{"type":"FeatureCollection","features":[{"type":"Feature","id":2786,"geometry":{"type":"Point","coordinates":[-79.94587999999999,32.85324000000003]},"properties":{"ESRI_OID":2786,"MSI_UID":2786,"ATU":7,"TITLE":"Charleston Harbor - Cooper River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384350,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:chahar:cooriv","WATERWAY_NAME":"Cooper River","CREATE_DATE":1729453709000,"MODIFIED_DATE":1751553462000,"BEGIN_DATE":1729382400000,"END_DATE":1800057599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n2786\n\nLocation:\n32.85289° N / 79.94381° W\n\nThe USCG will be demolishing, rebuilding and dredging pier november in approximate position 32-51-09.7N/079-56-48.8W. The contractor is getting ready to remove the old Pier N “mega dolphin” which represents the old pier’s closest point to the Clouter Creek Reach Channel. Operations are expected to commence January 15, 2024, with an estimated completion date of December 31, 2026. During the construction phase operations will be conducted Monday-Friday 7 a.m. to 7 p.m., during dredging operations may be continuous 24 hours a day/ 7 days a week. For further information contact: LCDR John Houk at John.R.Houk@uscg.mil.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.94588,32.85324]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.94588,"DECIMAL_LATITUDE":32.85324}},{"type":"Feature","id":2791,"geometry":{"type":"Point","coordinates":[-80.12004999999994,26.096100000000035]},"properties":{"ESRI_OID":2791,"MSI_UID":2791,"ATU":7,"TITLE":"Sector Miami, Submerged Land Act (SLA) - Port Everglades/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384314,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secmiaexcecozon:secmiatersea:secmiasublanact:poreve","WATERWAY_NAME":"Port Everglades","CREATE_DATE":1729455569000,"MODIFIED_DATE":1742579268000,"BEGIN_DATE":1729382400000,"END_DATE":1784332799000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2024-10-20 To: 2025-04-18\n\nLocation:\n26.0961° N / 80.12005° W\n\nOrion Marine Construction, Inc. will be starting construction of the above referenced project from the water side using two crane loaded deck\nbarges (999 crane on KS6019 barge and 1250 crane on KS6012 barge) along with four material barges (TBD1 through TBD4); all being serviced by\na full-time push boat (TBD5). Orion will be on-site on July 15, 2024, and will start working on all activities related to the replacement of\napproximately 2300 feet of bulkhead. Hours of operation will be from 7 a.m. to 7 p.m. The estimated completion date is July 1, 2026. All the barges\nare intended to be spudded around the Port Everglades Berths 1-3 and 1A-1D area (26-05-53.68N / 080-07-12.11W) while working on replacing\nthe bulkhead in those locations. Vessels will be monitoring VHF-FM channel 11.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-80.12005,26.0961]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-80.12004999999999,"DECIMAL_LATITUDE":26.0961}},{"type":"Feature","id":3214,"geometry":{"type":"Point","coordinates":[-72.08443999999997,41.444300000000055]},"properties":{"ESRI_OID":3214,"MSI_UID":3214,"ATU":1,"TITLE":"Thames River - Upper Thames River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116381564,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:seclonislsouexcecozon:seclonislsoutersea:seclonislsousublanact:bloislsouandgarbay:lonislsoueaspar:newlonhar:thariv:uppthariv","WATERWAY_NAME":"Upper Thames River","CREATE_DATE":1729711205000,"MODIFIED_DATE":1777379508000,"BEGIN_DATE":1729641600000,"END_DATE":1811807999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2024-10-23 To: 2027-05-31\n\nLocation:\n41-26-39.480N/072-05-03.984W\n\nCT-THAMES RIVER-GALES FERRY\nSterling Equipment, Inc, will be storing rental fleet barges in position 41-26-39.5N 072-05-04.0W, until May 2027. Equipment on scene will be Spud Barges, Hopper Barge and Deck Barges, which will be outside the navigable channel and will not impede navigation. Point of contact for this operation is Mark Quinn, who can be reached at (617) 984-0022 or at mark@sterlingequipment.com. Mariners are requested to give adequate clearance to the equipment and transit at their slowest safe speed to minimize wake.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-72.08444,41.4443]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-72.08444,"DECIMAL_LATITUDE":41.444300000000005}},{"type":"Feature","id":9392,"geometry":{"type":"Point","coordinates":[-79.94133999999997,32.85120000000006]},"properties":{"ESRI_OID":9392,"MSI_UID":9392,"ATU":7,"TITLE":"Charleston Harbor - Cooper River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384350,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:chahar:cooriv","WATERWAY_NAME":"Cooper River","CREATE_DATE":1737489690000,"MODIFIED_DATE":1767024439000,"BEGIN_DATE":1737417600000,"END_DATE":1794873599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n9392\n\nLocation:\n32.8512° N / 79.94134° W\n\nBeginning October 30, 2024, and ending October 30, 2026, Manson Construction will be performing construction of a new pier, bulkhead, and shoreline at the Romeo Pier NOAA Facility on the Cooper River. There will be a crane barge, material barges, and support vessels in the area assisting construction operations from 7am to 7pm, 7 days a week. These activities could pose a hazard to vessels traveling within 900 feet from the bulkhead to the center of the river. Mariners need to take caution when transiting the area. Please watch for dive flags, stay clear of the construction area, and away from any working equipment. Crews will be monitoring VHF-FM channel 61. For more information, please contact Robert Stalcup (904) 707-3896.\n\nBetween January 25, 2026, and February 20, 2026, the project will be taking delivery and installing a 360-foot x 60-foot floating dock secured by 16 x 100-foot driven piles, which will be accompanied by an additional heavy lift crane barge, additional pile driving barge, material barges and 3-5 tugboats. If Mariners approach/pass the project, they are urged to engage their slowest safe speed to minimize their wake.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.94134,32.8512]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.94134,"DECIMAL_LATITUDE":32.8512}},{"type":"Feature","id":18190,"geometry":{"type":"Point","coordinates":[-90.72991999999994,29.329620000000034]},"properties":{"ESRI_OID":18190,"MSI_UID":18190,"ATU":8,"TITLE":"Cat Island Pass - Houma Navigation Canal/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384874,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:catislpas:hounavcan","WATERWAY_NAME":"Houma Navigation Canal","CREATE_DATE":1746733069000,"MODIFIED_DATE":1776945332000,"BEGIN_DATE":1746662400000,"END_DATE":1843084799000,"DESCRIPTION":"Houma Navigation Canal - Bubba Dove Floodgate - Marine Construction --- From: 2025-05-08 To: 2028-05-26 --- Work for the Houma Navigation Canal Locks Complex project is underway.  Construction at the Bubba Dove Floodgates will take place 24-hours a day, 7-days a week.  Mariners are requested to transit the area at their slowest safe speed to minimize wake and proceed with caution.  VHF-FM Channels: 13 and 71","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.72992,29.32962]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.72991999999999,"DECIMAL_LATITUDE":29.32962}},{"type":"Feature","id":18236,"geometry":{"type":"Point","coordinates":[-76.06990999999994,38.573060000000055]},"properties":{"ESRI_OID":18236,"MSI_UID":18236,"ATU":5,"TITLE":"Choptank River - Cambridge Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382596,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:choriv:camcha","WATERWAY_NAME":"Cambridge Channel","CREATE_DATE":1746797045000,"MODIFIED_DATE":1749811970000,"BEGIN_DATE":1746748800000,"END_DATE":1780271999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-05-09 To: 2026-05-31\n\nLocation:\n38.57306° N / 76.06991° W\n\nMcLean Contracting will have a crane mounted barge mooring in Cambridge Creek starting May 21, 2025 to May 31, 2026, in approximate position 38-34-23.03N 076-04-11.678W removal/Installation of Stone Revetment, Removal of Timber Bulkhead, Concrete and Sheet Pile Driving Operations. Manned equipment will monitor VHF-FM 74, 16, & 13.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.06991,38.57306]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.06991,"DECIMAL_LATITUDE":38.57306}},{"type":"Feature","id":19760,"geometry":{"type":"Point","coordinates":[-80.16121999999996,33.448870000000056]},"properties":{"ESRI_OID":19760,"MSI_UID":19760,"ATU":7,"TITLE":"Sector Charleston, Territorial Sea - Sector Charleston, Submerged Land Act (SLA)/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384376,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact","WATERWAY_NAME":"Sector Charleston, Submerged Land Act (SLA)","CREATE_DATE":1748439553000,"MODIFIED_DATE":1748439845000,"BEGIN_DATE":1748390400000,"END_DATE":1800057599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n19760\n\nLocation:\n33.44887° N / 80.16122° W\n\nSouth Carolina Public Service Authority will be removing a land mass on the Santee River beginning May 1, 2025, until December 31, 2025, and May 1, 2026, until December 31, 2026. Hours of operation are Monday – Friday 6 a.m. to 6 p.m. Vessels will be monitoring VHF-FM channel 16.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-80.16122,33.44887]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-80.16122,"DECIMAL_LATITUDE":33.44887}},{"type":"Feature","id":20773,"geometry":{"type":"Point","coordinates":[-73.99840999999998,40.77075000000008]},"properties":{"ESRI_OID":20773,"MSI_UID":20773,"ATU":1,"TITLE":"Main Channel - Hudson River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382131,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:hudriv","WATERWAY_NAME":"Hudson River","CREATE_DATE":1749559317000,"MODIFIED_DATE":1749559395000,"BEGIN_DATE":1749513600000,"END_DATE":1813967999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-06-16 To: 2027-06-25\n\nLocation:\n40.77075° N / 73.99841° W\nReicon Group, LLC will be conducting pile repairs at Pier 94 from June 16, 2025, to June 25, 2027, Monday through Friday, between 7:00am to 3:30pm. Equipment on scene will be the RTC 330, monitoring VHF-FM CH 13 and will require a 24-hour notice for all vessel movement requests.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-73.99841,40.77075]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-73.99840999999999,"DECIMAL_LATITUDE":40.77075}},{"type":"Feature","id":28069,"geometry":{"type":"Point","coordinates":[-82.96734999999995,41.443940000000055]},"properties":{"ESRI_OID":28069,"MSI_UID":28069,"ATU":9,"TITLE":"WEST END OF LAKE ERIE - SanduskyBay/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116386047,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:sanbay","WATERWAY_NAME":"SanduskyBay","CREATE_DATE":1757941735000,"MODIFIED_DATE":1757941748000,"BEGIN_DATE":1757894400000,"END_DATE":1780358399000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2025-09-15 To: 2026-06-01\nMark Haynes Construction\nDredging and nature-based shoreline construction Sandusky Bay near Pickerel Creek Wildlife Area\nA channel will be dredged in a northwesterly direction starting from the location of the old Town of Bayshore in the Pickerel Creek Wildlife Area. Nature-based shoreline construction will occur within approximately 500 feet of the existing shoreline of the Pickerel Creek Wildlife Area.\n\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.96735,41.44394]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.96735,"DECIMAL_LATITUDE":41.44394}},{"type":"Feature","id":28996,"geometry":{"type":"Point","coordinates":[-79.61499999999995,32.91317000000004]},"properties":{"ESRI_OID":28996,"MSI_UID":28996,"ATU":7,"TITLE":"Sector Charleston, Territorial Sea - Sector Charleston, Submerged Land Act (SLA)/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116384376,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact","WATERWAY_NAME":"Sector Charleston, Submerged Land Act (SLA)","CREATE_DATE":1758728818000,"MODIFIED_DATE":1758728837000,"BEGIN_DATE":1758672000000,"END_DATE":1788307199000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\nFrom: 2025-09-24 \n28996\n\nLocation:\n32.91317° N / 79.615° W\n\nDredging for the Bulls Island Government Landing Improvements project is expected to begin on or about October 15, 2025, with an estimated completion date of July 7, 2026. Mechanical dredging of mooring basin with barge-mounted excavator, transport of ~1,400 CY to upland DMPF, and associated dock and ramp replacement. Hours of operation are 5 a.m. to 7 p.m. Vessels will be monitoring VHF-FM channel 16.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.615,32.91317]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.61500000000001,"DECIMAL_LATITUDE":32.91317}},{"type":"Feature","id":29403,"geometry":{"type":"Point","coordinates":[-79.24839999999995,33.43190000000004]},"properties":{"ESRI_OID":29403,"MSI_UID":29403,"ATU":7,"TITLE":"Winyah Bay Channel - Little River Winyah Bay/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116384275,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon:secchatersea:secchasublanact:winbaycha:litrivwinbay","WATERWAY_NAME":"Little River Winyah Bay","CREATE_DATE":1759249017000,"MODIFIED_DATE":1759249445000,"BEGIN_DATE":1759190400000,"END_DATE":1782777599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\nFrom: 2025-09-30\n29403\n\nLocation:\n33.4319° N / 79.2484° W\n\nWedgefield Plantation Association (WPA), is notifying mariners regarding the upcoming dredging operations within the Wedgefield Plantation Canals in Georgetown County, South Carolina. The project is scheduled to commence in October 2025, with an estimated completion date of January 31, 2026. The project consists of the excavation of 48,752 cubic yards of material from 14.07 acres within the Wedgefield Plantation canals. The excavated material will be placed within the existing 12-acre on-site upland-confined disposal facility. Dredging activities are not authorized between February 1st to April 1st to limit impacts to essential fish habitat. hours of operation will be from 7:00 AM to 7:00 PM, five days a week. Equipment being used is a 10-inch hydraulic cutterhead dredge, suction pipeline and dredge pump. Vessels will be monitoring VHF-FM channel 16.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-79.2484,33.4319]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-79.2484,"DECIMAL_LATITUDE":33.4319}},{"type":"Feature","id":29700,"geometry":{"type":"Point","coordinates":[-76.43508999999995,39.20204000000007]},"properties":{"ESRI_OID":29700,"MSI_UID":29700,"ATU":5,"TITLE":"Sandy Point To Susquehanna River (Chart 12273) - Shallow Creek/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116382556,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:cracha:shacre","WATERWAY_NAME":"Shallow Creek","CREATE_DATE":1759756364000,"MODIFIED_DATE":1764854339000,"BEGIN_DATE":1759708800000,"END_DATE":1777593599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2025-10-06 To: 2026-04-30\n\nLocation:\n39.20204° N / 76.43509° W\n\nEdwin A. and John O. Crandell, Inc. will be conduction mechanical dredging in the Shallow Creek navigation channel in Baltimore, MD.  Mechanical dredging will occur along the entire length of the channel starting around the entrance marker RDM 2 and continue to the end of the channel.   Mobilization will start the 3rd week in October 2025.  Crandell will be using Tug “Big C Too”, Crane Barge Digger 1, Excavator Barge and numerous other support barges and equipment. Tug and barge operations will be traveling in and out of the Shallow Creek Channel in Baltimore.  Mariners are urged to use caution when transiting the area and reduce to a no-wake speed in the vicinity of the equipment for worker safety.  Barges will be anchored in the areas. Edwin A. and John O. Crandell, Inc can be contacted via phone at the office 410-867-0200 or on cell 410-991-2376.  When working we can be reached on Channel 8. Project is expected to be completed, April 30, 2026.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.43509,39.20204]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.43509,"DECIMAL_LATITUDE":39.20204}},{"type":"Feature","id":29959,"geometry":{"type":"Point","coordinates":[-87.88573999999994,43.00692000000004]},"properties":{"ESRI_OID":29959,"MSI_UID":29959,"ATU":9,"TITLE":"LAKE MICHIGAN - Milwaukee/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116386234,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:lakhur:lakmic:mil","WATERWAY_NAME":"Milwaukee","CREATE_DATE":1759941650000,"MODIFIED_DATE":1759941664000,"BEGIN_DATE":1759881600000,"END_DATE":1782863999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-10-08 To: 2026-06-30\n\nLocation:\n43-00-24.912N/087-53-08.664W\nSouth shore cruise dock project being constructed for Port Milwaukee near Lake Ferry Express. The project includes installing a new dock wall and walkway platforms for future cruise ships to dock. Mariners should be aware of construction barges and permanent materials being installed that will be sticking above the water 5-ft +/-.\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-87.88574,43.00692]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-87.88574,"DECIMAL_LATITUDE":43.00692}},{"type":"Feature","id":30574,"geometry":{"type":"Point","coordinates":[-74.03364999999997,40.70697000000007]},"properties":{"ESRI_OID":30574,"MSI_UID":30574,"ATU":1,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382131,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:hudriv","WATERWAY_NAME":"Hudson River","CREATE_DATE":1760956926000,"MODIFIED_DATE":1760957227000,"BEGIN_DATE":1760918400000,"END_DATE":1793491199000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-11-03 To: 2026-10-31\n\nLocation:\n40-42-06.984N/074-02-02.364W\n\nPKF-Mark III, Inc will be conducting marine construction operations on the Hudson River, at Liberty State Park, in position 40-42-7.000N, 074-02-02.370W, from November 3, 2025, to October 31, 2026, Monday through Friday from 6:00am to 5:00pm. Equipment on scene will be multiple floating barges, crane barges, and material barges.\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-74.03365,40.70697]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-74.03365,"DECIMAL_LATITUDE":40.70697}},{"type":"Feature","id":30675,"geometry":{"type":"Point","coordinates":[-93.32877999999994,29.797010000000057]},"properties":{"ESRI_OID":30675,"MSI_UID":30675,"ATU":8,"TITLE":"General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116384877,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:calcha","WATERWAY_NAME":"Calcasieu Channel","CREATE_DATE":1761052919000,"MODIFIED_DATE":1761053146000,"BEGIN_DATE":1761004800000,"END_DATE":1803686399000,"DESCRIPTION":"Calcasieu Channel - Calcasieu Loop - Dredge Operation Booster Location --- From: 2025-10-21 To: 2027-02-25 --- The Double Barrel Booster 2109 will be staged in the Calcasieu Loop for the duration of the Monkey Island Dredge Project, in approximate position 29-47-49.2N 093-19-43.6W.  Mariners are urged to transit the area at their slowest safe speed to minimize wake.  VHF-FM Channel: 13, POC: (630) 207-5196 ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-93.32878,29.79701]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-93.32878,"DECIMAL_LATITUDE":29.79701}},{"type":"Feature","id":30948,"geometry":{"type":"Point","coordinates":[-90.19108999999997,29.105390000000057]},"properties":{"ESRI_OID":30948,"MSI_UID":30948,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Belle Pass/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384948,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:belpas","WATERWAY_NAME":"Belle Pass","CREATE_DATE":1761330214000,"MODIFIED_DATE":1773940574000,"BEGIN_DATE":1761264000000,"END_DATE":1780444799000,"DESCRIPTION":"Pass Fourchon - Platform Construction --- From: 2025-11-03 To: 2026-06-01 --- Shell Pipeline Company will be constructing a new platform in Pass Fourchon, near approximate position 29-06-19.13N 090-11-28.76W.  On-scene vessels will include the Spud Barge CM 14, the Living Quarters Barge CM 9, the Spud Barge IBR 442, and the Deck Barges CM 6 and TMB 120.  Mariners are urged to transit the area at their slowest safe speed and proceed with caution.  VHF-FM Channel: 16","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.19109,29.10539]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.19109,"DECIMAL_LATITUDE":29.10539}},{"type":"Feature","id":31194,"geometry":{"type":"Point","coordinates":[-121.52245999999997,45.72842000000003]},"properties":{"ESRI_OID":31194,"MSI_UID":31194,"ATU":13,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116385628,"MRN":"urn:mrn:iala:wwy:us:navXII:dis13:seccolrivexcecozon:seccolrivtersea:seccolrivsublanact:colriv:bonpoo","WATERWAY_NAME":"Bonneville Pool","CREATE_DATE":1761755076000,"MODIFIED_DATE":1761755094000,"BEGIN_DATE":1761696000000,"END_DATE":1798761599000,"DESCRIPTION":"Advanced American Construction will be constructing a new railroad bridge on the Washington side of the Columbia River near RM 168.2. at the confluence of the White Salmon River & Columbia River. Work includes heavy marine assets, critical lifts, and pile driving operations. The Derrick Barge AAC Millennium will be on station from 10 Nov 25 through 31 Dec 26. Working days are planned for Monday through Friday, 0700 to 1700. Onsite equipment will monitor VHF-FM channels 13 & 16 during working hours. Mariners are requested to reduce speed and avoid the work area. During non-working hours, the derrick barge will remain on station with steady white lights on all four corners. Please call Kristian Hellberg at (703) 409-1614 or email at kristianh@callaac.com for more information.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-121.52246,45.72842]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-121.52246,"DECIMAL_LATITUDE":45.72842}},{"type":"Feature","id":31521,"geometry":{"type":"Point","coordinates":[-77.03190999999998,38.88219000000004]},"properties":{"ESRI_OID":31521,"MSI_UID":31521,"ATU":5,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116383087,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:potriv:upppotriv:alecha:geocha","WATERWAY_NAME":"Georgetown Channel","CREATE_DATE":1762269204000,"MODIFIED_DATE":1762270295000,"BEGIN_DATE":1762214400000,"END_DATE":1893542399000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-11-04 To: 2030-01-01\n\nLocation:\n38-52-55.884N/077-01-54.876W\n\nNorth Skanska Flatiron Joint Venture will be installing mooring anchors and buoys for the proposed Long Bridge and Pedestrian Bridge construction. Work will include driving 36” steel pile and building a trestle structure across the Washington Channel to a point approx. 200 LF from the existing bridge. The trestle will support the widening of the existing CSX Long Bridge Rail bridge. Mooring anchors will be located approximately 130 LF from the southeast shore of the Washington Channel extending between the CSX Long Bridge and the I-395 Bridge.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-77.03191,38.88219]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-77.03191,"DECIMAL_LATITUDE":38.88219}},{"type":"Feature","id":31585,"geometry":{"type":"Point","coordinates":[-71.21337999999997,41.638990000000035]},"properties":{"ESRI_OID":31585,"MSI_UID":31585,"ATU":1,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382355,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon:secsounewengtersea:secsounewengsublanact:sakriv","WATERWAY_NAME":"Sakonnet River","CREATE_DATE":1762362490000,"MODIFIED_DATE":1762362499000,"BEGIN_DATE":1763337600000,"END_DATE":1778975999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-12-01 To: 2026-05-16\n\nLocation:\n41-38-20.364N/071-12-48.168W\n\nI B Abel Inc. will be conducting marine construction operations on the Sakonnet River, north of Fall River Expy (RT 138), in position 41-38-20.38N, 071-12-48.19W, from December 1, 2025, to January 30, 2026, between 8:00am to 4:00pm. Equipment on scene will be  aerial lifts, bucket trucks, cranes, and a helicopter.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-71.21338,41.63899]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-71.21338,"DECIMAL_LATITUDE":41.63899}},{"type":"Feature","id":31612,"geometry":{"type":"Point","coordinates":[-71.02989999999994,42.34333000000004]},"properties":{"ESRI_OID":31612,"MSI_UID":31612,"ATU":1,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100119363597,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secbosexcecozon:secbostersea:secbossublanact:bossoucha:bosnorcha:preroa","WATERWAY_NAME":"President Roads","CREATE_DATE":1762373681000,"MODIFIED_DATE":1762373688000,"BEGIN_DATE":1762300800000,"END_DATE":1777679999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-11-05 To: 2026-05-01\n\nLocation:\n42-20-35.988N/071-01-47.640W\n\nCoastal Marine Construction LLC will be conducting pile driving, demolition, and reconstruction operations at the Flynn Cruise Port, Boston Harbor, in position 42-20-35.99N, 071-01-47.67W, from November 11, 2025, to April 2026, Monday through Saturday, between 6:00am to 5:30pm. Equipment on scene will be a crane barge, material barges, push boats, and work skiffs, monitoring VHF-FM CH 16 and are requesting a 45-minute notice for any vessel movement requests.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-71.0299,42.34333]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-71.0299,"DECIMAL_LATITUDE":42.343329999999995}},{"type":"Feature","id":31712,"geometry":{"type":"Point","coordinates":[-90.98974999999996,30.109210000000076]},"properties":{"ESRI_OID":31712,"MSI_UID":31712,"ATU":8,"TITLE":"New Orleans Harbor - New Orleans To Baton Rouge/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100119138784,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou","WATERWAY_NAME":"New Orleans To Baton Rouge","CREATE_DATE":1762542977000,"MODIFIED_DATE":1770226828000,"BEGIN_DATE":1762473600000,"END_DATE":1797292799000,"DESCRIPTION":"Mississippi River - Pump Station Construction --- From: 2025-11-28 To: 2026-12-13 --- Pump station construction will be conducted along the Mississippi River, Mile 175.5, RDB, AHOP, Smoke Bend Crossing.  Work will be conducted from 6:30 a.m. to 5:00 p.m., 6-days a week.  Operations will include pile driving, excavation, and pipe installation.  On-scene vessels will include a crane barge, a material barge, a towing vessel, and a crew boat.  Mariners are requested to transit the area at a slow bell so as not to interfere with ongoing construction and proceed with caution.  VHF-FM Channel: 67 ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.98975,30.10921]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.98975,"DECIMAL_LATITUDE":30.109209999999997}},{"type":"Feature","id":31822,"geometry":{"type":"Point","coordinates":[-72.97747999999996,40.74816000000004]},"properties":{"ESRI_OID":31822,"MSI_UID":31822,"ATU":1,"TITLE":"General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116382224,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:seclonislsouexcecozon:seclonislsoutersea:seclonislsousublanact:firislinl:farshocha:wescha:eascha:gresoubay","WATERWAY_NAME":"Great South Bay","CREATE_DATE":1762958163000,"MODIFIED_DATE":1762958170000,"BEGIN_DATE":1762905600000,"END_DATE":1778543999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2025-11-30 To: 2026-05-11\n\nLocation:\n40-44-53.376N/072-58-38.928W\n\nDredge America Inc. will be conducting dredging operations in Abets Creek, located in Great South Bay, starting in position 40-44-54.496N, 072-58-38.386W, ending in position 40-44-48.755N, 072-58-33.657W, from November 30, 2025, to December 28, 2025, 24 hours a day, seven days a week. Equipment on scene will be the Dredge Victory, unnamed skiff, unnamed tugs, monitoring VHF-FM CH 16 and 65. Contact on site: VP of Operations Tommy McBride can be reached 24 hours per day, 417-664-1174. Additional Comments: Mariners are advised to use caution and transit at slow speed to minimize wake when transiting the area. The pipeline will be marked with spar buoys and yellow flashing lights.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-72.97748,40.74816]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-72.97748,"DECIMAL_LATITUDE":40.74816}},{"type":"Feature","id":31934,"geometry":{"type":"Point","coordinates":[-76.05122999999998,37.02724000000006]},"properties":{"ESRI_OID":31934,"MSI_UID":31934,"ATU":5,"TITLE":"General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100117224627,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha","WATERWAY_NAME":"Chesapeake Channel","CREATE_DATE":1763047013000,"MODIFIED_DATE":1763047041000,"BEGIN_DATE":1762992000000,"END_DATE":1780271999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2025-11-13 To: 2026-05-31\n\nLocation:\n37-01-38.064N/076-03-04.428W\n\nGreat Lakes Dredge and Dock Company will begin Maintenance Dredging in Chesapeake Channel between Chesapeake Channel Lighted Buoys 3 and 4, (LLNR 7045 and 7050) up to approximately Chesapeake Channel Lighted Buoys 13 and 14 (LLNR 7105 and 7110). Operations is expected to start late November to the end of March 2026. Dredge Liberty Island and Crew Boat Ohio River are expected to be onscene 24 hours a day, 7 days a week and can be contacted on VHF CH 13 and 16. A slow bell is requested when passing vessels. MSI # 31934.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.05123,37.02724]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.05122999999999,"DECIMAL_LATITUDE":37.02724}},{"type":"Feature","id":32066,"geometry":{"type":"Point","coordinates":[-71.27498999999995,41.66256000000004]},"properties":{"ESRI_OID":32066,"MSI_UID":32066,"ATU":1,"TITLE":"Providence River Approach - Bristol Harbor/General/Marine Construction (Excluding Bridges)/Survey Operations","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Survey Operations","WTRW_UID":100116382351,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon:secsounewengtersea:secsounewengsublanact:easapp:easpas:prorivapp:brihar","WATERWAY_NAME":"Bristol Harbor","CREATE_DATE":1763139342000,"MODIFIED_DATE":1763379082000,"BEGIN_DATE":1763078400000,"END_DATE":1798761599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Survey Operations\n\nFrom: 2025-11-14 To: 2026-11-14\n\nLocation:\n41-39-45.216N/071-16-29.964W\n\nJaia Robotics will be conducting autonomous underwater vehicle testing, in Narragansett Bay, Monday through Friday, between 8:00am to 7:00pm. The autonomous, underwater, vehicles are around 36 inches in length, and the vehicles come in red/yellow configurations.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-71.27499,41.66256]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-71.27499,"DECIMAL_LATITUDE":41.66256}},{"type":"Feature","id":32398,"geometry":{"type":"Point","coordinates":[-70.47552999999994,43.35823000000005]},"properties":{"ESRI_OID":32398,"MSI_UID":32398,"ATU":1,"TITLE":"General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116381782,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnornewengexcecozon:secnornewengtersea:secnornewengsublanact:ken:kenriv","WATERWAY_NAME":"Kennebunk River","CREATE_DATE":1763558647000,"MODIFIED_DATE":1763558654000,"BEGIN_DATE":1763510400000,"END_DATE":1779148799000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2025-12-01 To: 2026-05-18\n\nLocation:\n43-21-29.628N/070-28-31.908W\n\nProck Marine will be conducting dredging operations at 4 marinas (Arundel Yacht Club, Yachtsman Marina,\nKennebunkport Marina, and Kennebunk River Club) with disposal at the Isle of Shoals North disposal site, from December 1, 2025, to March 31, 2026, seven days a week, 24 hours a day. Equipment on scene will be a Clamshell dredge, dump scows, tugboat, crew boat, monitoring VHF-FM CH 13.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-70.47553,43.35823]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-70.47552999999999,"DECIMAL_LATITUDE":43.35823}},{"type":"Feature","id":32591,"geometry":{"type":"Point","coordinates":[-76.41586999999998,36.971100000000035]},"properties":{"ESRI_OID":32591,"MSI_UID":32591,"ATU":5,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382762,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:jamriv:newnew","WATERWAY_NAME":"Newport News","CREATE_DATE":1763744709000,"MODIFIED_DATE":1763744732000,"BEGIN_DATE":1763683200000,"END_DATE":1806537599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-11-21 To: 2027-03-31\n\nLocation:\n36-58-15.960N/076-24-57.132W\nCrofton Construction Services, Incorporated (CCSI) will be conducting pier demolition and reconstruction in the following location: 36°58'16.63\"N 76°24'57.22\"W (Newport News Creek). Beginning December 1, 2025, and continuing until March 31, 2027, approximately 455 days or until complete from 7:00 AM – 3:30 PM, five days a week. Operations will include crane barge operations, material barges, tug boats, work floats, and smaller crafts consistent with general marine construction. Barge(s) & vessel(s) will be moored, on site with employees working over the side on small floats or crew boats. The equipment will be confined to the barges with crew boats working in the vicinity. The entire channel will not be closed, during any stage of dredging, or will not restrict marine traffic. Except for the last 200’ at the end of the channel where the construction will be taking place. Vessels are requested to proceed in this area with caution and no wake within 500' of the above coordinates. Crews will be monitoring the following radio frequencies: VHF channels 13 & 16. MSI # 32591.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.41587,36.9711]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.41587,"DECIMAL_LATITUDE":36.9711}},{"type":"Feature","id":32785,"geometry":{"type":"Point","coordinates":[-87.44929999999994,33.252860000000055]},"properties":{"ESRI_OID":32785,"MSI_UID":32785,"ATU":8,"TITLE":"Black Warrior River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116385078,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:mobbay:mobbar:mobcha:mobriv:tomriv:blawarriv:mm224mm225","WATERWAY_NAME":"Black Warrior River","CREATE_DATE":1764086214000,"MODIFIED_DATE":1777032836000,"BEGIN_DATE":1764028800000,"END_DATE":1788307199000,"DESCRIPTION":"Black Warrior River, Mile 347.0 - Modified Lock Schedule --- From: 2026-01-12 To: 2026-09-01 --- The Holt Lock will be periodically closed and operate under a modified schedule to perform repairs on a damaged lock monolith.  The modified lock operation schedule will be as follows:\n• Closed to navigation, from 6:00 a.m., Mondays, to 6:00 a.m., Saturdays.\n• Open to navigation, from 6:00 a.m., Saturdays, to 6:00 a.m., Mondays.\nThis operation schedule is expected to last until September 2026.  Waterway user calls will be held throughout the repair process to update stakeholders.  For further information regarding this work, mariners can contact Holt Lock at (251) 276-3293.  For additional details regarding the waterway users calls, mariners can access USACE Navigation Bulletins at: https://ndc.ops.usace.army.mil/ords/f?p=107:1","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-87.4493,33.25286]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-87.44930000000001,"DECIMAL_LATITUDE":33.25286}},{"type":"Feature","id":33331,"geometry":{"type":"Point","coordinates":[-76.52527999999995,39.21805000000006]},"properties":{"ESRI_OID":33331,"MSI_UID":33331,"ATU":5,"TITLE":"Patapsco River - Fort Mchenry Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100119397247,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:cracha:patriv:formchcha","WATERWAY_NAME":"Fort Mchenry Channel","CREATE_DATE":1764943467000,"MODIFIED_DATE":1765201986000,"BEGIN_DATE":1764892800000,"END_DATE":1798761599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-12-05 To: 2026-12-31\n\nLocation:\n39°12’53”N, 076°31’46”W  and   39°13’05”N, 076°31’31”W\n\nFrancis Scott Key Bridge | On or around Monday December 15, Kiewit will begin construction of a temporary access Trestle, which will be used to support the replacement of the Francis Scott Key Bridge.  Vessels on scene shall include Weeks 575 Derrick barge and other material barges.  Additional construction activities will be occurring with cranes working overtop the trestle and barges moored alongside.  All cranes & barges will be positioned along the alignment of the new bridge up to the navigation channel but will not impede any vessel traffic within the channel.  The operation is scheduled for 12 hours a day, 6 days a week, and the barges shall remain on position 24-7.  This work is scheduled to be completed before 12/31/26. The four corners of the barges will be marked with steady white lights with visibility up to 2 miles.  The elevation of the trestle shall be +12ft above Mean Sea Level.  During and after construction, the trestle shall be marked and lit.  Boaters shall use extreme caution when transiting this area outside of the navigation channel.\nKiewit is requesting all vessels in the area to use their slowest safe working speed when navigating the area.\nThe barges will not be maneuverable when moored and will require a tugboat to shift the barges.\nContractor’s vessels will monitor VHF Channels 16 and 13. The Kiewit Infrastructure Co., on-site construction leads may be contacted at (201) 832-5004, (925) 324-6503, or (908) 463-9049. MSI # 33331.\n\n\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.52528,39.21805]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.52528,"DECIMAL_LATITUDE":39.21805}},{"type":"Feature","id":33428,"geometry":{"type":"Point","coordinates":[-76.52527999999995,39.21805000000006]},"properties":{"ESRI_OID":33428,"MSI_UID":33428,"ATU":5,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100119397247,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:cracha:patriv:formchcha","WATERWAY_NAME":"Fort Mchenry Channel","CREATE_DATE":1765202205000,"MODIFIED_DATE":1765202237000,"BEGIN_DATE":1764892800000,"END_DATE":1798761599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-12-05 To: 2026-12-31\n\nLocation:\n39°12’53”N, 076°31’46”W  and   39°13’05”N, 076°31’31”W\n\nFrancis Scott Key Bridge | On or around Monday December 15, Kiewit will begin construction of a temporary access Trestle, which will be used to support the replacement of the Francis Scott Key Bridge.  Vessels on scene shall include Weeks 575 Derrick barge and other material barges.  Additional construction activities will be occurring with cranes working overtop the trestle and barges moored alongside.  All cranes & barges will be positioned along the alignment of the new bridge up to the navigation channel but will not impede any vessel traffic within the channel.  The operation is scheduled for 12 hours a day, 6 days a week, and the barges shall remain on position 24-7.  This work is scheduled to be completed before 12/31/26. The four corners of the barges will be marked with steady white lights with visibility up to 2 miles.  The elevation of the trestle shall be +12ft above Mean Sea Level.  During and after construction, the trestle shall be marked and lit.  Boaters shall use extreme caution when transiting this area outside of the navigation channel.\nKiewit is requesting all vessels in the area to use their slowest safe working speed when navigating the area.\nThe barges will not be maneuverable when moored and will require a tugboat to shift the barges.\nContractor’s vessels will monitor VHF Channels 16 and 13. The Kiewit Infrastructure Co., on-site construction leads may be contacted at (201) 832-5004, (925) 324-6503, or (908) 463-9049. MSI # 33428.\n\n\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.52528,39.21805]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.52528,"DECIMAL_LATITUDE":39.21805}},{"type":"Feature","id":33651,"geometry":{"type":"Point","coordinates":[-71.29704999999996,41.56841000000003]},"properties":{"ESRI_OID":33651,"MSI_UID":33651,"ATU":1,"TITLE":"General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100117255477,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon:secsounewengtersea:secsounewengsublanact:easapp:easpas","WATERWAY_NAME":"East Passage","CREATE_DATE":1765391583000,"MODIFIED_DATE":1765391593000,"BEGIN_DATE":1765324800000,"END_DATE":1782863999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2025-12-10 To: 2026-06-30\n\nLocation:\n41-34-06.276N/071-17-49.380W\n\nSevenson Environmental Services will be conducting dredging operations in East Passage Rhode Island Sound to Narragansett Bay adjacent to Carr Point, in position 41-34-06.3N, 071-17-49.4W, until June 2026, Monday through Friday, between 7:00am to 6:00pm. Equipment on scene will be two Dredge Barges with three Hoppers scows and boats for transit.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-71.29705,41.56841]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-71.29705,"DECIMAL_LATITUDE":41.56841}},{"type":"Feature","id":33700,"geometry":{"type":"Point","coordinates":[-76.52803999999998,39.01715000000007]},"properties":{"ESRI_OID":33700,"MSI_UID":33700,"ATU":5,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382469,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:annharcha:sevriv","WATERWAY_NAME":"Severn River","CREATE_DATE":1765459072000,"MODIFIED_DATE":1765460883000,"BEGIN_DATE":1765411200000,"END_DATE":1782950399000,"DESCRIPTION":"\n\nFrom: 2025-12-11 To: 2026-07-01\n\nLocation:\n39-01-01.740N/076-31-40.944W\n\nJohn Norris and Sons Marine Construction will begin a demolition and dock renovation project on Epping Forest Marina on the Severn River.  Construction equipment will include excavators and barges on scene. Project will run from January 3, 2026 to July 1, 2026. MSI # 33700.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.52804,39.01715]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.52803999999999,"DECIMAL_LATITUDE":39.01715}},{"type":"Feature","id":33760,"geometry":{"type":"Point","coordinates":[-74.12326999999993,40.71508000000006]},"properties":{"ESRI_OID":33760,"MSI_UID":33760,"ATU":1,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382129,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:kilvankul:newbay:hacriv:pasriv","WATERWAY_NAME":"Passaic River","CREATE_DATE":1765541116000,"MODIFIED_DATE":1765541123000,"BEGIN_DATE":1765497600000,"END_DATE":1777593599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-12-12 To: 2026-04-30\n\nLocation:\n40-42-54.288N/074-07-23.772W\n\nReicon Group, LLC will be installing a new pier at Kearny Point Reach, Passaic Rier, in position 40-42-54.31N, 074-7-23.79W, from December 15, 2025, to April 30, 2026. Equipment on scene will be the CB Bergen Crane barge, monitoring VHF-FM CH 13.\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-74.12327,40.71508]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-74.12326999999999,"DECIMAL_LATITUDE":40.71508}},{"type":"Feature","id":34056,"geometry":{"type":"Point","coordinates":[-88.82525999999996,30.425070000000062]},"properties":{"ESRI_OID":34056,"MSI_UID":34056,"ATU":8,"TITLE":"General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116385037,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:bileascha:bacbayofbil","WATERWAY_NAME":"Back Bay Of Biloxi","CREATE_DATE":1765984148000,"MODIFIED_DATE":1765998507000,"BEGIN_DATE":1765929600000,"END_DATE":1778975999000,"DESCRIPTION":"Old Fort Bayou - David Davis Bayou - Dredge Operation --- From: 2026-01-15 To: 2026-05-15 --- Maintenance dredging and channel clearing will be conducted in David Davis Bayou and Old Fort Bayou to remove debris and sediment in the area from previous storm events.  Work will be conducted Monday through Friday, from 7:00 a.m. to 5:00 p.m.  On-scene vessels will include the T/V CENTER LINE and the Barge CLM-3.  The floating plant will obstruct approximately 20 ft of the channel.  Mariners are requested to coordinate passing arrangements in advance and transit the area with caution.  VHF-FM Channels: 13 and 16,  POC: (228) 990-6247","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-88.82526,30.42507]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-88.82526,"DECIMAL_LATITUDE":30.425069999999998}},{"type":"Feature","id":34372,"geometry":{"type":"Point","coordinates":[-93.33110999999997,30.085270000000037]},"properties":{"ESRI_OID":34372,"MSI_UID":34372,"ATU":8,"TITLE":"New Orleans Port Arthur/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100118285173,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:sechouexcecozon:secneworltersea:sechoutersea:secneworlsublanact:sechousublanact:neworl","WATERWAY_NAME":"New Orleans Port Arthur","CREATE_DATE":1767026099000,"MODIFIED_DATE":1774539656000,"BEGIN_DATE":1766966400000,"END_DATE":1778975999000,"DESCRIPTION":"GIWW - Offloading Operation --- From: 2026-01-15 To: 2026-05-15 --- Material offloading will be conducted along the GIWW near approximate Mile 242.0, WHL.  Hopper barges and tugboats will be in the area and operating 24-hours a day, 7-days a week.  Mariners should transit the area at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made.  POC: (225) 347-4339 or (337) 519-2759","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-93.33111,30.08527]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-93.33111,"DECIMAL_LATITUDE":30.085269999999998}},{"type":"Feature","id":34655,"geometry":{"type":"Point","coordinates":[-74.01587999999998,40.70133000000004]},"properties":{"ESRI_OID":34655,"MSI_UID":34655,"ATU":1,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382291,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:easrivmaicha","WATERWAY_NAME":"East River Main Channel","CREATE_DATE":1767712083000,"MODIFIED_DATE":1767712100000,"BEGIN_DATE":1767657600000,"END_DATE":1783295999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-01-06 To: 2026-07-05\n\nLocation:\n40-42-04.788N/074-00-57.168W\n\nWalsh Construction Co. LLC will be conducting Demolition of existing wharf and construction of new wharf in Battery Park , in position 40-42-04.81N, 074-00-57.17W, from February 11, 2026, to February 20, 2027, between 6:00am to 11:00pm. Equipment on scene will be two equipment deck barges, supported by up to 5 material barges, 24’ push boat and three work skiffs, monitoring VHF-FM CH 16. (4ea) 40’ sectionals and (3ea) 20’ sectionals. Three (3) “NO WAKE” 28 inch regulatory buoys with fixed white solar lights and 300lb moorings will be installed approximately 500’ off the face of the East Coast Memorial and Coast Guard Recruiting Center. These buoys will be removed at the completion of the project.      ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-74.01588,40.70133]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-74.01588,"DECIMAL_LATITUDE":40.70133}},{"type":"Feature","id":34884,"geometry":{"type":"Point","coordinates":[-93.32320999999996,29.792650000000037]},"properties":{"ESRI_OID":34884,"MSI_UID":34884,"ATU":8,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384877,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:calcha","WATERWAY_NAME":"Calcasieu Channel","CREATE_DATE":1767967910000,"MODIFIED_DATE":1767967991000,"BEGIN_DATE":1767916800000,"END_DATE":1785628799000,"DESCRIPTION":"Calcasieu Channel - Calcasieu Loop - Dock Demolition and Construction --- From: 2026-01-12 To: 2026-08-01 --- Dock demolition and construction will be conducted in the Calcasieu Loop near approximate position 29-47-33N 093-19-24W.  Work will take place from 6:00 a.m. to 6:00 p.m., on a 12-days on and 2-days off rotation.  On-scene vessels will include the T/V MUDD TUG 15, the Crane Barge RG415, and the Deck Barges MC-1 and MC-4.  Mariners are urged to transit the area at their slowest safe speed to minimize wake and proceed with caution.  VHF-FM Channel: 13, POC: (337) 391-9296","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-93.32321,29.79265]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-93.32320999999999,"DECIMAL_LATITUDE":29.79265}},{"type":"Feature","id":34892,"geometry":{"type":"Point","coordinates":[-87.98683999999997,31.257340000000056]},"properties":{"ESRI_OID":34892,"MSI_UID":34892,"ATU":8,"TITLE":"Tombigbee River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116385081,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:mobbay:mobbar:mobcha:mobriv:tomriv:mm89mm90","WATERWAY_NAME":"Tombigbee River","CREATE_DATE":1767971998000,"MODIFIED_DATE":1777295065000,"BEGIN_DATE":1767571200000,"END_DATE":1783987199000,"DESCRIPTION":"Tombigbee River - Marine Construction --- From: 2026-04-13 To: 2026-07-12 --- Marine construction will be conducted along the Tombigbee River, in the vicinity of Mile 60.0.  Work will consist of pile driving, underwater welding, and diffuser installation.  Operations will be conducted from 6:00 a.m. to 6:00 p.m., 7-days a week.  On-scene vessels will include a crane barge and a material barge.  The channel may be obstructed or partially obstructed during certain stages of the operation.  Mariners should coordinate passing arrangements 3-hours in advance by hailing G.A. West on VHF-FM Channel 13 and transit the area with caution.  Weekly waterway user coordination calls will be hosted by the USACE on Mondays at 2:00 p.m. (CDT) and can be joined by calling: (601) 262-2433, Conference ID: 115 930 934\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-87.98684,31.25734]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-87.98684,"DECIMAL_LATITUDE":31.25734}},{"type":"Feature","id":35137,"geometry":{"type":"Point","coordinates":[-76.30697999999995,36.803390000000036]},"properties":{"ESRI_OID":35137,"MSI_UID":35137,"ATU":5,"TITLE":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382754,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:jamriv:eliriv:elirivsoubra","WATERWAY_NAME":"Elizabeth River Southern Branch","CREATE_DATE":1768332288000,"MODIFIED_DATE":1768332314000,"BEGIN_DATE":1768262400000,"END_DATE":1799884799000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)\n\nFrom: 2026-01-13 To: 2027-01-13\n\nLocation:\n36-48-12.204N/076-18-25.128W\n\nSeaward Marine will conduct bridge replacement activities on the RTE 239 Bridge Spanning Paradise Creek. Project will run from March 15, 2026 to April 15, 2027. Multiple barges will be moored in the vicinity. Caution Buoys and turbidity curtains will be in the area. All manned vessels will monitor VHF 16, 13, and 03. MSI # 35137.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.30698,36.80339]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.30698,"DECIMAL_LATITUDE":36.80339}},{"type":"Feature","id":35314,"geometry":{"type":"Point","coordinates":[-90.02706999999998,29.965280000000064]},"properties":{"ESRI_OID":35314,"MSI_UID":35314,"ATU":8,"TITLE":"Head Of Passes To New Orleans - Inner Harbor Navigation Canal/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116385063,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:innharnavcan","WATERWAY_NAME":"Inner Harbor Navigation Canal","CREATE_DATE":1768569606000,"MODIFIED_DATE":1775756460000,"BEGIN_DATE":1767916800000,"END_DATE":1777766399000,"DESCRIPTION":" Inner Harbor Navigation Canal - GIWW - Lock Closure --- From: 2026-04-13 To: 2026-05-01 --- The Inner Harbor Navigation Canal Lock will be closed to marine traffic from 6:30 a.m. to 5:30 p.m., Monday through Friday, for river end timber guidewall demolition.  Mariners should avoid the area during the closures.  POC: Lockmaster (504) 945-2157","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.02707,29.96528]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.02707,"DECIMAL_LATITUDE":29.96528}},{"type":"Feature","id":35540,"geometry":{"type":"Point","coordinates":[-81.51199999999994,30.396000000000072]},"properties":{"ESRI_OID":35540,"MSI_UID":35540,"ATU":7,"TITLE":"Sector Jacksonville, Submerged Land Act (SLA) - St Johns River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116383440,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stjohriv","WATERWAY_NAME":"St Johns River","CREATE_DATE":1769008087000,"MODIFIED_DATE":1769008293000,"BEGIN_DATE":1768953600000,"END_DATE":1790812799000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-01-21 35540\n\nLocation:\n30-23-40.668N/081-30-25.344W\n\n\nBeginning on or about February 1, 2026, with an estimated completion date of August 30, 2027, Manson will be performing construction activities that could impact navigation including, but limited to:\n•\tCrane mounted spud barge mobilization\n•\tDeck/material barge mobilization and loading/unloading\n•\tRelocation of temporary lighterage docking structures\n•\tConstruction of a new lighterage wharf\n•\tConstruction of a new bulkhead (seawall)\n•\tShoreline protection work\nThis work is scheduled to occur at the unrestricted channel entrance at the Blount Island Marine Terminal on the St. Johns River.\n\nThe crane barges, material barges, and support vessels in the area will be assisting construction operations from 7 a.m. to 7 p.m. 7 days a week. These activities pose a hazard to vessels traveling within 500 feet from Marine Corps Support Facility - Blount Island. Mariners should exercise caution when transiting the area. Please stay clear of the construction area and away from any working equipment. Crews will be monitoring VHF-FM channel 61. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.512,30.396]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.512,"DECIMAL_LATITUDE":30.396}},{"type":"Feature","id":35571,"geometry":{"type":"Point","coordinates":[-87.29487999999998,30.331450000000075]},"properties":{"ESRI_OID":35571,"MSI_UID":35571,"ATU":8,"TITLE":"Sector Mobile, Submerged Land Act (SLA) - Pensacola Bay/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384579,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:penbay","WATERWAY_NAME":"Pensacola Bay","CREATE_DATE":1769025859000,"MODIFIED_DATE":1771347814000,"BEGIN_DATE":1768867200000,"END_DATE":1778198399000,"DESCRIPTION":"Pensacola Bay - Staging Area --- From: 2026-01-27 To: 2026-05-06 --- Dredge and beach nourishment equipment will be staged along Fort Pickens and towed offshore via the Pensacola Entrance Channel for the Pensacola Beach shoreline nourishment project.  On-scene vessels will include the T/Vs JOAN CENAC and CHRISTI C., the Survey Vessel JOHN M., and the Crew Boat COLONEL.  Mariners are urged to transit the area with caution and maintain a safe distance from the assembled pipeline.  VHF-FM Channels: 13, 16 and 67, POC: (904) 763-4476","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-87.29488,30.33145]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-87.29487999999999,"DECIMAL_LATITUDE":30.33145}},{"type":"Feature","id":35573,"geometry":{"type":"Point","coordinates":[-87.31776999999994,30.32770000000005]},"properties":{"ESRI_OID":35573,"MSI_UID":35573,"ATU":8,"TITLE":"Sector Mobile, Submerged Land Act (SLA) - Pensacola Bay/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384579,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:penbay","WATERWAY_NAME":"Pensacola Bay","CREATE_DATE":1769026502000,"MODIFIED_DATE":1771347826000,"BEGIN_DATE":1768867200000,"END_DATE":1778198399000,"DESCRIPTION":"Pensacola Bay - Staging Area --- From: 2026-01-27 To: 2026-05-06 --- Dredge and beach nourishment equipment will be staged along Fort McRee and towed offshore via the Pensacola Entrance Channel for the Pensacola Beach shoreline nourishment project.  On-scene vessels will include the T/Vs JOAN CENAC and CHRISTI C., the Survey Vessel JOHN M., and the Crew Boat COLONEL.  Mariners are urged to transit the area with caution and maintain a safe distance from the assembled pipeline.  VHF-FM Channels: 13, 16 and 67, POC: POC: (904) 763-4476","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-87.31777,30.3277]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-87.31777,"DECIMAL_LATITUDE":30.3277}},{"type":"Feature","id":35641,"geometry":{"type":"Point","coordinates":[-76.39438999999999,39.13096000000007]},"properties":{"ESRI_OID":35641,"MSI_UID":35641,"ATU":5,"TITLE":"Chesapeake Channel - Sandy Point To Susquehanna River (Chart 12273)/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382419,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:cracha","WATERWAY_NAME":"Sandy Point To Susquehanna River (Chart 12273)","CREATE_DATE":1769110555000,"MODIFIED_DATE":1769110622000,"BEGIN_DATE":1748476800000,"END_DATE":1798847999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-05-29 To: 2027-01-01\n\nLocation:\n39.13096° N / 76.39439° W\nThe construction of the New Craighill Range Front and Range Rear has begun. The new structure(s) will be marked with a slow flashing white light with a nominal range of 4nm and located in approximate position: \nCraighill Range Front: 39 07 51.489N—76 23 39.804W.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.39439,39.13096]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.39439,"DECIMAL_LATITUDE":39.13096}},{"type":"Feature","id":35642,"geometry":{"type":"Point","coordinates":[-76.39437999999996,39.13920000000007]},"properties":{"ESRI_OID":35642,"MSI_UID":35642,"ATU":5,"TITLE":"Chesapeake Channel - Sandy Point To Susquehanna River (Chart 12273)/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382419,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:cracha","WATERWAY_NAME":"Sandy Point To Susquehanna River (Chart 12273)","CREATE_DATE":1769110604000,"MODIFIED_DATE":1769110613000,"BEGIN_DATE":1748476800000,"END_DATE":1798847999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-05-29 To: 2027-01-01\n\nLocation:\n39.1392° N / 76.39438° W\nThe construction of the New Craighill Range Front and Range Rear has begun. The new structure(s) will be marked with a slow flashing white light with a nominal range of 4nm and located in approximate position\nCraighill Range Rear: 39 08 21.143N—76 23 39.780W.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.39438,39.1392]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.39438,"DECIMAL_LATITUDE":39.1392}},{"type":"Feature","id":36019,"geometry":{"type":"Point","coordinates":[-74.06787999999995,40.665260000000046]},"properties":{"ESRI_OID":36019,"MSI_UID":36019,"ATU":1,"TITLE":"Main Channel - Port Jersey Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382309,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:porjercha","WATERWAY_NAME":"Port Jersey Channel","CREATE_DATE":1769706855000,"MODIFIED_DATE":1769707805000,"BEGIN_DATE":1769644800000,"END_DATE":1803945599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-01-29 To: 2027-03-01\n\nLocation:\n40-00-08.892N/074-04-30.288W\n\nTrevcon Construction Company, LLC. Will be conducting installation of Steel Pile Piles & Steel Beams / Structural Concrete Work / Concrete Pile Repair Work & Underdeck Concrete Repairs at the  Port Liberty Container Terminal, in position 40-40-8.900N, 074-4-30.313W, from March 1, 2026, to February 28, 2027, between 5:00am to 7:00pm. Equipment on scene will be Two Barge (180’ x 60’), Two Barges (140’ x 50’), One Barge (90’ x 30’), All moving of vessels to occur by tugboat; vessels will be moved at all times of day and night.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-74.06788,40.66526]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-74.06788,"DECIMAL_LATITUDE":40.665259999999996}},{"type":"Feature","id":36100,"geometry":{"type":"Point","coordinates":[-73.95177999999999,41.98369000000008]},"properties":{"ESRI_OID":36100,"MSI_UID":36100,"ATU":1,"TITLE":"Main Channel - Hudson River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382131,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:hudriv","WATERWAY_NAME":"Hudson River","CREATE_DATE":1769798577000,"MODIFIED_DATE":1769798584000,"BEGIN_DATE":1769731200000,"END_DATE":1927497599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-02-17 To: 2031-01-29\n\nLocation:\n41-59-01.284N/073-57-06.408W\n\nBank Stabilization operations will be conducted north of the Kingston Rhinecliff Bridge off the west side of the Hudson River in position 41-59-1.240N, 073-57-9.794W, from February 17, 2026, to January 28, 2031. Work will be conducted withing the Town of Ulster allowable work hours between 7:00 am to 10:00 pm.  Equipment on scene will be, Long reach excavators from upland at first and possibly on a barge if necessary. All work will be within the existing cove. The work will be within the existing cove off the Hudson River and will not interfere with the channel. The installation of a 44-foot by 8-foot floating pier, attached to a bulkhead by a 36-foot by 4-foot gangway. Three (3) finger piers, approximately 36-feet by 6-feet each, will extend\nfrom the main floating pier. The entire pier assembly will be held in place by five (5)\nplastic, 16-inch-diameter piles, each installed by vibratory hammer. The dredging of a total of approximately 1,429 cubic yards of material, over an area of approximately 12,500 square feet. All dredged material will be disposed of within a contained upland disposal area on the property.\n\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-73.95178,41.98369]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-73.95178,"DECIMAL_LATITUDE":41.983689999999996}},{"type":"Feature","id":36117,"geometry":{"type":"Point","coordinates":[-94.81590999999997,29.31206000000003]},"properties":{"ESRI_OID":36117,"MSI_UID":36117,"ATU":8,"TITLE":"Galveston Bay - Galveston Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384746,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:galbay:galcha","WATERWAY_NAME":"Galveston Channel","CREATE_DATE":1769807725000,"MODIFIED_DATE":1773941270000,"BEGIN_DATE":1769731200000,"END_DATE":1809215999000,"DESCRIPTION":"Galveston Channel - Marine Construction and Dredging --- From: 2026-02-26 To: 2027-04-30 --- Dredging and marine construction will take place at Texas A&M University at Galveston (TAMU-G) Dock No. 1, in the Galveston Harbor along the Galveston Channel.  Work will be conducted 10-hours a day, 6-days a week, unless otherwise directed. Operations will include dredging, the rehabilitation of approximately 300 ft of the main bulkhead and approximately 400 ft of return wall, and the construction of approximately 350 ft of a new concrete pier deck.  On-scene vessels will include approximately two crane barges, material barges, the T/V EVERLINE and an additional towing vessel, and ancillary support craft.  Dive operations may take place intermittently throughout the project.  Mariners are urged to transit the area at a safe distance and at their slowest safe speed, observe all day shapes and dive flags, and monitor bridge-to-bridge communications.  VHF-FM Channels: 13 and 16, POC: (346) 617-8019 or (832) 405-0628","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-94.81591,29.31206]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-94.81591,"DECIMAL_LATITUDE":29.31206}},{"type":"Feature","id":36151,"geometry":{"type":"Point","coordinates":[-76.52419999999995,39.220710000000054]},"properties":{"ESRI_OID":36151,"MSI_UID":36151,"ATU":5,"TITLE":"Patapsco River - Fort Mchenry Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100119397247,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:cracha:patriv:formchcha","WATERWAY_NAME":"Fort Mchenry Channel","CREATE_DATE":1770031963000,"MODIFIED_DATE":1770031990000,"BEGIN_DATE":1757376000000,"END_DATE":1790899199000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2025-09-09 To: 2026-10-01\n\nLocation:\n39.22071° N / 76.5242°\n\nKiewit will continue to install production piles for the main foundation piers.  Weeks 533 Derrick Crane & supply barges will be positioned east of the original Francis Scott Key Bridge. This work is scheduled to be completed on or about 10/1/26. All derrick cranes & barges will be positioned adjacent to the north and south sides of the navigable channel but will not impede any vessel traffic within the navigable channel. The operation is scheduled for 12 hours a day, 6 days a week, and the barges shall remain on position 24-7. Barge positioning and similar ancillary work may occur 24/7. The four corners of the barges will be marked with steady white lights with visibility up to 2 miles. A No Entry Safety Zone has been established and is delineated by white marker buoys with slow-flashing white lights. The limits of the zone are 500’ east/downstream and 500’ west/upstream of the original Francis Scott Key Bridge alignment between Hawkins Point and Sollers point. A 6-Knot enforceable No Wake Zone has been established and is delineated by white marker buoys with slow flashing white lights. The limits of the zone are 1500’ east/downstream and 1500’ west/downstream from the original Francis Scott Key Bridge alignment between Hawkins Point and Sollers point. Vessels navigating the area shall use the Federal Channel and Buffer Zone. Kiewit is requesting all vessels in the area to use their slowest safe working speed when navigating the area. The barges will not be maneuverable when moored and will require a tugboat to shift the barges. Contractor’s vessels will monitor VHF Channels 16 and 13. The Kiewit Infrastructure Co., on-site construction leads may be contacted at (201) 832-5004, (925) 324-6503, or (908) 463-9049. MSI # 36151.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.5242,39.22071]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.52420000000001,"DECIMAL_LATITUDE":39.22071}},{"type":"Feature","id":36354,"geometry":{"type":"Point","coordinates":[-74.01480999999995,40.68250000000006]},"properties":{"ESRI_OID":36354,"MSI_UID":36354,"ATU":1,"TITLE":"Main Channel - Buttermilk Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382310,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:butcha","WATERWAY_NAME":"Buttermilk Channel","CREATE_DATE":1770151121000,"MODIFIED_DATE":1770151130000,"BEGIN_DATE":1770076800000,"END_DATE":1782863999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-02-03 To: 2026-06-30\n\nLocation:\n40-40-57.000N/074-00-53.316W\n\nTrevcon Construction Co. LLC will be conducting pier concrete work at the New York State, Buttermilk Channel near pier 12, Brooklyn, in position 40-40-57.010N, 074-0-53.341W, from February 10, 2026, to June 30, 2026. Equipment on scene will be work skiffs, float stage, and divers.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-74.01481,40.6825]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-74.01481,"DECIMAL_LATITUDE":40.682500000000005}},{"type":"Feature","id":36658,"geometry":{"type":"Point","coordinates":[-123.91434999999996,46.16896000000003]},"properties":{"ESRI_OID":36658,"MSI_UID":36658,"ATU":13,"TITLE":"Tansy Point - Skipanon Waterway/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116385646,"MRN":"urn:mrn:iala:wwy:us:navXII:dis13:seccolrivexcecozon:seccolrivtersea:seccolrivsublanact:colriv:dessan:tanpoi:skiwat","WATERWAY_NAME":"Skipanon Waterway","CREATE_DATE":1770401724000,"MODIFIED_DATE":1770401732000,"BEGIN_DATE":1770336000000,"END_DATE":1785974399000,"DESCRIPTION":"J.E. McAmis will conduct dredging and disposal operations at the Skipanon Marina near Warrenton, OR, from 16 – 21 Feb 2026. Dredge 1250 Flexi Float and tug Voyager will work 12 hours a day in the Marina adjacent to the Columbia River Bar Pilots Moorage and will monitor VHF channel 16 and use VHF channel 72 for operations. Disposals for the project will occur at the Tansy Point placement site at RM 10. Mariners are requested to use extreme caution in work areas and transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made. For additional information please contact Darrell Jamieson at (360) 984-9178 or email djamieson@jemcamis.com. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-123.91435,46.16896]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-123.91435,"DECIMAL_LATITUDE":46.16896}},{"type":"Feature","id":36756,"geometry":{"type":"Point","coordinates":[-95.12750999999997,29.735840000000053]},"properties":{"ESRI_OID":36756,"MSI_UID":36756,"ATU":8,"TITLE":"Galveston Bay Entrance Channel - Houston Ship Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116385131,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:houshicha","WATERWAY_NAME":"Houston Ship Channel","CREATE_DATE":1770655951000,"MODIFIED_DATE":1770658649000,"BEGIN_DATE":1770595200000,"END_DATE":1782950399000,"DESCRIPTION":"Houston Ship Channel - Pipeline Operation --- From: 2026-02-09 To: 2026-06-30 --- The T/V MISS BEVERLY is conducting pipeline demolition operations underneath the docks at Enterprise Products Channelview at Docks 1, 4, 5, 6 and 7.  Operations will be conducted daily, from 7:00 a.m. to 5:30 p.m.  Mariners are urged to transit the area with caution.  VHF-FM Channels: 13 and 21A,  POC: (713) 248-7937","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-95.12751,29.73584]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-95.12751,"DECIMAL_LATITUDE":29.73584}},{"type":"Feature","id":36917,"geometry":{"type":"Point","coordinates":[-91.05066999999997,30.213780000000042]},"properties":{"ESRI_OID":36917,"MSI_UID":36917,"ATU":8,"TITLE":"New Orleans Harbor - New Orleans To Baton Rouge/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100119138784,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou","WATERWAY_NAME":"New Orleans To Baton Rouge","CREATE_DATE":1770816245000,"MODIFIED_DATE":1770817581000,"BEGIN_DATE":1770768000000,"END_DATE":1778457599000,"DESCRIPTION":"Mississippi River - Dock Construction --- From: 2026-02-11 To: 2026-05-09 --- Dock repairs are being conducted at the Honeywell Facility on the Mississippi River, LDB, at Mile 186.8, AHOP.  Work will take place from 6:00 a.m. to 5:30 p.m., daily.  Mariners are urged to give the operation a wide berth and transit at their slowest safe speed to minimize wake.  POC: (225) 313-5858","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-91.05067,30.21378]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-91.05067,"DECIMAL_LATITUDE":30.21378}},{"type":"Feature","id":36960,"geometry":{"type":"Point","coordinates":[-73.92562999999996,40.72022000000004]},"properties":{"ESRI_OID":36960,"MSI_UID":36960,"ATU":1,"TITLE":"Main Channel - East River Main Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382291,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:easrivmaicha","WATERWAY_NAME":"East River Main Channel","CREATE_DATE":1770895487000,"MODIFIED_DATE":1770895543000,"BEGIN_DATE":1770854400000,"END_DATE":1793491199000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-03-06 To: 2026-10-31\n\nLocation:\n40-43-12.792N/073-55-32.268W\n\nTrevcon Construction Company, LLC. Will be Removing an Existing Seawall; Removal of Timber Decking and Piles; Dredging, Installation of Scour Protection, in Newton Creek, NY, in position 40-43-12.8N, 073-55-32.3W, between March 6, 2026, to October 30, 2026, between 5:00am, to 7:00pm. Equipment on scene will be Two Barge mounted cranes (180’ x 60’), Two Barges (140’ x 50’), One Barge (195’ x 35’).\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-73.92563,40.72022]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-73.92563,"DECIMAL_LATITUDE":40.72022}},{"type":"Feature","id":37191,"geometry":{"type":"Point","coordinates":[-70.61355999999995,41.741930000000025]},"properties":{"ESRI_OID":37191,"MSI_UID":37191,"ATU":1,"TITLE":"Hog Island Channel - Cape Cod Canal Eastern Entrance/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116381922,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon:secsounewengtersea:secsounewengsublanact:buzbaymaicha:hogislcha:capcodcaneasent","WATERWAY_NAME":"Cape Cod Canal Eastern Entrance","CREATE_DATE":1771335174000,"MODIFIED_DATE":1771350087000,"BEGIN_DATE":1771286400000,"END_DATE":1798847999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-03-09 To: 2027-02-17\n\nLocation:\n41-44-30.948N/070-36-48.816W\n\nAtlas Painting and Sheeting Corp. will be conducting bridge sandblasting and painting operations on the Buzzards Bay Railroad Bridge over the Cape Cod Canal beginning 9 March 2026 through 31 December 2026. Scaffolding will reduce the vertical clearance from 135 feet to 130 feet MHW.  Questions concerning the project should be directed to the Duty Marine Traffic Controller, US Army Corps of Engineers, Cape Cod Canal Field Office at 978-318-8500 or VHF Channel 14.  Mariners should exercise caution while transiting the area.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-70.61356,41.74193]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-70.61355999999999,"DECIMAL_LATITUDE":41.741929999999996}},{"type":"Feature","id":37200,"geometry":{"type":"Point","coordinates":[-87.83693999999997,30.24941000000007]},"properties":{"ESRI_OID":37200,"MSI_UID":37200,"ATU":8,"TITLE":"Mobile Bar - Mobile Bay/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384533,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:mobbay:mobbar:mobbay","WATERWAY_NAME":"Mobile Bay","CREATE_DATE":1771337785000,"MODIFIED_DATE":1777320441000,"BEGIN_DATE":1771286400000,"END_DATE":1783036799000,"DESCRIPTION":"Mobile Bay - Bon Secour Bay - Marine Construction --- From: 2026-05-01 To: 2026-07-01--- The Fort Morgan Adaptive Management project will take place in southeast Mobile Bay, from 6:00 a.m. to 6:00 p.m., daily.  Operations will consist of placing concrete material on top of existing reefs located along the private Fort Morgan property.  On-scene vessels will include one push boat, two barges, one material handler, and one transport vessel.  Mariners are requested to transit the area at no wake speed.  VHF-FM Channels: 12 and 16, POC: (251) 747-0146 and (251) 370-0352","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-87.83694,30.24941]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-87.83694,"DECIMAL_LATITUDE":30.249409999999997}},{"type":"Feature","id":37332,"geometry":{"type":"Point","coordinates":[-90.94944999999996,30.113710000000026]},"properties":{"ESRI_OID":37332,"MSI_UID":37332,"ATU":8,"TITLE":"New Orleans Harbor - New Orleans To Baton Rouge/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100119138784,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou","WATERWAY_NAME":"New Orleans To Baton Rouge","CREATE_DATE":1771443498000,"MODIFIED_DATE":1776861481000,"BEGIN_DATE":1771372800000,"END_DATE":1782518399000,"DESCRIPTION":"Mississippi River - Material Offloading --- From: 2026-02-25 To: 2026-06-25 --- Material offloading will be conducted along the Mississippi River, LDB, near Mile 172.8, AHOP.  On-scene vessels will include hopper barges, towing vessels and a spud barge.  Mariners are urged to transit the area with caution.  POC: (337) 323-9373 or (337) 519-8883","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.94945,30.11371]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.94945,"DECIMAL_LATITUDE":30.113709999999998}},{"type":"Feature","id":37341,"geometry":{"type":"Point","coordinates":[-93.34695999999997,29.772350000000074]},"properties":{"ESRI_OID":37341,"MSI_UID":37341,"ATU":8,"TITLE":"Sector Houston-Galveston, Submerged Land Act (SLA) - Calcasieu Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384877,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:calcha","WATERWAY_NAME":"Calcasieu Channel","CREATE_DATE":1771444301000,"MODIFIED_DATE":1771448435000,"BEGIN_DATE":1771372800000,"END_DATE":1805241599000,"DESCRIPTION":"Calcasieu Channel - Material Offloading --- From: 2026-03-15 To: 2027-03-15 --- Material offloading will be conducted along the west side of the Calcasieu Channel near Mile 0.3.  On-scene vessels will include hopper barges and towing vessels.  Mariners are urged to transit the area with caution and at their slowest safe speed to minimize wake.  POC: (337) 247-1071 or (337) 519-1163","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-93.34696,29.77235]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-93.34696,"DECIMAL_LATITUDE":29.77235}},{"type":"Feature","id":37938,"geometry":{"type":"Point","coordinates":[-87.62879999999996,30.298170000000027]},"properties":{"ESRI_OID":37938,"MSI_UID":37938,"ATU":8,"TITLE":"Pensacola Bay - Pensacola-Mobile/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116384689,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:penbay:pen","WATERWAY_NAME":"Pensacola-Mobile","CREATE_DATE":1772134582000,"MODIFIED_DATE":1772134890000,"BEGIN_DATE":1772064000000,"END_DATE":1805241599000,"DESCRIPTION":"GIWW - Marina Construction and Dredging --- From: 2026-03-16 To: 2027-03-15 --- A 43-slip marina will be constructed outside of the GIWW Channel, near Mile 159.0, EHL, in approximate position 30-17-53.67N 087-37-43.72W.  Work will be conducted from 7:00 a.m. to 4:30 p.m., Monday through Saturday.  Dredging from the GIWW Channel into the marina area will take place within the first 30-days of the project.  All other marina construction will be conducted for the remainder of the project timeline.  On-scene vessels will include a barge mounted dredge, towing vessels, and construction equipment.  Mariners are urged to transit the area at their slowest safe speed to minimize wake and proceed with caution.  POC: (251) 689-8656","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-87.6288,30.29817]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-87.6288,"DECIMAL_LATITUDE":30.29817}},{"type":"Feature","id":38562,"geometry":{"type":"Point","coordinates":[-80.74399999999997,24.761000000000024]},"properties":{"ESRI_OID":38562,"MSI_UID":38562,"ATU":7,"TITLE":"Sector Key West, Exclusive Economic Zone (EEZ)  - Sector Key West, Territorial Sea/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384385,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:seckeywesexcecozon:seckeywestersea","WATERWAY_NAME":"Sector Key West, Territorial Sea","CREATE_DATE":1772990854000,"MODIFIED_DATE":1776869486000,"BEGIN_DATE":1772928000000,"END_DATE":1782863999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-03-08 \n38562\n\nLocation:\n24-45-39.600N/080-44-38.400W\n\nDeep Research Inc is deploying an Undersea Habitat System within the Florida Keys National Marine Sanctuary Tennessee Reef Special Use/Research Only Area. Resolve marine will begin deployment of this project with an on-scene tug, barge, and supply vessel from approximately March 8, 2026, until May 31, 2026. The site is located on the waters of the Atlantic Ocean off Long Key. Mariners are advised that work will include the use of floating mooring lines in order to stay clear of the area and transit at their slowest safe speed if navigation in the vicinity of this project is required. Mariners may contact the on-scene vessels on VHF-FM channels 16 and 72. The POC for this project: Nolan Conway, 954-764-8700.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-80.744,24.761]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-80.744,"DECIMAL_LATITUDE":24.761000000000003}},{"type":"Feature","id":38583,"geometry":{"type":"Point","coordinates":[-71.05689999999998,42.388000000000034]},"properties":{"ESRI_OID":38583,"MSI_UID":38583,"ATU":1,"TITLE":"President Roads - Mystic River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116381898,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secbosexcecozon:secbostersea:secbossublanact:bossoucha:bosnorcha:preroa:mysriv","WATERWAY_NAME":"Mystic River","CREATE_DATE":1773054199000,"MODIFIED_DATE":1773054209000,"BEGIN_DATE":1773014400000,"END_DATE":1777593599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-03-09 To: 2026-04-30\n\nLocation:\n42-23-16.800N/071-03-24.840W\n\nACK Marine & General Contracting will be conducting marine construction operations in Everett, MA, in position 42-23-16.8N, 071-03-24.84W, from March 10, 2026, to April 30, 2026. Equipment on scene will be push boats, barges, cranes, and floats, monitoring VHF-FM CH 13 &16. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-71.0569,42.388]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-71.0569,"DECIMAL_LATITUDE":42.388000000000005}},{"type":"Feature","id":38599,"geometry":{"type":"Point","coordinates":[-82.18961999999993,41.476260000000025]},"properties":{"ESRI_OID":38599,"MSI_UID":38599,"ATU":9,"TITLE":"Lake Erie - Lorain Harbor/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116386028,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:lorhar","WATERWAY_NAME":"Lorain Harbor","CREATE_DATE":1773055781000,"MODIFIED_DATE":1773062945000,"BEGIN_DATE":1773014400000,"END_DATE":1794787199000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)\n\nFrom: 2026-03-09 To: 2026-11-15\n\nLocation:\n41-28-34.536N/082-11-22.632W\n\nGreat Lakes Dock and Materials will be conducting break wall repair work at the West Break wall.24 hours a day 7 days a week. On scene vessels can be contacted on VHF channels 7 and 16. \n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-82.18962,41.47626]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-82.18961999999999,"DECIMAL_LATITUDE":41.476259999999996}},{"type":"Feature","id":38883,"geometry":{"type":"Point","coordinates":[-86.24788999999998,43.058800000000076]},"properties":{"ESRI_OID":38883,"MSI_UID":38883,"ATU":9,"TITLE":"LAKE MICHIGAN - Grand River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116386204,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:lakhur:lakmic:grariv","WATERWAY_NAME":"Grand River","CREATE_DATE":1773149621000,"MODIFIED_DATE":1774456261000,"BEGIN_DATE":1775001600000,"END_DATE":1796083199000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-03-10 To: 2026-09-06\n\nGreat Lakes Dock & Materials, L.L.C.\n2. TYPE OF OPERATION: Pier Construction and Dredging\n3. LOCATION: Grand Haven North Pier, Michigan\n4. COMMENCE DATE: April 1, 2026 COMPLETE DATE: November 30, 2026\n5. HOURS OF OPERATION: 24 hours per day\n6. DAYS OF OPERATION: 7 days per week\n7. CONTACT VESSEL: Spud Barge “Justin Avery” and “Jacquelyn” and Tug “George F Bailey”\n8. VHF-FM CHANNELS MONITORED: 16 and 18\n\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-86.24789,43.0588]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-86.24789,"DECIMAL_LATITUDE":43.058800000000005}},{"type":"Feature","id":38884,"geometry":{"type":"Point","coordinates":[-87.64815999999996,44.09203000000008]},"properties":{"ESRI_OID":38884,"MSI_UID":38884,"ATU":9,"TITLE":"Manistee - Manitowoc Harbor of Refuge/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116386214,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:lakhur:lakmic:man:manharofref","WATERWAY_NAME":"Manitowoc Harbor of Refuge","CREATE_DATE":1773149943000,"MODIFIED_DATE":1773149951000,"BEGIN_DATE":1781481600000,"END_DATE":1793491199000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-06-15 To: 2026-10-31\nRoen Salvage Company\nTYPE OF OPERATION: Breakwater Repairs\nLOCATION: Manitowoc Harbor, Lake Michigan\nCOMMENCE DATE:6/15/2026\nCOMPLETE DATE:10/31/2026\nHOURS OF OPERATION:6 a.m.TO:6 p.m.\nDAYS OF OPERATION Sunday TO: Saturday\nNAME OF CONTACT VESSEL: Tug David R. Schanock\nVHF-FM CHANNELS MONITORED:7 & 16\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-87.64816,44.09203]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-87.64815999999999,"DECIMAL_LATITUDE":44.09203}},{"type":"Feature","id":38885,"geometry":{"type":"Point","coordinates":[-81.83932999999996,41.49179000000004]},"properties":{"ESRI_OID":38885,"MSI_UID":38885,"ATU":9,"TITLE":"Lake Erie - WEST END OF LAKE ERIE/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116386006,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri","WATERWAY_NAME":"WEST END OF LAKE ERIE","CREATE_DATE":1773150159000,"MODIFIED_DATE":1773163313000,"BEGIN_DATE":1774828800000,"END_DATE":1777593599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2026-03-30 To: 2026-04-30\n\nLocation:\n41-29-30.444N/081-50-21.588W\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.83933,41.49179]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.83932999999999,"DECIMAL_LATITUDE":41.491789999999995}},{"type":"Feature","id":39089,"geometry":{"type":"Point","coordinates":[-81.04113999999998,30.997290000000078]},"properties":{"ESRI_OID":39089,"MSI_UID":39089,"ATU":7,"TITLE":"District 7, Oceanic boundary to EEZ - Sector Charleston, Exclusive Economic Zone (EEZ)/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384309,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secchaexcecozon","WATERWAY_NAME":"Sector Charleston, Exclusive Economic Zone (EEZ)","CREATE_DATE":1773323141000,"MODIFIED_DATE":1773323228000,"BEGIN_DATE":1773273600000,"END_DATE":1779321599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-03-12 \n39089\n\nLocation:\n30-59-50.244N/081-02-28.104W\n\nThe Georgia Department of Natural Resources (GADNR) intends to deploy the tug SEGA at SFC Reef between March 23 and April 23, 2026. The SEGA is 64.5 feet0 x 24.5 feet x 27 feet and is expected to land on her keel for a max height of 27 feet. SFC Reef is approximately 60’ deep at the proposed location and has an approved clearance of –28 feet MLW. Material placements will not exceed this site’s approved clearance. All deployments are conducted in favorable weather conditions and during daylight hours. The proposed material deployment location is 30.99729N, 81.04114W.\n\nThe Offshore Artificial Reef Program covers 111 square miles, consists of 20 offshore reefs, eight decommissioned Department of Defense Tactical Air Crew Training System Towers, and three beach reefs. This Program was established to develop long-term fisheries habitat to increase the availability of quality recreational fishing and diving sites in the Atlantic Ocean near Georgia. These artificial reefs provide habitat for both fishes and other marine life; act as attachment points for fouling and sessile organisms in search of hard substrates such as anemones, octocorals, sponges, algae, and others; and provide habitat for organisms to forage, shelter, and evade predators.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-81.04114,30.99729]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-81.04114,"DECIMAL_LATITUDE":30.99729}},{"type":"Feature","id":39104,"geometry":{"type":"Point","coordinates":[-94.81574999999998,29.308930000000032]},"properties":{"ESRI_OID":39104,"MSI_UID":39104,"ATU":8,"TITLE":"Galveston Bay - Galveston Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384746,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:galbay:galcha","WATERWAY_NAME":"Galveston Channel","CREATE_DATE":1773327483000,"MODIFIED_DATE":1773330257000,"BEGIN_DATE":1770595200000,"END_DATE":1780358399000,"DESCRIPTION":"Galveston Channel - Dock Construction --- From: 2025-10-20 To: Until Further Notice --- Dock construction is being conducted at Galveston Ship Docks 40 and 41.  Work will be conducted from skiffs on the water.  During working hours, wake and surge considerations are requested from all vessel traffic.  POC: (832) 404-1888 or (713) 413-7856","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-94.81575,29.30893]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-94.81575,"DECIMAL_LATITUDE":29.30893}},{"type":"Feature","id":39139,"geometry":{"type":"Point","coordinates":[-92.30202999999995,29.559250000000077]},"properties":{"ESRI_OID":39139,"MSI_UID":39139,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Freshwater Bayou/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116384973,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:frebay","WATERWAY_NAME":"Freshwater Bayou","CREATE_DATE":1773342795000,"MODIFIED_DATE":1773398559000,"BEGIN_DATE":1773273600000,"END_DATE":1782950399000,"DESCRIPTION":"Freshwater Bayou - Freshwater Bayou Bypass Channel - Dredge Operation --- From: 2026-03-14 To: 2026-06-30 --- Mechanical dredging will be conducted in the Freshwater Bayou Bypass Channel.  Work will take place 12-hours a day, 7-days a week.  Dredged material will be placed in barges and deposited on the bank to construct a berm.  On-scene vessels will include the Spud Barges IBR904 and U1404 and two hopper barges.  Mariners are urged to transit the area at their slowest safe speed to minimize wake and proceed with caution.  VHF-FM Channels: 67 and 72,  POC: (337) 380-4548","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-92.30203,29.55925]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-92.30203,"DECIMAL_LATITUDE":29.55925}},{"type":"Feature","id":39224,"geometry":{"type":"Point","coordinates":[-88.10794999999996,30.451230000000066]},"properties":{"ESRI_OID":39224,"MSI_UID":39224,"ATU":8,"TITLE":"Mobile Channel - Fowl River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384526,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:mobbay:mobbar:mobcha:fowriv","WATERWAY_NAME":"Fowl River","CREATE_DATE":1773671948000,"MODIFIED_DATE":1775755038000,"BEGIN_DATE":1773619200000,"END_DATE":1777679999000,"DESCRIPTION":"Fowl River - Marine Construction --- From: 2026-03-14 To: 2026-04-30 --- Increased barge traffic will transit the Fowl River in Mobile, AL, as part of the Fowl River Marsh and Shoreline Stabilization and Restoration Project.  Work will take place 12-hours a day, 5-days a week.  The M/V ANNE CAROLINE will be the on-scene project vessel.  The work in the Fowl River is susceptible to damage from passing traffic.  Mariners are requested to proceed at a slow/no wake speed within 2 miles of the Pelican Reef Marina near the junction of the Fowl River and Mobile Bay.  VHF-FM Channels: 16 or 68,  POC: (678) 634-4879 ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-88.10795,30.45123]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-88.10795,"DECIMAL_LATITUDE":30.45123}},{"type":"Feature","id":39547,"geometry":{"type":"Point","coordinates":[-73.93054999999998,40.80419000000006]},"properties":{"ESRI_OID":39547,"MSI_UID":39547,"ATU":1,"TITLE":"Main Channel - East River Main Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382291,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:easrivmaicha","WATERWAY_NAME":"East River Main Channel","CREATE_DATE":1774014831000,"MODIFIED_DATE":1774014872000,"BEGIN_DATE":1773964800000,"END_DATE":1819756799000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-03-20 To: 2027-08-31\n\nLocation:\n40-48-15.084N/073-55-49.980W\n\nTrevcon Construction Company will be conducting demolition and reconstruction operations on the Harlem River, west shoreline from RFK Bridge(125th St.) to Metro North Rail Bridge (132nd St.)in position 40-48-15.1N, 073-55-50W, through August 2027, Monday through Friday, between 5:00am to 6:00pm. Equipment on scene will be multiple crane barges, and material barges, monitoring VHF-FM CH 13, 16, 65, &75. Floating Equipment will be positioned along the West shoreline of the Harlem River, vessel traffic will not be impeded.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-73.93055,40.80419]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-73.93055,"DECIMAL_LATITUDE":40.80419}},{"type":"Feature","id":39636,"geometry":{"type":"Point","coordinates":[-73.98482999999999,40.709520000000055]},"properties":{"ESRI_OID":39636,"MSI_UID":39636,"ATU":1,"TITLE":"Main Channel - East River Main Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382291,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:easrivmaicha","WATERWAY_NAME":"East River Main Channel","CREATE_DATE":1774275244000,"MODIFIED_DATE":1774275261000,"BEGIN_DATE":1774224000000,"END_DATE":1856995199000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-03-23 To: 2028-11-04\n\nLocation:\n40-42-34.272N/073-59-05.388W\n\nReicon will be conducting pile repair and rehabilitation operations at Pier 36, East River, New York, NY, in position 40-42-34.3N, 073-59-05.4W, from February 23, 2026, to November 3, 2028, Monday through Friday, between 6:00am to 2:00pm, local time. Equipment on scene will be a dive barge, monitoring VHF-FM Ch 13 and is requesting mariners to minimize their wake, while operations are being conducted.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-73.98483,40.70952]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-73.98483,"DECIMAL_LATITUDE":40.70952}},{"type":"Feature","id":39691,"geometry":{"type":"Point","coordinates":[-73.99916999999994,40.76609000000008]},"properties":{"ESRI_OID":39691,"MSI_UID":39691,"ATU":1,"TITLE":"Main Channel - Hudson River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116382131,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:hudriv","WATERWAY_NAME":"Hudson River","CREATE_DATE":1774287760000,"MODIFIED_DATE":1774287774000,"BEGIN_DATE":1774224000000,"END_DATE":1779580799000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2026-04-27 To: 2026-05-23\n\nLocation:\n40-45-57.924N/073-59-57.012W\n\nDonjon Marine will be conducting a  maintenance dredging project located at the Manhattan Cruise Terminal, Manhattan, NY, in position 40-45-57.938N, 073-59-57.03W. This project is scheduled to start on, or about  April 27, 2026, with a completion date of approximately May 22, 2026. This dredge project is a “Move On Demand” dredge project, Donjon will have a tending tug on site should our vessels need to be moved for vessel traffic, monitoring VHF-FM CH 13 and 16.\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-73.99917,40.76609]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-73.99916999999999,"DECIMAL_LATITUDE":40.76609}},{"type":"Feature","id":39873,"geometry":{"type":"Point","coordinates":[-75.37886999999995,39.82268000000005]},"properties":{"ESRI_OID":39873,"MSI_UID":39873,"ATU":5,"TITLE":"Delaware River - Delaware River Main Channel/General/Marine Construction (Excluding Bridges)/Survey Operations","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Survey Operations","WTRW_UID":100116382796,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secdelbayexcecozon:secdelbaytersea:secdelbaysublanact:delbay:delbaymaicha:lisran:delriv:delrivmaicha","WATERWAY_NAME":"Delaware River Main Channel","CREATE_DATE":1774435275000,"MODIFIED_DATE":1774435301000,"BEGIN_DATE":1776816000000,"END_DATE":1779062399000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Survey Operations\n\nFrom: 2026-04-22 To: 2026-05-17\n\nLocation:\n39-49-21.648N/075-22-43.932W\n\nOn or about May 13-15, 2026, the R/V Hugh G. Sharp will recover mooring frames in 2 locations near the main channel of Delaware Bay. Site one is at 39  49.361N, 75  22.732W,  0.5 NM  south of the Commodore Barry Bridge, on the NJ side of the channel. Site two is at 39  40.740N, 75  31.457W, 0.6NM south of the Delaware Memorial Bridge, on the DE side of the channel. Operations will take place during daylight hours on the 13th and 14th and will include multibeam sonar transects of the channel, small-boat diving operations, and bottom dragging for equipment. Some sonar transects may be at night. POC: David Walter, UDEL Director of Marine Operations ,  302-645-4341, Sean MucNulty, Captain, R/V Sharp,  843-505-1661. MSI # 39873.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-75.37887,39.82268]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-75.37886999999999,"DECIMAL_LATITUDE":39.82268}},{"type":"Feature","id":39874,"geometry":{"type":"Point","coordinates":[-75.52427999999998,39.67900000000003]},"properties":{"ESRI_OID":39874,"MSI_UID":39874,"ATU":5,"TITLE":"Delaware River - Delaware River Main Channel/General/Marine Construction (Excluding Bridges)/Survey Operations","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Survey Operations","WTRW_UID":100116382796,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secdelbayexcecozon:secdelbaytersea:secdelbaysublanact:delbay:delbaymaicha:lisran:delriv:delrivmaicha","WATERWAY_NAME":"Delaware River Main Channel","CREATE_DATE":1774435426000,"MODIFIED_DATE":1774435441000,"BEGIN_DATE":1776816000000,"END_DATE":1779062399000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Survey Operations\n\nFrom: 2026-04-22 To: 2026-05-17\n\nLocation:\n39-40-44.400N/075-31-27.408W\nOn or about May 13-15, 2026, the R/V Hugh G. Sharp will recover mooring frames in 2 locations near the main channel of Delaware Bay. Site one is at 39  49.361N, 75  22.732W,  0.5 NM  south of the Commodore Barry Bridge, on the NJ side of the channel. Site two is at 39  40.740N, 75  31.457W, 0.6NM south of the Delaware Memorial Bridge, on the DE side of the channel. Operations will take place during daylight hours on the 13th and 14th and will include multibeam sonar transects of the channel, small-boat diving operations, and bottom dragging for equipment. Some sonar transects may be at night. POC: David Walter, UDEL Director of Marine Operations ,  302-645-4341, Sean MucNulty, Captain, R/V Sharp,  843-505-1661. MSI # 39874.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-75.52428,39.679]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-75.52427999999999,"DECIMAL_LATITUDE":39.679}},{"type":"Feature","id":39982,"geometry":{"type":"Point","coordinates":[-74.07246999999995,40.68526000000003]},"properties":{"ESRI_OID":39982,"MSI_UID":39982,"ATU":1,"TITLE":"Ambrose Channel - Main Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382304,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha","WATERWAY_NAME":"Main Channel","CREATE_DATE":1774519897000,"MODIFIED_DATE":1774548092000,"BEGIN_DATE":1774483200000,"END_DATE":1780790399000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-03-26 To: 2026-06-06\n\nLocation:\n40-41-06.936N/074-04-20.892W\nNY-PORT LIBERTÉ/CAVEN POINT MARINE TERMINAL/CLAREMONT TERMINAL CHANNEL \n\nMichels Construction Inc. will be conducting cone fender system enhancements and fender pipe pile installation in the vicinity of Port Liberté/Caven Point Marine Terminal/Claremont Terminal Channel NJ near 40.685265N -74.072468W from 6 April – 6 June 2026,Monday-Friday, 6:00am-6:00pm. Construction barges will be positioned adjacent to the existing timber dock. Equipment on scene will be a 180 ft x 45 ft Spud barge with a Crawler crane, 60ft telescopic boom lift loaded on it. There will be no impact to navigation. Vessels may pass at all times. Project barge will be spudded within USACE dock. \n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-74.07247,40.68526]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-74.07247,"DECIMAL_LATITUDE":40.68526}},{"type":"Feature","id":40019,"geometry":{"type":"Point","coordinates":[-91.83791999999994,29.94826000000006]},"properties":{"ESRI_OID":40019,"MSI_UID":40019,"ATU":8,"TITLE":"Southwest Pass Vermilion Bay Channel - Acadiana Navigation Channel/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116384980,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupasverbaycha:acanavcha","WATERWAY_NAME":"Acadiana Navigation Channel","CREATE_DATE":1774540199000,"MODIFIED_DATE":1774542949000,"BEGIN_DATE":1774483200000,"END_DATE":1782950399000,"DESCRIPTION":"Commercial Canal - Acadiana Navigation Channel - Dredge Operation --- From: 2026-03-26 To: 2026-06-30 --- Dredging will be conducted in Commercial Canal at the Port of Iberia.  Work will take place 24-hours a day, 7-days a week.  On-scene vessels will include deck barges, spud barges, and truckable mud tugs.  Mariners are urged to transit the area with caution.  POC: (337) 323-9373 or (337) 519-8883","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-91.83792,29.94826]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-91.83792,"DECIMAL_LATITUDE":29.948259999999998}},{"type":"Feature","id":40173,"geometry":{"type":"Point","coordinates":[-74.07245999999998,40.68526000000003]},"properties":{"ESRI_OID":40173,"MSI_UID":40173,"ATU":1,"TITLE":"Ambrose Channel - Main Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382304,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha","WATERWAY_NAME":"Main Channel","CREATE_DATE":1774868613000,"MODIFIED_DATE":1774868625000,"BEGIN_DATE":1774828800000,"END_DATE":1780876799000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-04-06 To: 2026-06-07\n\nLocation:\n40-41-06.936N/074-04-20.856W\n\nMichels Construction, Inc. will be conducting marine construction operations at the Caven Point Marine Terminal, Claremount Terminal Channel, from April 6, 2026, to June 6, 2026. Equipment on scene will be a spud barge and will not impede the federal channel. Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-74.07246,40.68526]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-74.07245999999999,"DECIMAL_LATITUDE":40.68526}},{"type":"Feature","id":40216,"geometry":{"type":"Point","coordinates":[-88.42598999999996,34.06484000000006]},"properties":{"ESRI_OID":40216,"MSI_UID":40216,"ATU":8,"TITLE":"Tennessee Tombigbee River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116385074,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:mobbay:mobbar:mobcha:mobriv:tomriv:tentomriv:mm327mm328","WATERWAY_NAME":"Tennessee Tombigbee River","CREATE_DATE":1774880535000,"MODIFIED_DATE":1774880748000,"BEGIN_DATE":1774828800000,"END_DATE":1791763199000,"DESCRIPTION":"Tennessee-Tombigbee River - Lock Closure --- From: 2026-09-09 To: 2026-10-10 --- Routine maintenance closures have been scheduled for the Glover Wilkins Lock, on the Tennessee-Tombigbee River, Mile 376.3.  The Lock will be closed for 30 days, from 6:00 a.m., September 9, 2026, to 6:00 p.m., October 10, 2026, for critical maintenance activities.  If the lock re-opens prior to the scheduled date, an updated Notice to Mariners will be issued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-88.42599,34.06484]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-88.42599,"DECIMAL_LATITUDE":34.06484}},{"type":"Feature","id":40217,"geometry":{"type":"Point","coordinates":[-88.48898999999994,34.01117000000005]},"properties":{"ESRI_OID":40217,"MSI_UID":40217,"ATU":8,"TITLE":"Tennessee Tombigbee River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116385074,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:mobbay:mobbar:mobcha:mobriv:tomriv:tentomriv:mm327mm328","WATERWAY_NAME":"Tennessee Tombigbee River","CREATE_DATE":1774880720000,"MODIFIED_DATE":1774880772000,"BEGIN_DATE":1774828800000,"END_DATE":1791763199000,"DESCRIPTION":"Tennessee-Tombigbee River - Lock Closure --- From: 2026-09-09 To: 2026-10-10 --- Routine maintenance closures have been scheduled for the Thad Cochran (Armory) Lock, on the Tennessee-Tombigbee River, Mile 371.1.  The lock will be closed for 30 days, from 6:00 a.m., September 10, 2026, to 6:00 p.m., October 10, 2026, for critical maintenance activities.  If the lock re-opens prior to the scheduled date, an updated Notice to Mariners will be issued.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-88.48899,34.01117]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-88.48899,"DECIMAL_LATITUDE":34.01117}},{"type":"Feature","id":40224,"geometry":{"type":"Point","coordinates":[-94.87901999999997,29.37987000000004]},"properties":{"ESRI_OID":40224,"MSI_UID":40224,"ATU":8,"TITLE":"Galveston Bay Entrance Channel - Texas City Channel/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116385094,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:texcitcha","WATERWAY_NAME":"Texas City Channel","CREATE_DATE":1774884848000,"MODIFIED_DATE":1774885158000,"BEGIN_DATE":1774828800000,"END_DATE":1777593599000,"DESCRIPTION":"Texas City Channel - Discharge Operation --- From: 2026-03-30 To: Until Further Notice --- The Dredge Barge MBI-09 will be discharging material near the Texas City Fleet Buffalo in the vicinity of Texas City Channel Light 17 (LLNR-26150).  When discharging, the barge may be in the channel up to 75 ft.  The T/V CHUCK BOONE will be the on-scene support vessel.  Mariners are requested to avoid meeting or overtaking near the barge. VHF-FM Channels: 12,13 or 78, POC: (832) 207-1360","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-94.87902,29.37987]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-94.87902,"DECIMAL_LATITUDE":29.37987}},{"type":"Feature","id":40225,"geometry":{"type":"Point","coordinates":[-94.88906999999995,29.365830000000074]},"properties":{"ESRI_OID":40225,"MSI_UID":40225,"ATU":8,"TITLE":"Galveston Bay Entrance Channel - Texas City Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116385094,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:texcitcha","WATERWAY_NAME":"Texas City Channel","CREATE_DATE":1774885159000,"MODIFIED_DATE":1774885234000,"BEGIN_DATE":1774483200000,"END_DATE":1782863999000,"DESCRIPTION":"Texas City Channel - Dredge Operation --- From: 2026-03-30 To: Until Further Notice --- The Dredge Barge MBI-10 will be working in the Texas City Channel near Texas City Dock 41.  Operations will take place 24-hours a day, 7-days a week.  The T/V ADMIRAL will be the on-scene support vessel.  The dredge requests 1-hour notice for Dock 41 ship traffic.  Mariners are urged to transit the area at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made.  VHF-FM Channels: 12, 13 or 78, POC: (985) 790-6862","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-94.88907,29.36583]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-94.88906999999999,"DECIMAL_LATITUDE":29.36583}},{"type":"Feature","id":40339,"geometry":{"type":"Point","coordinates":[-73.83999999999997,40.752500000000055]},"properties":{"ESRI_OID":40339,"MSI_UID":40339,"ATU":1,"TITLE":"East River Main Channel - Flushing Bay/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382136,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:easrivmaicha:flubay","WATERWAY_NAME":"Flushing Bay","CREATE_DATE":1775042390000,"MODIFIED_DATE":1775042413000,"BEGIN_DATE":1775001600000,"END_DATE":1779148799000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-05-05 To: 2026-05-18\n\nLocation:\n40-45-09.000N/073-50-24.000W\n\nEntech Engineering will be taking underwater photographs for submerged structures, in Flushing Creek, Queens, NY, in position 40-45-9N, 073-50-24W, from May 5, 2026, to May 18, 2026, Monday through Friday, between 9:00am to 3:00pm, local time. ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-73.84,40.7525]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-73.84,"DECIMAL_LATITUDE":40.752500000000005}},{"type":"Feature","id":40547,"geometry":{"type":"Point","coordinates":[-88.23603999999995,47.18906000000004]},"properties":{"ESRI_OID":40547,"MSI_UID":40547,"ATU":9,"TITLE":"Lake Superior/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116386336,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:lakhur:saimarriv:laksup","WATERWAY_NAME":"Lake Superior","CREATE_DATE":1775303335000,"MODIFIED_DATE":1775476084000,"BEGIN_DATE":1775088000000,"END_DATE":1790639999000,"DESCRIPTION":"MI – GRAND TRAVERSE BAY HARBOR - LAKE SUPERIOR – Dredging will be taking place inside the Grand Traverse Bay Harbor channel. Work will occur daily from 7 a.m. to 7 p.m. starting approximately 15Apr2026, or whenever channel is clear from ice, and extending to approximately 15Jun2026. A mechanical dredge barge (30’x50’x5’) and two hopper barges (20’x26’x5’) will be engaged in the operation. Channel width will allow traffic to pass outside the marked turbidity curtain. Contact with the operator can be made on VHF channel 16 during operations. Questions can be directed to Bluelinesitesolutions@outlook.com (CGD-GL)","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-88.23604,47.18906]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-88.23604,"DECIMAL_LATITUDE":47.18906}},{"type":"Feature","id":41057,"geometry":{"type":"Point","coordinates":[-76.32237999999995,36.98818000000006]},"properties":{"ESRI_OID":41057,"MSI_UID":41057,"ATU":5,"TITLE":"James River - Elizabeth River/General/Marine Construction (Excluding Bridges)/Boring and Core Samples","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Boring and Core Samples","WTRW_UID":100116382770,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:jamriv:eliriv","WATERWAY_NAME":"Elizabeth River","CREATE_DATE":1776166153000,"MODIFIED_DATE":1776167124000,"BEGIN_DATE":1776124800000,"END_DATE":1777766399000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Boring and Core Samples\n\nFrom: 2026-04-14 To: 2026-10-11\n\nLocation:\nNo coordinates available\nBetween 20 April and 01 May 2026, EA Engineering, Science, and Technology, Inc, PBC (EA) will be conducting sediment sampling operations within the Anchorage F area located immediately south and west of the Hampton Roads Bridge Tunnel northern portal island, west of Old Point Comfort, and west of the Norfolk Harbor Entrance Reach Channel. Sampling work will be performed aboard the R/V Virginia, a 93-foot research vessel owned and operated by Virginia Institute of Marine Science.  During the sediment sampling operations, the vessel will be anchored using a dynamic position system but may still have restricted maneuverability and requests a slow bell and no wake.  The R/V Virginia will be conducting sediment sampling operations with a sampling unit penetrating the riverbed and request a slow bell and no wake in vicinity of operations. A 30-minute advanced notice is requested for vessels that may require the use of the Anchorage F and Navy G Anchorages area.  The R/V Virginia will be monitoring VHF channels 13 and 16 and can be reached directly via cell phone by contacting the sampling field lead Mr. Michael\t Durbano (609-332-0534).\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-76.32238,36.98818]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-76.32238,"DECIMAL_LATITUDE":36.98818}},{"type":"Feature","id":41297,"geometry":{"type":"Point","coordinates":[-70.01632999999998,41.669790000000035]},"properties":{"ESRI_OID":41297,"MSI_UID":41297,"ATU":1,"TITLE":"Sector Southeastern New England, Territorial Sea - Sector Southeastern New England, Submerged Lands Act (SLA)/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116987495,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon:secsounewengtersea:secsounewengsublanact","WATERWAY_NAME":"Sector Southeastern New England, Submerged Lands Act (SLA)","CREATE_DATE":1776342302000,"MODIFIED_DATE":1776342312000,"BEGIN_DATE":1776297600000,"END_DATE":1777593599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2026-04-16 To: 2026-04-30\n\nLocation:\n41-40-11.244N/070-00-58.788W\n\nBarnstable County, Dredging Department will be conducting dredging operations in the Mill Creek Approach Channel, from April 17, 2026, to April 30, 2026, located in Nantucket Sound. Dredging will take place within the channel area with the dredge pipe running from the dredge to the discharge location at Cockle Cove. Equipment on scene will be the dredge boat ‘Sand Shifter’, one push boat – Stephen Bradbury and two small skiffs and approximately 2,500 feet of pipeline, monitoring VHF-FM CH 16. The dredge Sand Shifter is stationary and has limited maneuverability. The discharge pipe will be floating at times during dredging operations and may be blocking the channel. Cables extending on both the port and starboard side of the forward part of the dredge leading to anchors with floats marking their locations. When the Sand Shifter is not on location, a floating pontoon with dredge pipe secured to it will be anchored in the channel and it may be mistaken as an overturned boat. Mariners are requested to give adequate clearance to the equipment at all times.                                         \n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-70.01633,41.66979]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-70.01633,"DECIMAL_LATITUDE":41.66979}},{"type":"Feature","id":41304,"geometry":{"type":"Point","coordinates":[-70.54639999999995,41.55125000000004]},"properties":{"ESRI_OID":41304,"MSI_UID":41304,"ATU":1,"TITLE":"Sector Southeastern New England, Territorial Sea - Sector Southeastern New England, Submerged Lands Act (SLA)/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116987495,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon:secsounewengtersea:secsounewengsublanact","WATERWAY_NAME":"Sector Southeastern New England, Submerged Lands Act (SLA)","CREATE_DATE":1776343009000,"MODIFIED_DATE":1776343017000,"BEGIN_DATE":1776297600000,"END_DATE":1777593599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2026-04-20 To: 2026-04-30\n\nLocation:\n41-33-04.500N/070-32-47.040W\n\nBarnstable County, Dredging Department will be conducting dredging operations in the Mill Creek Approach Channel, from April 20, 2026, to April 30, 2026, between 7:00am to 4:30pm, located in Nantucket Sound. The Barnstable County dredge ‘Cod Fish II’ will be conducting dredge operations in the Eel Pond Approach Channel/Falmouth located in Nantucket Sound. Dredging will take place within the channel area with the dredge pipe running from the dredge to the discharge location to the west at Menauhant Beach. Equipment on scene will be the ‘Cod Fish II’, one Push boat – Sandman and two small skiffs and approximately 2,500 feet of pipeline and will be monitoring VHF-FM CH 16. The dredge Cod Fish II is stationary and has limited maneuverability. The discharge pipe will be floating at times during dredging operations and may be blocking the channel. There are yellow poly balls marking the location of the anchors of the dredge pipe throughout the pipe run. Cables extending on both the port and starboard side of the forward part of the dredge leading to anchors with floats marking their locations. When the Cod Fish II is not on location, a floating pontoon with dredge pipe secured to it will be anchored in the channel and it may be mistaken as an overturned boat. Mariners are requested to give adequate clearance to the equipment at all times.\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-70.5464,41.55125]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-70.5464,"DECIMAL_LATITUDE":41.551249999999996}},{"type":"Feature","id":41316,"geometry":{"type":"Point","coordinates":[-90.02960999999999,29.951250000000073]},"properties":{"ESRI_OID":41316,"MSI_UID":41316,"ATU":8,"TITLE":"South Pass - Head Of Passes To New Orleans/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116385067,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl","WATERWAY_NAME":"Head Of Passes To New Orleans","CREATE_DATE":1776344334000,"MODIFIED_DATE":1776344491000,"BEGIN_DATE":1776297600000,"END_DATE":1778371199000,"DESCRIPTION":"Mississippi River, Mile 92.5, AHOP - Vessel Repairs --- From: 2026-04-15 To: 2026-05-08 --- Buck Kreihs Marine Repair will be conducting bow repairs on the M/V AFRICAN BUZZARD along the RDB, near Mile 92.5, AHOP.  Operations will be conducted 24-hours a day, 7-days a week.  Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution.  VHF-FM Channel: 67,  POC: (504) 432-8086 ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.02961,29.95125]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.02960999999999,"DECIMAL_LATITUDE":29.951249999999998}},{"type":"Feature","id":41327,"geometry":{"type":"Point","coordinates":[-94.81748999999996,29.312170000000037]},"properties":{"ESRI_OID":41327,"MSI_UID":41327,"ATU":8,"TITLE":"Galveston Bay - Galveston Channel/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116384746,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:galbay:galcha","WATERWAY_NAME":"Galveston Channel","CREATE_DATE":1776348116000,"MODIFIED_DATE":1776349647000,"BEGIN_DATE":1776297600000,"END_DATE":1777593599000,"DESCRIPTION":"Galveston Channel - Dredge Operation --- From: 2026-04-16 To: Until Further Notice --- The Dredge GENERAL EISENHOWER is conducting dredging in the western portion of the Galveston Channel near Texas A&M.  Work will take place 24-hours a day, 7-days a week.  Floating rubber hose, subline pipe, and shore pipe will be used in the project area.  The dredge requests 1-hour notice for any Texas A&M dock vessel traffic.  Mariners are urged to transit the area at their slowest safe speed to minimize wake and proceed with caution.  VHF-FM Channels: 13 and 80, POC: (409) 370-0364","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-94.81749,29.31217]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-94.81748999999999,"DECIMAL_LATITUDE":29.31217}},{"type":"Feature","id":41462,"geometry":{"type":"Point","coordinates":[-72.08244999999994,41.343540000000075]},"properties":{"ESRI_OID":41462,"MSI_UID":41462,"ATU":1,"TITLE":"Long Island Sound Eastern Part - New London Harbor/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116381561,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:seclonislsouexcecozon:seclonislsoutersea:seclonislsousublanact:bloislsouandgarbay:lonislsoueaspar:newlonhar","WATERWAY_NAME":"New London Harbor","CREATE_DATE":1776433501000,"MODIFIED_DATE":1776433509000,"BEGIN_DATE":1776384000000,"END_DATE":1777593599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-04-22 To: 2026-04-30\n\nLocation:\n41-20-36.744N/072-04-56.820W\n\nGeneral Dynamics Electric Boat will be conducting vessel repairs, using a cofferdam exterior to the boat and near the waterline at the General Dynamics Electric Boat Graving Docks on the Thames River in Groton, CT, in position 41-20-36.772N, 072-4-56.838W, from April 22, 2026, to April 30, 2026, 24 hours a day. Mariners are urged to transit at their slowest safe speed to produce no wake in the area.\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-72.08245,41.34354]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-72.08245,"DECIMAL_LATITUDE":41.34354}},{"type":"Feature","id":41463,"geometry":{"type":"Point","coordinates":[-73.97593999999998,40.30322000000007]},"properties":{"ESRI_OID":41463,"MSI_UID":41463,"ATU":1,"TITLE":"Sector New York, Submerged Lands Act (SLA)/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382294,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact","WATERWAY_NAME":"Sector New York, Submerged Lands Act (SLA)","CREATE_DATE":1776434428000,"MODIFIED_DATE":1776434437000,"BEGIN_DATE":1776384000000,"END_DATE":1809129599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-05-01 To: 2027-04-30\n\nLocation:\n40-18-11.592N/073-58-33.384W\n\nJ.T. C;eary Inc. will be conducting pile driving operations in Long Branch, NJ, in position 40-18-11.6N, 073-58-33.4W, from May 1, 2026, to April 30, 2027, Monday through Friday, between 5:00am to 6:00pm. Equipment on scene will be an offshore trestle extending 200 feet from shore, monitoring VHF-FM CH 16.","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-73.97594,40.30322]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-73.97594,"DECIMAL_LATITUDE":40.303219999999996}},{"type":"Feature","id":41556,"geometry":{"type":"Point","coordinates":[-90.94871999999998,30.124550000000056]},"properties":{"ESRI_OID":41556,"MSI_UID":41556,"ATU":8,"TITLE":"New Orleans Harbor - New Orleans To Baton Rouge/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100119138784,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou","WATERWAY_NAME":"New Orleans To Baton Rouge","CREATE_DATE":1776700716000,"MODIFIED_DATE":1776706686000,"BEGIN_DATE":1776643200000,"END_DATE":1777679999000,"DESCRIPTION":"Mississippi River - Point Houmas - Dredge Operation --- From: 2026-04-20 To: 2026-04-30 --- The Dredge HENRY A is conducting maintenance dredging along the Mississippi River, LDB, near Mile 172.0, AHOP.  The dredge is located approximately 500 ft off the LDB.  Work will take place 24-hours a day, 7-days a week.  Additional on-scene vessels will include T/Vs ALTON J and DONYCE S.  Mariners are urged to transit the area with caution and at their slowest safe speed to minimize wake after passing arrangements have been made.  VHF-FM Channels: 6 and 67,  POC: Dredge (985) 703-2246","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.94872,30.12455]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.94872,"DECIMAL_LATITUDE":30.12455}},{"type":"Feature","id":41598,"geometry":{"type":"Point","coordinates":[-91.67186999999996,31.00242000000003]},"properties":{"ESRI_OID":41598,"MSI_UID":41598,"ATU":8,"TITLE":"Lower Mississippi River - Lower Old River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116381396,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:lowoldriv","WATERWAY_NAME":"Lower Old River","CREATE_DATE":1776706682000,"MODIFIED_DATE":1776954002000,"BEGIN_DATE":1776643200000,"END_DATE":1778371199000,"DESCRIPTION":"Mississippi River, Mile 304.0 - Old River - Old River Lock - Lock Delays ---From: 2026-05-04 To: 2026-05-08 --- Function tests for the new lifting truss to lift the emergency stoplogs will be conducted at Old River Lock.  Mariners will be subject to delays at the lock for up to 12-hours, during daylight hours.  Mariners can contact the Lockmaster for up-to-date information at (225) 492-3333.  POC: USACE (225) 492-2169 or (225) 202-3851","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-91.67187,31.00242]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-91.67187,"DECIMAL_LATITUDE":31.002419999999997}},{"type":"Feature","id":41837,"geometry":{"type":"Point","coordinates":[-90.98732999999999,30.116580000000056]},"properties":{"ESRI_OID":41837,"MSI_UID":41837,"ATU":8,"TITLE":"New Orleans Harbor - New Orleans To Baton Rouge/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100119138784,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou","WATERWAY_NAME":"New Orleans To Baton Rouge","CREATE_DATE":1776861604000,"MODIFIED_DATE":1776861793000,"BEGIN_DATE":1771372800000,"END_DATE":1782518399000,"DESCRIPTION":"Mississippi River - Material Offloading --- From: 2026-02-25 To: 2026-06-25 --- Material offloading will be conducted along the Mississippi River, LDB, near Mile 175.5, AHOP.  On-scene vessels will include hopper barges, towing vessels and a spud barge.  Mariners are urged to transit the area with caution.  POC: (337) 323-9373 or (337) 519-8883","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.98733,30.11658]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.98733,"DECIMAL_LATITUDE":30.11658}},{"type":"Feature","id":42089,"geometry":{"type":"Point","coordinates":[-89.42994999999996,29.211200000000076]},"properties":{"ESRI_OID":42089,"MSI_UID":42089,"ATU":8,"TITLE":"Sector New Orleans, Submerged Land Act (SLA) - Tiger Pass/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384957,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:tigpas","WATERWAY_NAME":"Tiger Pass","CREATE_DATE":1777045845000,"MODIFIED_DATE":1777048807000,"BEGIN_DATE":1776988800000,"END_DATE":1778025599000,"DESCRIPTION":"Red Pass - Tiger Pass - Dive Operation --- From: 2026-04-24 To: Until Further Notice --- U.S. Coast Guard contractors will be conducting dive operations on a submerged pipeline in Red Pass near approximate position 29-12-38.84N 089-25-50.43W.  Operations will take place from 6:00 a.m. to 6:00 p.m., daily.  Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made.  VHF-FM Channel: 10, POC:  (504) 201-9076\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-89.42995,29.2112]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-89.42994999999999,"DECIMAL_LATITUDE":29.2112}},{"type":"Feature","id":42106,"geometry":{"type":"Point","coordinates":[-94.81748999999996,29.312170000000037]},"properties":{"ESRI_OID":42106,"MSI_UID":42106,"ATU":8,"TITLE":"Galveston Bay - Galveston Channel/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116384746,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:galbay:galcha","WATERWAY_NAME":"Galveston Channel","CREATE_DATE":1777052633000,"MODIFIED_DATE":1777292888000,"BEGIN_DATE":1776297600000,"END_DATE":1778543999000,"DESCRIPTION":"Galveston Channel - Dredge Operation --- From: 2026-05-01 To: 2026-05-10 --- The Dredge GENERAL EISENHOWER will conduct dredging in the western portion of the Galveston Channel near Gulf Sulphur Services.  Work will take place 24-hours a day, 7-days a week.  Dredged material will be transported via pipeline to a placement area on Pelican Island.  Floating rubber hose, subline pipe, and shore pipe will be used in the project area.  Subline will run from behind the dredge, along the docks on the south side of the channel to City Dock 32, then cross the Galveston Channel to T&T Offshore.  Mariners are urged to transit the area at their slowest safe speed to minimize wake and proceed with caution.  VHF-FM Channels: 13 and 78, POC: (409) 370-0364","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-94.81749,29.31217]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-94.81748999999999,"DECIMAL_LATITUDE":29.31217}},{"type":"Feature","id":42145,"geometry":{"type":"Point","coordinates":[-88.42432999999994,34.25761000000006]},"properties":{"ESRI_OID":42145,"MSI_UID":42145,"ATU":8,"TITLE":"Tennessee Tombigbee River/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116385074,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:mobbay:mobbar:mobcha:mobriv:tomriv:tentomriv:mm327mm328","WATERWAY_NAME":"Tennessee Tombigbee River","CREATE_DATE":1777293708000,"MODIFIED_DATE":1777293978000,"BEGIN_DATE":1777248000000,"END_DATE":1777852799000,"DESCRIPTION":"Tennessee-Tombigbee River - Lock Closure --- From: 2026-04-30 To: 2026-05-02 --- Minor delays are expected at Fulton Lock, Mile 391.0, as maintenance staff will perform repairs to operating machinery.  During these repairs, the lock will not be able to pass vessel traffic.  The temporary lock schedule during repairs is listed below: \n• Closed: Starting at 6:00 p.m., April 30, 2026 \n• Open: Starting at 6:00 a.m., May 1, 2026 \n• Closed: Starting at 6:00 p.m., May 1, 2026\n• Open: Starting at 6:00 a.m., May 2, 2026 ","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-88.42433,34.25761]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-88.42433,"DECIMAL_LATITUDE":34.25761}},{"type":"Feature","id":42154,"geometry":{"type":"Point","coordinates":[-86.21463999999997,42.77305000000007]},"properties":{"ESRI_OID":42154,"MSI_UID":42154,"ATU":9,"TITLE":"LAKE MICHIGAN - Holland Harbor/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116386159,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:lakhur:lakmic:holhar","WATERWAY_NAME":"Holland Harbor","CREATE_DATE":1777295387000,"MODIFIED_DATE":1777295394000,"BEGIN_DATE":1777507200000,"END_DATE":1780444799000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2026-04-30 To: 2026-06-02\n\nLocation:\n42-46-22.980N/086-12-52.704W\n\nViking Marine will be conducting dredging in the outer harbor of Holland MI 24 hours a day 7 days a week. Dredge AJ can be contacted on VHF channel 78. :  Please contact the dredge operator on station 78 if necessary. The pipeline will route from the harbor roughly 2,000 feet to 5,500 feet south of the breakwater on the south side beach. There will be approximately 8,000’ of pipeline. The pipeline will be marked every 500’ with bright orange buoys and reflective tape. The disposal site will consist of a raised piece of plastic pipe placed on a steel yellow pontoon tank. The pontoon tank will have 4 orange flashing lights during night operations. We encourage ALL boaters to stay at least 250’ away from the yellow disposal pontoon. Please do not go near the pontoon. There will be pipeline inside the channel. The pipeline buoys and anchor buoys inside of the channel will be marked with lighting and reflective tape. Please avoid all buoys. Please proceed with caution.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-86.21464,42.77305]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-86.21464,"DECIMAL_LATITUDE":42.77305}},{"type":"Feature","id":42170,"geometry":{"type":"Point","coordinates":[-88.03527999999994,30.67240000000004]},"properties":{"ESRI_OID":42170,"MSI_UID":42170,"ATU":8,"TITLE":"Mobile Channel - Mobile River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116385077,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:mobbay:mobbar:mobcha:mobriv","WATERWAY_NAME":"Mobile River","CREATE_DATE":1777304239000,"MODIFIED_DATE":1777305341000,"BEGIN_DATE":1777248000000,"END_DATE":1789862399000,"DESCRIPTION":"Mobile River - Dredging and Construction --- From: 2026-05-18 To: 2026-09-18 --- Dredging and construction will be conducted at the Modern American Recycling and Radiological Services Dock (MARRS Dock) along the Mobile River.  Operations will be conducted 24-hours a day, 7-days a week.  Work will consist of new and maintenance dredging, ship ramp construction, bulkhead and relieving platform construction, and mooring dolphin installation.  The Crane Barge MARILYN G will be operating in the area with a temporary security/environmental floating boom anchored around the vessel.  The floating boom will move with the vessel throughout the project, while maintaining at least a 75 ft buffer from the toe of the federal channel.  Mariners are urged to transit the project area at their slowest safe speed to minimize wake.  VHF-FM Channel: 72,  POC: (945) 789-6295","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-88.03528,30.6724]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-88.03528,"DECIMAL_LATITUDE":30.672400000000003}},{"type":"Feature","id":42175,"geometry":{"type":"Point","coordinates":[-90.89289999999994,46.94765000000007]},"properties":{"ESRI_OID":42175,"MSI_UID":42175,"ATU":9,"TITLE":"Lake Superior - APOSTLE ISLANDS/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116386377,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:lakhur:saimarriv:laksup:apoisl","WATERWAY_NAME":"APOSTLE ISLANDS","CREATE_DATE":1777305574000,"MODIFIED_DATE":1777305580000,"BEGIN_DATE":1778371200000,"END_DATE":1790985599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-05-10 To: 2026-10-02\n\nKokosing Industrial will be conducting Stone Breakwall Construction at South End of Devils Island and at Little Sand Bay Marina in Wisconsin 0700-1900 7 days a week. Tug Nancy Anne can be contacted on VHF 13 and 16.  MM 142 barge and Sam II will be working on spuds with Tug Nancy Anne within 400' of Devil's Island.\nOperations primarily located on the south end of Devil's Island.\nPleasure craft and passing vessels should remain a distance of 500' from work at all times.MM 142 barge and Sam II will also be working on spuds with Tug Nancy Anne at Little Sand Bay Marina Operations primarily located within 500' of the Marina. Additional Barges may be moored on an anchor can buoy northwest of Little Sand Bay Marina. Anchor Buoy coordinates N 46°56'56.24\" W 90°53'40.21\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.8929,46.94765]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.8929,"DECIMAL_LATITUDE":46.947649999999996}},{"type":"Feature","id":42176,"geometry":{"type":"Point","coordinates":[-85.76777999999996,45.02526000000006]},"properties":{"ESRI_OID":42176,"MSI_UID":42176,"ATU":9,"TITLE":"LAKE HURON - LAKE MICHIGAN/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116386256,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:lakhur:lakmic","WATERWAY_NAME":"LAKE MICHIGAN","CREATE_DATE":1777305859000,"MODIFIED_DATE":1777305867000,"BEGIN_DATE":1777766400000,"END_DATE":1798761599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2026-05-03 To: 2026-12-31\n\nKokosing Industrial will be conducting Dock Construction and Dredging at NE Side of North Manitou Island, West of Leland, MI from 0700-1900 7 days a week. Tug WM Boyd can be contacted on vhf channels 13 and 16. Kokosing IV barge will be working on spuds with Tug WM Boyd within 750' of the island\nOperations primarily located on the NE side of North Manitou Island Pleasure craft and passing vessels should remain a safe distance from the work at all times. Additional barges will be moored on anchor buoys on the East side of the Island\nAnchor Buoy Coordinates N 45°07'4.98\" W 85°58'27.54\" and N 45°07'1.98\" W 85°58'27.12\"\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-85.76778,45.02526]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-85.76778,"DECIMAL_LATITUDE":45.025259999999996}},{"type":"Feature","id":42243,"geometry":{"type":"Point","coordinates":[-70.91755999999998,41.64461000000006]},"properties":{"ESRI_OID":42243,"MSI_UID":42243,"ATU":1,"TITLE":"New Bedford Channel - New Bedford Harbor Channel/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116382059,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secsounewengexcecozon:secsounewengtersea:secsounewengsublanact:buzbaymaicha:newbedcha:newbedharcha","WATERWAY_NAME":"New Bedford Harbor Channel","CREATE_DATE":1777371124000,"MODIFIED_DATE":1777371131000,"BEGIN_DATE":1777334400000,"END_DATE":1782518399000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-05-01 To: 2026-06-26\n\nLocation:\n41-38-40.596N/070-55-03.216W\n\nDW White Construction will be conducting marine construction operations on the Acushnet River, in position 41-38-40.30N, 070-55-03.24W, from May 1, 2026, to June 26, 2026, Monday through Thursday, between 6:00am to 11:00pm. Equipment on scene will be push boats SHEELAGH and ERIN ASHLEY and barges KS1502, POSEIDON SECTIONAL, and LITTLE JEFF, monitoring VHF-FM CH 13, 16, &71. Berm construction will take place during the work hours noted above. The work will take place without silt curtain so as not to impede the navigation of vessels in the channel.\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-70.91756,41.64461]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-70.91756,"DECIMAL_LATITUDE":41.64461}},{"type":"Feature","id":42341,"geometry":{"type":"Point","coordinates":[-87.32302999999996,30.331770000000063]},"properties":{"ESRI_OID":42341,"MSI_UID":42341,"ATU":8,"TITLE":"Pensacola Bay - Pensacola-Mobile/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116384689,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secmobexcecozon:secmobtersea:secmobsublanact:penbay:pen","WATERWAY_NAME":"Pensacola-Mobile","CREATE_DATE":1777395698000,"MODIFIED_DATE":1777397866000,"BEGIN_DATE":1777334400000,"END_DATE":1777593599000,"DESCRIPTION":"GIWW - Dredge Operation --- On: 2026-04-29 --- Cooper Marine will conduct drag-bar (bed leveling) operations within the GIWW, Mile 178.0, EHL, in the vicinity of Ft. McRee. Operations will take place during daylight hours only.  The Survey Vessel SEMINOLE will be the on-scene contact vessel.  Mariners should exercise extreme caution when transiting this area.  VHF-FM Channel: 13,  POC: USACE (850) 784-9780.\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-87.32303,30.33177]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-87.32303,"DECIMAL_LATITUDE":30.33177}},{"type":"Feature","id":42391,"geometry":{"type":"Point","coordinates":[-90.07011999999997,29.872120000000052]},"properties":{"ESRI_OID":42391,"MSI_UID":42391,"ATU":8,"TITLE":"New Orleans Harbor - Via Mississippi River And Harvey Canal/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116384713,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:viamisrivandharcan","WATERWAY_NAME":"Via Mississippi River And Harvey Canal","CREATE_DATE":1777401673000,"MODIFIED_DATE":1777464838000,"BEGIN_DATE":1777334400000,"END_DATE":1778284799000,"DESCRIPTION":"Harvey Canal - GIWW - Channel Closure/Dive Operations --- From: 2026-05-01 To: Until Further Notice --- The Harvey Canal/GIWW near the Lapalco Floodgate, Mile 2.8, WHL, will be closed to navigation from May 1, 2026 through May 7, 2026, 24-hours a day for municipal waterline repairs.  Throughout the duration of the closure, the Algiers Lock will remain in operation and can serve as an alternate route.  Upon completion of the full closure, operations will transition to daily short-term closures.  The waterway will be closed to marine traffic from 6:00 a.m. until 11:00 a.m., and 1:00 p.m. to 6:00 p.m.  Mariners are urged to transit the area at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made.  Updates and/or changes to the published schedule will be released by U.S. Coast Guard Sector New Orleans via Marine Safety Information Bulletin and/or Broadcast Notice to Mariners.  VHF-FM Channels: 13, POC: (504) 453-0009 or (504) 628-6391","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-90.07012,29.87212]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-90.07012,"DECIMAL_LATITUDE":29.87212}},{"type":"Feature","id":42463,"geometry":{"type":"Point","coordinates":[-87.63033999999999,41.887740000000065]},"properties":{"ESRI_OID":42463,"MSI_UID":42463,"ATU":9,"TITLE":"LAKE MICHIGAN - Chicago Harbor/General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes","WTRW_UID":100116386258,"MRN":"urn:mrn:iala:wwy:us:navIV:dis9:stlawsea:lakont:lowniariv:niariv:lakeri:wesendoflakeri:detriv:lakstcla:stclariv:lakhur:lakmic:chihar","WATERWAY_NAME":"Chicago Harbor","CREATE_DATE":1777465166000,"MODIFIED_DATE":1777465176000,"BEGIN_DATE":1777420800000,"END_DATE":1783295999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Facilities, Barriers, Manmade Reefs, Riprap, Jetties/Dikes\n\nFrom: 2026-04-29 To: 2026-07-05\n\nA work platform will be in place on the right descending bank of the Chicago River, between the N. Dearborn St. and N. Clark St. Bridges. Placement and work will start on April 29, 2026 through July 5, 2026. The platform is a Sectional Deck with Hull Dimensions of 24’ wide, 40’ long, and 30” high. It will be tied off while working to reface the concrete wall. Contact for Bulley and Andrews is Mr. Hector Capistran and his cell is 773-915-6249. The work platform is being provided by 5R and I will be the contact. Information is listed below.\n\n\n\n","COORDINATES_JSON":"{\"type\":\"Point\",\"coordinates\":[-87.63034,41.88774]}","COORDINATES_TYPE":"Point","DECIMAL_LONGITUDE":-87.63033999999999,"DECIMAL_LATITUDE":41.88774}}]}