{"type":"FeatureCollection","features":[{"type":"Feature","id":55113,"geometry":{"type":"Polygon","coordinates":[[[-122.47604999999999,37.83363000000003],[-122.47671999999994,37.83350000000007],[-122.47748999999999,37.833210000000065],[-122.47773999999998,37.832580000000064],[-122.47727999999995,37.832580000000064],[-122.47700999999995,37.83275000000003],[-122.47676999999999,37.83265000000006],[-122.47761999999994,37.83203000000003],[-122.47656999999998,37.831540000000075],[-122.47573999999997,37.83206000000007],[-122.47578999999996,37.832160000000044],[-122.47551999999996,37.832260000000076],[-122.47527999999994,37.83191000000005],[-122.47390999999999,37.83202000000006],[-122.47357999999997,37.832160000000044],[-122.47446999999994,37.83353000000005],[-122.47604999999999,37.83363000000003]]]},"properties":{"ESRI_OID":55113,"MSI_UID":55113,"ATU":11,"TITLE":"Golden Gate Bridge - San Francisco Bay/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116385418,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay","WATERWAY_NAME":"San Francisco Bay","CREATE_DATE":1791298899000,"MODIFIED_DATE":1791311445000,"BEGIN_DATE":1791244800000,"END_DATE":1793318399000,"DESCRIPTION":"Curtin Maritime (CMC) will conduct maintenance dredging within the existing U.S. Coast Guard entrance channel and dock at Horseshoe Cove from on or about October 22, 2026, through on or about October 28, 2026. Operations will be conducted Monday through Friday from 0700 to 1700. Dredging will begin in the entrance channel adjacent to the jetty, progress northwest, and then proceed inbound to the U.S. Coast Guard dock. Mechanical dredging will be performed by DB Ironbound (150 feet by 54 feet by 9 feet), with material loaded into scows Arrow Point and Long Point, each with a 1,450-cubic-yard capacity, and transported to the Alcatraz Disposal Site, SF-11, at approximately 37.82167, -122.41112, or the Montezuma Wetlands Restoration Project Dock at approximately 38.07194, -121.85944. Support tugs Emma C, Seanna C, Navy Bean, and Gretchen C will be involved. Equipment will remain lit during hours of darkness. All manned equipment will monitor VHF-FM channels 13, 14, and 16. For more information, contact Project Manager Alexandro Rodriguez at (562) 241-2350. Mariners are urged to proceed with caution after passing arrangements have been made. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-122.47605,37.83363],[-122.47672,37.8335],[-122.47749,37.83321],[-122.47774,37.83258],[-122.47728,37.83258],[-122.47701,37.83275],[-122.47677,37.83265],[-122.47762,37.83203],[-122.47657,37.83154],[-122.47574,37.83206],[-122.47579,37.83216],[-122.47552,37.83226],[-122.47528,37.83191],[-122.47391,37.83202],[-122.47358,37.83216],[-122.47447,37.83353],[-122.47605,37.83363]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":55119,"geometry":{"type":"Polygon","coordinates":[[[-118.39039999999994,33.35600000000005],[-118.39039999999994,32.52317000000005],[-117.63199999999995,32.52317000000005],[-117.63199999999995,33.35600000000005],[-118.39039999999994,33.35600000000005]]]},"properties":{"ESRI_OID":55119,"MSI_UID":55119,"ATU":11,"TITLE":"Sector San Diego, Territorial Sea - Sector San Diego, Submerged Lands Act (SLA)/General/Marine Construction (Excluding Bridges)/Survey Operations","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Survey Operations","WTRW_UID":100116385453,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsandieexcecozon:secsandietersea:secsandiesublanact","WATERWAY_NAME":"Sector San Diego, Submerged Lands Act (SLA)","CREATE_DATE":1791300180000,"MODIFIED_DATE":1791311441000,"BEGIN_DATE":1791244800000,"END_DATE":1792454399000,"DESCRIPTION":"The Scripps Institution of Oceanography research vessel SALLY RIDE (Call Sign WSAF) will conduct 24-hour surface-to-floor oceanographic operations from October 15 through October 18, 2026, within the area bounded by the following coordinates:\n\n 33.356000, -118.390400; \n33.356000, -117.632000; \n32.523167, -117.632000; and \n32.523167, -118.390400. \n\nThe exact timing and location of each station will depend on operational concerns and weather conditions. During over-the-side operations, R/V SALLY RIDE will be restricted in its ability to maneuver; all traffic is requested to give the vessel a wide berth. The vessel will monitor VHF-FM channels 16 and 13. For more information, contact the vessel master at sr-master@ucsd.edu or Heather Galiher at 858-226-8761. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-118.3904,33.356],[-118.3904,32.52317],[-117.632,32.52317],[-117.632,33.356],[-118.3904,33.356]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":55121,"geometry":{"type":"Polygon","coordinates":[[[-118.21606999999995,33.731610000000046],[-118.21593999999999,33.727070000000026],[-118.20669999999996,33.727070000000026],[-118.20692999999994,33.73153000000008],[-118.21606999999995,33.731610000000046]]]},"properties":{"ESRI_OID":55121,"MSI_UID":55121,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea - Sector Los Angeles, Submerged Land Act (SLA)/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":100116385490,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact","WATERWAY_NAME":"Sector Los Angeles, Submerged Land Act (SLA)","CREATE_DATE":1791300772000,"MODIFIED_DATE":1791311437000,"BEGIN_DATE":1791244800000,"END_DATE":1792281599000,"DESCRIPTION":"Gregg Drilling and Testing will conduct drilling operations from October 11 through October 16, 2026, in the vicinity of Long Beach Outer Harbor Anchorage B at approximately 33.72940, -118.21522 (Charts 18751 and 18749). The R/V QUIN DELTA will be on scene monitoring VHF-FM channels 16, 13, and 74. Mariners are advised to use caution when transiting the area. For further comments or details, contact Captain Tim O’Donnell at (949) 254-5190 or by email at BEARatSEA@gmail.com. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-118.21607,33.73161],[-118.21594,33.72707],[-118.2067,33.72707],[-118.20693,33.73153],[-118.21607,33.73161]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":55122,"geometry":{"type":"Polygon","coordinates":[[[-118.12186999999994,33.74660000000006],[-118.11968999999999,33.74046000000004],[-118.11753999999996,33.74432000000007],[-118.11826999999994,33.74460000000005],[-118.11998999999997,33.74582000000004],[-118.12186999999994,33.74660000000006]]]},"properties":{"ESRI_OID":55122,"MSI_UID":55122,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea - Sector Los Angeles, 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":100116385490,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact","WATERWAY_NAME":"Sector Los Angeles, Submerged Land Act (SLA)","CREATE_DATE":1791301639000,"MODIFIED_DATE":1791311432000,"BEGIN_DATE":1791244800000,"END_DATE":1796169599000,"DESCRIPTION":"Manson Construction Co. will conduct hydraulic maintenance dredging of the Alamitos Bay Entrance Channel using the cutter suction dredge HR Morris. Operations will occur at approximately 33.74322, -118.12089 (NOAA Chart 18749), beginning on or about October 12, 2026, and concluding on or before November 30, 2026. Operations will be conducted 24 hours a day, 7 days a week. Vessels involved include dredge HR Morris (Call Sign WCZ5434), DB Freya (Call Sign WDA4208), dredge tender Pup (Call Sign WAB4086), dredge tender Cub (Call Sign WCZ5656), and survey boat Rustler (Call Sign WAB4086). Vessels will monitor VHF-FM channels 16 and 67. Dredged material will be transported through floating and shore pipeline to the disposal area at Peninsula Beach. Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made. For more information, contact dredge HR Morris at 562-762-5449. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-118.12187,33.7466],[-118.11969,33.74046],[-118.11754,33.74432],[-118.11827,33.7446],[-118.11999,33.74582],[-118.12187,33.7466]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":55213,"geometry":{"type":"Polygon","coordinates":[[[-90.69082999999995,39.00625000000008],[-90.69150999999994,39.005810000000054],[-90.68754999999999,39.000860000000046],[-90.68661999999995,39.00126000000006],[-90.69082999999995,39.00625000000008]]]},"properties":{"ESRI_OID":55213,"MSI_UID":55213,"ATU":2,"TITLE":"Lower Mississippi River - Upper Mississippi 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":100116381438,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:uppmisriv","WATERWAY_NAME":"Upper Mississippi River","CREATE_DATE":1791373976000,"MODIFIED_DATE":1791385016000,"BEGIN_DATE":1791331200000,"END_DATE":1793577599000,"DESCRIPTION":"Continuing through October 2026, construction will be conducted for a new 50 ft diameter guide cell downstream of Lock and Dam 25.  The new guide cell will be constructed approximately 340 ft downstream of the existing guide cell.  Intermittent periods of active construction will take place adjacent to the navigation channel throughout the duration of the project.  L/D 25 will be closed from 7:00 a.m. to 7:00 p.m., on October 13, 2026.  Additional Lock closures may be required as construction of the guide cell continues.  Mariners should be on the lookout for construction activities and related equipment to include barges, cranes, and work boats that will be operating in the area.  All vessels should be alert for, and abide by, any special instructions that may be issued by the Lockmaster.  Mariners may contact the Lockmaster via VHF-FM Channel 14, or at (636) 566-8120, for further information.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-90.69083,39.00625],[-90.69151,39.00581],[-90.68755,39.00086],[-90.68662,39.00126],[-90.69083,39.00625]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":55328,"geometry":{"type":"Polygon","coordinates":[[[-93.32879999999994,29.79708000000005],[-93.32960999999995,29.79693000000003],[-93.32760999999994,29.79448000000008],[-93.32661999999999,29.793610000000058],[-93.32532999999995,29.79206000000005],[-93.32532999999995,29.790950000000066],[-93.32753999999994,29.787990000000036],[-93.32743999999997,29.787870000000055],[-93.32858999999996,29.786510000000078],[-93.33034999999995,29.785510000000045],[-93.33162999999996,29.785100000000057],[-93.33254999999997,29.78523000000007],[-93.33392999999995,29.78511000000003],[-93.33746999999994,29.78403000000003],[-93.33939999999996,29.78236000000004],[-93.34076999999996,29.780290000000036],[-93.34069999999997,29.779810000000055],[-93.34392999999994,29.776290000000074],[-93.34297999999995,29.775570000000073],[-93.33930999999995,29.779330000000073],[-93.34052999999994,29.780030000000068],[-93.34006999999997,29.78048000000007],[-93.33814999999998,29.78195000000005],[-93.33663999999999,29.783250000000066],[-93.33384999999998,29.784050000000036],[-93.33026999999998,29.784610000000043],[-93.32804999999996,29.786020000000065],[-93.32592999999997,29.788310000000024],[-93.32443999999998,29.790500000000065],[-93.32444999999996,29.791950000000043],[-93.32575999999995,29.794110000000046],[-93.32720999999998,29.795660000000055],[-93.32879999999994,29.79708000000005]]]},"properties":{"ESRI_OID":55328,"MSI_UID":55328,"ATU":8,"TITLE":"Sector Houston-Galveston, Submerged Land Act (SLA) - Calcasieu Channel/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":1791387023000,"MODIFIED_DATE":1791389125000,"BEGIN_DATE":1791331200000,"END_DATE":1793491199000,"DESCRIPTION":"Calcasieu Channel – Calcasieu Loop – Dredge Operation --- From: 2026-10-10 To: 2026-10-30 --- The Dredge GENERAL ARNOLD will be conducting dredging along the Calcasieu Channel in the southern end of the Calcasieu Loop.  The dredge will set up along the green side of the channel, swinging across the channel on anchors that will be set outside of the channel on either side.  The Booster Barge CAL 2109 will be connected to the dredge operation via pipeline and will be located in the northeast portion of the Calcasieu Loop in approximate position 29-47-48.73N 093-19-43.2W.  A combination of submerged steel pipeline and floating rubber hose will connect the dredge to the shore pipe.  Submerged steel subline will be placed behind the dredge along the channel toe to extend the dredge’s reach.  Additional on-scene vessels will include the T/Vs CHARLES J. CENAC, SEA HIPPO, and GYSGT BASILONE, Anchor Barge CALLEN 2104, Booster Barge 2109, and the Crew Boat LOWYN MARIE.  Vessels are requested to avoid fishing or trawling within the area of the dredge pipeline, to avoid damage to nets, vessels, and project equipment.  Mariners are urged to transit the area at their slowest safe speed to minimize wake and proceed with caution.  VHF-FM Channel: 13, 16 and 82, POC: (630) 207-5196","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-93.3288,29.79708],[-93.32961,29.79693],[-93.32761,29.79448],[-93.32662,29.79361],[-93.32533,29.79206],[-93.32533,29.79095],[-93.32754,29.78799],[-93.32744,29.78787],[-93.32859,29.78651],[-93.33035,29.78551],[-93.33163,29.7851],[-93.33255,29.78523],[-93.33393,29.78511],[-93.33747,29.78403],[-93.3394,29.78236],[-93.34077,29.78029],[-93.3407,29.77981],[-93.34393,29.77629],[-93.34298,29.77557],[-93.33931,29.77933],[-93.34053,29.78003],[-93.34007,29.78048],[-93.33815,29.78195],[-93.33664,29.78325],[-93.33385,29.78405],[-93.33027,29.78461],[-93.32805,29.78602],[-93.32593,29.78831],[-93.32444,29.7905],[-93.32445,29.79195],[-93.32576,29.79411],[-93.32721,29.79566],[-93.3288,29.79708]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":55339,"geometry":{"type":"Polygon","coordinates":[[[-118.27624999999995,33.715100000000064],[-118.27693,33.71428000000003],[-118.27506999999997,33.71316000000007],[-118.27444999999994,33.714080000000024],[-118.27624999999995,33.715100000000064]]]},"properties":{"ESRI_OID":55339,"MSI_UID":55339,"ATU":11,"TITLE":"Sector Los Angeles, Territorial Sea - Sector Los Angeles, Submerged Land Act (SLA)/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":100116385490,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact","WATERWAY_NAME":"Sector Los Angeles, Submerged Land Act (SLA)","CREATE_DATE":1791390407000,"MODIFIED_DATE":1791395880000,"BEGIN_DATE":1791331200000,"END_DATE":1792799999000,"DESCRIPTION":"Gregg Drilling and Testing will conduct drilling operations from October 19 through October 22, 2026, in the vicinity of the Los Angeles Channel Turning Basin (Outer), Pier 46, at approximately 33.71450, -118.27540 (Charts 18751 and 18749). The R/V QUIN DELTA will be on scene monitoring VHF-FM channels 16, 13, and 73. Mariners are advised to use caution when transiting the area. For further comments or details, contact Captain Tim O’Donnell at (949) 254-5190 or by email at BEARatSEA@gmail.com. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-118.27625,33.7151],[-118.27693,33.71428],[-118.27507,33.71316],[-118.27445,33.71408],[-118.27625,33.7151]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":55342,"geometry":{"type":"Polygon","coordinates":[[[-117.51757999999995,32.63281000000006],[-117.53319999999997,32.63281000000006],[-117.53302999999994,32.61748000000006],[-117.51757999999995,32.61748000000006],[-117.51757999999995,32.63281000000006]]]},"properties":{"ESRI_OID":55342,"MSI_UID":55342,"ATU":11,"TITLE":"Sector San Diego, Exclusive Economic Zone (EEZ)/General/Marine Construction (Excluding Bridges)/Survey Operations","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Survey Operations","WTRW_UID":100116385526,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsandieexcecozon","WATERWAY_NAME":"Sector San Diego, Exclusive Economic Zone (EEZ)","CREATE_DATE":1791390855000,"MODIFIED_DATE":1791395918000,"BEGIN_DATE":1791331200000,"END_DATE":1792195199000,"DESCRIPTION":"The Scripps Institution of Oceanography research vessel ROBERT GORDON SPROUL (Call Sign WSQ-2674) will conduct surface-to-floor oceanographic operations on October 15, 2026, in the vicinity of 32.6258, -117.5216. The exact timing and location of each station will depend on operational concerns and weather conditions. During over-the-side operations, the vessel will be restricted in its ability to maneuver; all traffic is requested to give ROBERT GORDON SPROUL a wide berth. The vessel will monitor VHF-FM channels 16 and 13. For further comments or details, contact Heather Galiher at 858-226-8761. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-117.51758,32.63281],[-117.5332,32.63281],[-117.53303,32.61748],[-117.51758,32.61748],[-117.51758,32.63281]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":55355,"geometry":{"type":"Polygon","coordinates":[[[-117.90620999999999,33.606580000000065],[-117.90634999999997,33.606250000000045],[-117.90585999999996,33.60612000000003],[-117.90563999999995,33.606400000000065],[-117.90620999999999,33.606580000000065]]]},"properties":{"ESRI_OID":55355,"MSI_UID":55355,"ATU":11,"TITLE":"Sector Los Angeles, Submerged Land Act (SLA) - Newport 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":100116385463,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:seclosangexcecozon:seclosangtersea:seclosangsublanact:newbay","WATERWAY_NAME":"Newport Bay","CREATE_DATE":1791394900000,"MODIFIED_DATE":1791396047000,"BEGIN_DATE":1791331200000,"END_DATE":1794959999000,"DESCRIPTION":"CPS Consulting will conduct marine construction operations to remove and replace an existing floating dock system at 503 Edgewater Place, Newport Beach, California, at approximately 33.605938, -117.906097. Work is expected to begin on October 15, 2026, and be completed by November 16, 2026. The project includes removal and replacement of an existing 3,238.5-square-foot floating dock, two gangways, two gangway platforms, eight 20-inch round marina guide pilings, and two 14-inch T-pilings with a new 2,160.3-square-foot floating dock, one gangway and gangway platform, seven 18-inch square marina guide pilings, and one 14-inch T-piling. Operations will utilize the “BB,” a Kansas City Steel Co. 20-foot by 40-foot barge with a 100-horsepower engine. VHF-FM Channel 16 will be monitored if used. For more information, contact Kenny Vick at 949-524-0018. All mariners are advised to transit the area with caution.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-117.90621,33.60658],[-117.90635,33.60625],[-117.90586,33.60612],[-117.90564,33.6064],[-117.90621,33.60658]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":55369,"geometry":{"type":"Polygon","coordinates":[[[-77.27752999999996,37.35391000000004],[-77.27819999999997,37.35287000000005],[-77.27182999999997,37.35069000000004],[-77.26794999999998,37.34558000000004],[-77.26784999999995,37.342700000000036],[-77.27464999999995,37.334820000000036],[-77.27268999999995,37.333980000000054],[-77.26617999999996,37.34182000000004],[-77.26590999999996,37.34489000000008],[-77.27149999999995,37.35174000000006],[-77.27752999999996,37.35391000000004]]]},"properties":{"ESRI_OID":55369,"MSI_UID":55369,"ATU":5,"TITLE":"Chesapeake Channel - James River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116382605,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:jamriv","WATERWAY_NAME":"James River","CREATE_DATE":1791399000000,"MODIFIED_DATE":1791399151000,"BEGIN_DATE":1791936000000,"END_DATE":1796169599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2026-10-14 To: 2026-12-01\n\nBeginning 14 October thru 25 November, twenty-four hours a day seven days a week, Cotrell Contracting Corporation advises that the Dredge Lexington will be conducting dredging operations on the James River at Richmond Deepwater Terminal to Hopewell. Dredge operations will be conducted between James River Channel Light 124 and James River Channel Light 133. Prior to approach, the dredge can be reached via VHF-FM channels 13 and 16. For emergencies, the operator can be contacted at (757) 635-2578. All vessels, giving notice of approach  please contact the dredge at least one hour prior. All mariners are requested to stay clear of the dredge, pipelines, barge, derricks and operating wires about the dredge. All operators should be aware that the dredge and pontoon lines are held in place by cables, which are attached to anchors some distance from  the dredge and pontoons. Mariners are requested to exercise extreme caution when approaching, passing and leaving the dredging plant. Owners and lessees of fishnets, crabpots and other structures that may be in the vicinity and that may hinder the free navigation of attending vessels and equipment must remove these from the area where tugs, tenderboats and other attendant equipment will be navigating. MSI #55369.\n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-77.27753,37.35391],[-77.2782,37.35287],[-77.27183,37.35069],[-77.26795,37.34558],[-77.26785,37.3427],[-77.27465,37.33482],[-77.27269,37.33398],[-77.26618,37.34182],[-77.26591,37.34489],[-77.2715,37.35174],[-77.27753,37.35391]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":55458,"geometry":{"type":"Polygon","coordinates":[[[-74.15499999999997,39.79221000000007],[-74.16009999999994,39.79138000000006],[-74.16295999999994,39.79194000000007],[-74.16336999999999,39.79074000000003],[-74.16029999999995,39.79021000000006],[-74.15473999999995,39.79021000000006],[-74.15499999999997,39.79221000000007]]]},"properties":{"ESRI_OID":55458,"MSI_UID":55458,"ATU":5,"TITLE":"New Jersey Intracoastal Waterway - Oyster Creek Channel/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116382917,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secdelbayexcecozon:secdelbaytersea:secdelbaysublanact:capmayinl:newjerintwat:oyscrecha","WATERWAY_NAME":"Oyster Creek Channel","CREATE_DATE":1791474101000,"MODIFIED_DATE":1791474138000,"BEGIN_DATE":1791417600000,"END_DATE":1796860799000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2026-10-08 To: 2026-12-09\n\nLocation:\n39-47-31.956N/074-09-18.000W\n39-47-24.756N/074-09-17.064W\n39-47-24.756N/074-09-37.080W\n39-47-26.664N/074-09-48.132W\n39-47-30.984N/074-09-46.656W\n39-47-28.968N/074-09-36.360W\n39-47-31.956N/074-09-18.000W\n\nAll Mariners please be advised that maintenance dredging of the New Jersey Intracoastal Waterway near Oyster Creek, NJ will commence on or about October 7, 2026, and continue until December 4, 2026. The Dredge Montgomery will be dredging east to west, starting at Buoy 39 and ending at Buoy 42. Dredging will be conducted 24 hours a day in three 8-hour shifts, Monday through Saturday. The Dredge Montgomery will monitor VHF radio channels 11, 13 and 16. Mariners are advised to transit the area with caution. MSI #55458.\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-74.155,39.79221],[-74.1601,39.79138],[-74.16296,39.79194],[-74.16337,39.79074],[-74.1603,39.79021],[-74.15474,39.79021],[-74.155,39.79221]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":55471,"geometry":{"type":"Polygon","coordinates":[[[-73.84874999999994,40.769330000000025],[-73.85058999999995,40.768770000000075],[-73.84839999999997,40.76485000000008],[-73.84623999999997,40.76428000000004],[-73.84421999999995,40.76433000000003],[-73.84348999999997,40.76574000000005],[-73.84449999999998,40.765450000000044],[-73.84618999999998,40.76618000000008],[-73.84726999999998,40.76643000000007],[-73.84852999999998,40.76807000000008],[-73.84805999999998,40.76834000000008],[-73.84807999999998,40.768590000000074],[-73.84854999999999,40.768680000000074],[-73.84876999999994,40.768680000000074],[-73.84893999999997,40.76919000000004],[-73.84874999999994,40.769330000000025]]]},"properties":{"ESRI_OID":55471,"MSI_UID":55471,"ATU":1,"TITLE":"East River Main Channel - Flushing Bay/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116382136,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:secnewyorexcecozon:secnewyortersea:secnewyorsublanact:ambcha:maicha:easrivmaicha:flubay","WATERWAY_NAME":"Flushing Bay","CREATE_DATE":1791475526000,"MODIFIED_DATE":1791475531000,"BEGIN_DATE":1791417600000,"END_DATE":1800143999000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2026-10-12 To: 2027-01-16\n\nMaintenance dredging operations are scheduled to occur from 12 October 2026 through 15 December 2026 in the vicinity of Flushing Asphalt, LLC, near 120-01 31st Avenue, Flushing, NY. Work is expected to occur daily from 6:00 a.m. to 6:00 p.m., with the potential for continuous 24-hour operations. Operations will involve a clamshell dredge, spud barge, hopper barges, pushboat, and occasional tug assistance. Mariners are advised to use caution, maintain a safe speed and wake, and contact on-scene vessels as necessary when transiting the area.\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-73.84875,40.76933],[-73.85059,40.76877],[-73.8484,40.76485],[-73.84624,40.76428],[-73.84422,40.76433],[-73.84349,40.76574],[-73.8445,40.76545],[-73.84619,40.76618],[-73.84727,40.76643],[-73.84853,40.76807],[-73.84806,40.76834],[-73.84808,40.76859],[-73.84855,40.76868],[-73.84877,40.76868],[-73.84894,40.76919],[-73.84875,40.76933]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}}]}