{"type":"FeatureCollection","features":[{"type":"Feature","id":53900,"geometry":{"type":"Polygon","coordinates":[[[-89.94321999999994,37.98082000000005],[-89.94361999999995,37.980620000000044],[-89.94233999999994,37.979310000000055],[-89.94143999999994,37.978360000000066],[-89.93998999999997,37.97684000000004],[-89.93769999999995,37.97491000000008],[-89.93708999999996,37.97512000000006],[-89.93819999999994,37.97585000000004],[-89.94042999999994,37.977730000000065],[-89.94169999999997,37.979070000000036],[-89.94321999999994,37.98082000000005]]]},"properties":{"ESRI_OID":53900,"MSI_UID":53900,"ATU":2,"TITLE":"Lower Mississippi River - Kaskaskia River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116381297,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:kasriv","WATERWAY_NAME":"Kaskaskia River","CREATE_DATE":1789644499000,"MODIFIED_DATE":1789646343000,"BEGIN_DATE":1789603200000,"END_DATE":1790294399000,"DESCRIPTION":"Continuing through September 23, 2026, the Dredge PATHFINDER is conducting dredging operations in the vicinity of Costello L/D, between approximate Miles 0.6 and 0.0.  Operations will be conducted from 6:00 a.m. until 6:00 p.m., daily.  No recreational mooring behind the downstream guide wall, or within 1,600-ft below the dam, will be allowed.  Dredge PATHFINDER will monitor VHF-FM Channel 13 or 16.  Mariners are urged to transit the area at their slowest safe speed to minimize their wake and proceed with caution after passing arrangements have been made.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-89.94322,37.98082],[-89.94362,37.98062],[-89.94234,37.97931],[-89.94144,37.97836],[-89.93999,37.97684],[-89.9377,37.97491],[-89.93709,37.97512],[-89.9382,37.97585],[-89.94043,37.97773],[-89.9417,37.97907],[-89.94322,37.98082]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":53921,"geometry":{"type":"Polygon","coordinates":[[[-122.38080999999994,37.67840000000007],[-122.38098999999994,37.67158000000006],[-122.38747999999998,37.671470000000056],[-122.38778999999994,37.668660000000045],[-122.38881999999995,37.668220000000076],[-122.39263999999997,37.668150000000026],[-122.39272999999997,37.66661000000005],[-122.39514999999994,37.66548000000006],[-122.39425999999997,37.66462000000007],[-122.39183999999995,37.66591000000005],[-122.38864999999998,37.66601000000003],[-122.38735999999994,37.664900000000046],[-122.38596999999999,37.66502000000003],[-122.38537999999994,37.666810000000055],[-122.38616999999999,37.66757000000007],[-122.38424999999995,37.66849000000008],[-122.38110999999998,37.66825000000006],[-122.38113999999996,37.66307000000006],[-122.36747999999994,37.66283000000004],[-122.36743999999999,37.67819000000003],[-122.38080999999994,37.67840000000007]]]},"properties":{"ESRI_OID":53921,"MSI_UID":53921,"ATU":11,"TITLE":"San Francisco Oakland Bay Bridge West Crossing - San Francisco Bay North Channel/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116385434,"MRN":"urn:mrn:iala:wwy:us:navXII:dis11:secsanfraexcecozon:secsanfratersea:secsanfrasublanact:enttosanfrabay:golgatbri:sanfrabay:sanfraoakbaybriwescro:sanfrabaynorcha","WATERWAY_NAME":"San Francisco Bay North Channel","CREATE_DATE":1789663378000,"MODIFIED_DATE":1789678658000,"BEGIN_DATE":1789689600000,"END_DATE":1796169599000,"DESCRIPTION":"Curtin Maritime will be conducting maintenance dredging operations for the San Francisco Bay Area Water Emergency Transportation Authority and the San Mateo County Harbor District from September 25, 2026, to November 30, 2026. Operations will be conducted daily from 6:00 a.m. to 6:00 p.m.\n\nThe work will occur near Oyster Point Channel in the South San Francisco Ferry Terminal basin and the Oyster Point Marina Dock 11 and Guest Dock areas. Mooring for scow barges will be established at approximately 37.66644, -122.37811.\n\nThe dredge DB Ironbound, scows Arrow Point and Long Point, and support tugs Emma C, Seanna C, and Navy Bean will be on scene. A tug will be stationed on-site 24 hours a day to monitor moored vessels. All manned equipment will monitor VHF-FM Channels 13, 14, and 16. Mariners are urged to proceed with caution after passing arrangements have been made.\n\nFor more details or comments, contact Alexandro Rodriguez at (562) 241-2350 or arodriguez@curtinmaritime.com. 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LLC will conduct improvement dredging for the New Haven Harbor Federal Navigation Project in New Haven Harbor, New Haven, CT, from October 2026 through March 2027. Work will occur 24 hours per day, 7 days per week, in the New Haven Harbor Main Ship Channel and Turning Basin, with dredged material placement at the Shellfish Habitat Disposal Area, Morris Cove Borrow Pit Disposal Area, West River Borrow Pit Disposal Area, and Long Island Sound Disposal Site. Equipment on scene will include Dredge 54, Dredge 58, Tug SMITH PRIVATEER, Tug SMITH PREDATOR, Tug LARRY J HEBERT, multiple scows, support vessels, and associated equipment. Mariners are requested to contact the dredges and support vessels on VHF-FM channels 13 or 16 to make passing arrangements. Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made. For additional information, contact Johan VanBladel at 630-235-9612 or JVanBladel@gldd.com.\n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-72.90721,41.29751],[-72.91038,41.29503],[-72.9109,41.2921],[-72.91253,41.29148],[-72.91274,41.29019],[-72.9115,41.2891],[-72.91321,41.27958],[-72.91244,41.27184],[-72.91836,41.23432],[-72.9076,41.21799],[-72.9061,41.21845],[-72.9155,41.23334],[-72.91614,41.23598],[-72.91066,41.27289],[-72.91137,41.27958],[-72.91086,41.28226],[-72.90958,41.28313],[-72.90849,41.29257],[-72.90583,41.29664],[-72.90721,41.29751]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":53932,"geometry":{"type":"Polygon","coordinates":[[[-90.06344999999999,38.01021000000003],[-90.06410999999997,38.008500000000026],[-90.05922999999996,38.00772000000006],[-90.05390999999997,38.006260000000054],[-90.05325999999997,38.007580000000075],[-90.05757999999997,38.00912000000005],[-90.06344999999999,38.01021000000003]]]},"properties":{"ESRI_OID":53932,"MSI_UID":53932,"ATU":2,"TITLE":"Lower Mississippi River - Upper Mississippi River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","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":1789666725000,"MODIFIED_DATE":1789668819000,"BEGIN_DATE":1789603200000,"END_DATE":1790380799000,"DESCRIPTION":"Commencing September 18, 2026, and continuing until September 24, 2026, the Dredge POTTER will be conducting dredging operations in the vicinity of Mile 125.5.  Work will be conducted 24-hours a day, 7-days a week.  Dredged material will be pumped through a pontoon pipeline or self-floating pipeline, which may cross the channel and will be placed outside of the navigation channel.  Mariners should be on the lookout for tender boats, barges, small survey boats, and pipeline when transiting the dredge project area.  The Dredge POTTER will monitor VHF-FM Channel 13 or 16, and requests 30-minutes advance notice of passage.  Vessels are urged to transit the area at their slowest safe speed and proceed with caution after passing arrangements have been made.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-90.06345,38.01021],[-90.06411,38.0085],[-90.05923,38.00772],[-90.05391,38.00626],[-90.05326,38.00758],[-90.05758,38.00912],[-90.06345,38.01021]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":53940,"geometry":{"type":"Polygon","coordinates":[[[-93.23955999999998,29.915590000000066],[-93.24357999999995,29.913440000000037],[-93.23892999999998,29.905820000000062],[-93.23917999999998,29.901650000000075],[-93.23541999999998,29.89581000000004],[-93.23632999999995,29.893080000000054],[-93.23814999999996,29.890390000000025],[-93.23863999999998,29.88698000000005],[-93.23987999999997,29.885260000000073],[-93.24172999999996,29.880640000000028],[-93.23776999999995,29.868100000000027],[-93.23871999999994,29.865590000000054],[-93.24569999999994,29.85328000000004],[-93.25351999999998,29.848060000000032],[-93.26587999999998,29.84283000000005],[-93.27299999999997,29.840700000000027],[-93.27104999999995,29.837010000000078],[-93.26045999999997,29.840910000000065],[-93.25300999999996,29.843720000000076],[-93.24502999999999,29.84773000000007],[-93.24228999999997,29.85029000000003],[-93.24060999999995,29.853470000000073],[-93.23861999999997,29.857770000000073],[-93.23573999999996,29.86017000000004],[-93.23406999999997,29.862140000000068],[-93.23266999999998,29.866170000000068],[-93.23670999999996,29.880730000000028],[-93.23380999999995,29.885090000000048],[-93.23365999999999,29.887870000000078],[-93.23312999999996,29.890190000000075],[-93.23007999999999,29.892700000000048],[-93.22938999999997,29.89495000000005],[-93.23144999999994,29.898790000000076],[-93.23419999999999,29.903020000000026],[-93.23403999999994,29.90719000000007],[-93.23955999999998,29.915590000000066]]]},"properties":{"ESRI_OID":53940,"MSI_UID":53940,"ATU":8,"TITLE":"Sector Houston-Galveston, 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":100116384754,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact","WATERWAY_NAME":"Sector Houston-Galveston, Submerged Land Act (SLA)","CREATE_DATE":1789668529000,"MODIFIED_DATE":1789732050000,"BEGIN_DATE":1789603200000,"END_DATE":1874015999000,"DESCRIPTION":"Calcasieu Lake - Lakeshore Canal - Marine Construction --- From: 2026-09-17 To: 2029-05-19 --- The installation of drainage structures will take place along the east shoreline of Calcasieu Lake.  Work will include dredging, pile driving, the dredging and creation of temporary flotation channels, the installation of T-walls, rip rap placement, and the installation of subsea barrier mats.  Work will take place 24-hours a day, 7-days a week.  On-scene vessels and equipment will include a 27 ft workboat, a 39 ft dredge tender, floating and submerged pipeline, an excavator barge, a spud barge, and two crane barges.  A portion of the Lakeshore Canal will be blocked during the removal of the existing sheet pile structure at Mangrove Bayou.  Temporary warning signs will be installed in the area.  Mariners are urged to maintain a safe distance from the worksite and transit at their slowest safe speed to minimize wake.  POC: (337) 304-6308","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-93.23956,29.91559],[-93.24358,29.91344],[-93.23893,29.90582],[-93.23918,29.90165],[-93.23542,29.89581],[-93.23633,29.89308],[-93.23815,29.89039],[-93.23864,29.88698],[-93.23988,29.88526],[-93.24173,29.88064],[-93.23777,29.8681],[-93.23872,29.86559],[-93.2457,29.85328],[-93.25352,29.84806],[-93.26588,29.84283],[-93.273,29.8407],[-93.27105,29.83701],[-93.26046,29.84091],[-93.25301,29.84372],[-93.24503,29.84773],[-93.24229,29.85029],[-93.24061,29.85347],[-93.23862,29.85777],[-93.23574,29.86017],[-93.23407,29.86214],[-93.23267,29.86617],[-93.23671,29.88073],[-93.23381,29.88509],[-93.23366,29.88787],[-93.23313,29.89019],[-93.23008,29.8927],[-93.22939,29.89495],[-93.23145,29.89879],[-93.2342,29.90302],[-93.23404,29.90719],[-93.23956,29.91559]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":53967,"geometry":{"type":"Polygon","coordinates":[[[-95.22453999999999,29.72583000000003],[-95.22440999999998,29.72255000000007],[-95.22352999999998,29.722570000000076],[-95.22364999999996,29.724060000000065],[-95.22303999999997,29.72548000000006],[-95.22453999999999,29.72583000000003]]]},"properties":{"ESRI_OID":53967,"MSI_UID":53967,"ATU":8,"TITLE":"Galveston Bay Entrance Channel - Houston Ship Channel/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116385131,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:sechouexcecozon:sechoutersea:sechousublanact:galbayentcha:houshicha","WATERWAY_NAME":"Houston Ship Channel","CREATE_DATE":1789737844000,"MODIFIED_DATE":1789738460000,"BEGIN_DATE":1789689600000,"END_DATE":1790121599000,"DESCRIPTION":"Houston Ship Channel - Vince Bayou - Dredge Operation --- From: 2026-09-18 To: 2026-09-21 --- The Dredge MBI-12 will be conducting dredging operations along the Houston Ship Channel and in Vince Bayou at the Kinder Morgan KMET Pumphouse Barge Dock.  Dredged material will be loaded into regulation hopper barges and transported to an unloader barge located at a placement site along Carpenters Bayou.  On-scene support vessels will include the T/Vs GRAND ANN, TOWNES JEFFERY and JACKSON FOSTER.  Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution.  VHF-FM Channels: 76 or 78, POC: (409) 277-5775","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-95.22454,29.72583],[-95.22441,29.72255],[-95.22353,29.72257],[-95.22365,29.72406],[-95.22304,29.72548],[-95.22454,29.72583]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":53975,"geometry":{"type":"Polygon","coordinates":[[[-89.38817999999998,29.15957000000003],[-89.39125999999999,29.15823000000006],[-89.39468999999997,29.154860000000042],[-89.39645999999999,29.15438000000006],[-89.39981999999998,29.15298000000007],[-89.40188999999998,29.152360000000044],[-89.40175999999997,29.11349000000007],[-89.36436999999995,29.077990000000057],[-89.34987999999998,29.08749000000006],[-89.33861999999993,29.100320000000067],[-89.34826999999996,29.111500000000035],[-89.35755999999998,29.13029000000006],[-89.38993999999997,29.147080000000074],[-89.38693999999998,29.15357000000006],[-89.38621999999998,29.157820000000072],[-89.38817999999998,29.15957000000003]]]},"properties":{"ESRI_OID":53975,"MSI_UID":53975,"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":1789740812000,"MODIFIED_DATE":1789740909000,"BEGIN_DATE":1789689600000,"END_DATE":1793577599000,"DESCRIPTION":"Tiger Pass - West Bay - Well and Pipeline Removal --- From: 2026-09-21 To: 2026-10-31 --- Hilcorp Energy Company will be removing well heads and associated structures and flowlines in Tiger Pass, near approximate Mile 9.5, following into the West Bay Field area. Work 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.  VHF-FM Channels: 16 and 88, POC: (337) 522-3272","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-89.38818,29.15957],[-89.39126,29.15823],[-89.39469,29.15486],[-89.39646,29.15438],[-89.39982,29.15298],[-89.40189,29.15236],[-89.40176,29.11349],[-89.36437,29.07799],[-89.34988,29.08749],[-89.33862,29.10032],[-89.34827,29.1115],[-89.35756,29.13029],[-89.38994,29.14708],[-89.38694,29.15357],[-89.38622,29.15782],[-89.38818,29.15957]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":53986,"geometry":{"type":"Polygon","coordinates":[[[-90.57971999999995,39.51903000000004],[-90.58061999999995,39.51899000000003],[-90.58128999999997,39.51260000000008],[-90.58248999999995,39.510500000000036],[-90.58160999999996,39.51019000000008],[-90.58059999999995,39.51287000000008],[-90.58007999999995,39.51442000000003],[-90.57967999999994,39.516440000000046],[-90.57971999999995,39.51903000000004]]]},"properties":{"ESRI_OID":53986,"MSI_UID":53986,"ATU":2,"TITLE":"Lower Mississippi River - Illinois River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116381277,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv:illriv","WATERWAY_NAME":"Illinois River","CREATE_DATE":1789744658000,"MODIFIED_DATE":1789745207000,"BEGIN_DATE":1789689600000,"END_DATE":1790121599000,"DESCRIPTION":"Commencing September 19, 2026, and continuing until September 21, 2026, the Dredge GOETZ is conducting dredging operations in the vicinity of Mile 47.5.  Operations will be conducted 24-hours a day, 7-days a week.  Dredge GOETZ will monitor VHF-FM Channel 13, 16 or 82, and requests 30-minutes advance notice of passage.  Mariners are urged to transit the area at their slowest safe speed to minimize their wake and proceed with caution after passing arrangements have been made.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-90.57972,39.51903],[-90.58062,39.51899],[-90.58129,39.5126],[-90.58249,39.5105],[-90.58161,39.51019],[-90.5806,39.51287],[-90.58008,39.51442],[-90.57968,39.51644],[-90.57972,39.51903]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":54018,"geometry":{"type":"Polygon","coordinates":[[[-76.21570999999994,38.354130000000055],[-76.27189999999996,38.34940000000006],[-76.27400999999998,38.34328000000005],[-76.19699999999995,38.337000000000046],[-76.21570999999994,38.354130000000055]]]},"properties":{"ESRI_OID":54018,"MSI_UID":54018,"ATU":5,"TITLE":"Chesapeake Channel - Honga River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116382401,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:honriv","WATERWAY_NAME":"Honga River","CREATE_DATE":1789991975000,"MODIFIED_DATE":1789992040000,"BEGIN_DATE":1791590400000,"END_DATE":1806969599000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2026-10-10 To: 2027-04-05\n\nMariners are advised that Sea Coast Marine Construction will conduct dredging operations in Honga River from October 10, 2026, through March 31, 2027. Operations will be conducted continuously, 24 hours a day, 7 days a week.\nDredging operations will be conducted using the cutter-suction dredge Scout, with a dredge pipeline extending from the stern of the dredge to the designated disposal site. Additional equipment operating in the area will include booster pump stations, multiple tugboats, an excavator barge, and an unnamed skiff.\nThe channel will remain open for navigation during the dredging operations; however, the navigable channel width will be reduced. Submerged pipeline crossings will be present and will be marked with red/green buoys.\nAll mariners transiting the vicinity of the dredging operations are advised to exercise caution when meeting, overtaking, or passing dredging equipment and associated work vessels.\nThe dredge pipeline will be marked with regulatory buoys and flashing yellow lights. The dredge and associated work vessels will monitor VHF-FM Channels 65 and 16.\nMariners requiring special arrangements are advised to contact the dredge at least 30 minutes in advance of transiting the area.\nOn-site Superintendent: Keith Johnson: 631-553-1034. MSI #54018.\n\n\n\n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-76.21571,38.35413],[-76.2719,38.3494],[-76.27401,38.34328],[-76.197,38.337],[-76.21571,38.35413]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":54036,"geometry":{"type":"Polygon","coordinates":[[[-91.03323999999998,33.90363000000008],[-91.04438999999996,33.89244000000008],[-91.05537999999996,33.88468000000006],[-91.06473999999997,33.879260000000045],[-91.07082999999994,33.87513000000007],[-91.07305999999994,33.870850000000075],[-91.07400999999999,33.86537000000004],[-91.07400999999999,33.85646000000003],[-91.07142999999996,33.846340000000055],[-91.06936999999994,33.84056000000004],[-91.06576999999999,33.83614000000006],[-91.05777999999998,33.825590000000034],[-91.05606999999998,33.82659000000007],[-91.06507999999997,33.838850000000036],[-91.06928999999997,33.84612000000004],[-91.07219999999995,33.86130000000003],[-91.07082999999994,33.869710000000055],[-91.06807999999995,33.87370000000004],[-91.06335999999999,33.87713000000008],[-91.05297999999999,33.88318000000004],[-91.04378999999994,33.889740000000074],[-91.03838999999994,33.894300000000044],[-91.03022999999996,33.90171000000004],[-91.03323999999998,33.90363000000008]]]},"properties":{"ESRI_OID":54036,"MSI_UID":54036,"ATU":2,"TITLE":"New Orleans To Baton Rouge - Lower Mississippi River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100118284592,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar:neworltobatrou:lowmisriv","WATERWAY_NAME":"Lower Mississippi River","CREATE_DATE":1789994738000,"MODIFIED_DATE":1789996432000,"BEGIN_DATE":1789948800000,"END_DATE":1792454399000,"DESCRIPTION":"Continuing until further notice, the Dredge JADWIN is conducting dredging operations between approximate Miles 593.0 and 587.0.  Work will be conducted 24-hours a day, 7-days a week.  When dredging, removed material will be pumped through a pontoon pipeline, which may cross the channel, and will be placed outside of the navigation channel.  Mariners should be on the lookout for tender boats, barges, small survey boats, and pipeline when transiting the dredge area.  Mariners are requested to contact the Dredge JADWIN prior to transiting via VHF-FM Channel 13 or 16, or at (601) 618-2157, to make passing arrangements.  Mariners are urged to transit the area at their slowest safe speed to minimize their wake and proceed with caution after passing arrangements have been made","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-91.03324,33.90363],[-91.04439,33.89244],[-91.05538,33.88468],[-91.06474,33.87926],[-91.07083,33.87513],[-91.07306,33.87085],[-91.07401,33.86537],[-91.07401,33.85646],[-91.07143,33.84634],[-91.06937,33.84056],[-91.06577,33.83614],[-91.05778,33.82559],[-91.05607,33.82659],[-91.06508,33.83885],[-91.06929,33.84612],[-91.0722,33.8613],[-91.07083,33.86971],[-91.06808,33.8737],[-91.06336,33.87713],[-91.05298,33.88318],[-91.04379,33.88974],[-91.03839,33.8943],[-91.03023,33.90171],[-91.03324,33.90363]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":54042,"geometry":{"type":"Polygon","coordinates":[[[-90.12067999999994,38.80311000000006],[-90.12690999999995,38.79648000000003],[-90.12372999999997,38.79454000000004],[-90.12067999999994,38.79565000000008],[-90.12063999999998,38.794440000000066],[-90.11990999999995,38.79441000000003],[-90.11664999999994,38.801600000000064],[-90.12067999999994,38.80311000000006]]]},"properties":{"ESRI_OID":54042,"MSI_UID":54042,"ATU":2,"TITLE":"Lower Mississippi River - Upper Mississippi River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","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":1789996421000,"MODIFIED_DATE":1789996636000,"BEGIN_DATE":1789948800000,"END_DATE":1790899199000,"DESCRIPTION":"Commencing September 23, 2026, and continuing until September 30, 2026, the Dredge GOETZ will be conducting dredging operations at the Upper Chain of Rocks Canal Entrance, in the vicinity of Mile 194.1.  Operations will be conducted from 7:00 a.m. until 7:00 p.m., 7-days a week.  The river will be closed to navigation during working hours.  Dredge GOETZ and the attendant plant include tender boats, small boats, barges and pipeline.  Dredged material will be pumped through a pontoon pipeline, which may be crossing the channel, and is placed outside of the navigation channel.  Mariners should be on the lookout for project vessels when transiting the dredge area.  For passing arrangements, Dredge GOETZ can be contacted on VHF-FM Channel 13 or 16.  L/D Nr. 27 will manage the traffic queue and can be contacted via VHF-FM Channel 12.  Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-90.12068,38.80311],[-90.12691,38.79648],[-90.12373,38.79454],[-90.12068,38.79565],[-90.12064,38.79444],[-90.11991,38.79441],[-90.11665,38.8016],[-90.12068,38.80311]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":54045,"geometry":{"type":"Polygon","coordinates":[[[-88.53073999999998,33.952960000000076],[-88.53147999999999,33.95088000000004],[-88.53161999999998,33.95001000000008],[-88.53228999999999,33.94829000000004],[-88.53226999999998,33.947700000000054],[-88.53257999999994,33.94697000000008],[-88.53292999999996,33.944810000000075],[-88.53145999999998,33.94469000000004],[-88.53080999999997,33.947640000000035],[-88.53030999999999,33.94914000000006],[-88.52997999999997,33.95084000000003],[-88.52963999999997,33.95098000000007],[-88.52940999999998,33.951580000000035],[-88.52947999999998,33.952090000000055],[-88.52928999999995,33.952800000000025],[-88.53073999999998,33.952960000000076]]]},"properties":{"ESRI_OID":54045,"MSI_UID":54045,"ATU":8,"TITLE":"Tennessee Tombigbee River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","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":1790000659000,"MODIFIED_DATE":1790000911000,"BEGIN_DATE":1789948800000,"END_DATE":1799020799000,"DESCRIPTION":"Tennessee Tombigbee River - Dredge Operation --- from: 2026-09-24 To: 2027-01-02 --- The Dredge E. STROUD will conduct dredging and disposal operations in the Tennessee Tombigbee River, between Miles 365.5 and 366.5 (Aberdeen Lake).  Operations will take place 24-hours a day, 7-days a week.  Pontoon lines connecting to shore connectors will be located in the project area leading to various disposal sites.  The dredge requests 1-hour advance notice for vessels transiting the area.  Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution.  VHF-FM Channels: 13 and 16, POC: (337) 529-2081","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-88.53074,33.95296],[-88.53148,33.95088],[-88.53162,33.95001],[-88.53229,33.94829],[-88.53227,33.9477],[-88.53258,33.94697],[-88.53293,33.94481],[-88.53146,33.94469],[-88.53081,33.94764],[-88.53031,33.94914],[-88.52998,33.95084],[-88.52964,33.95098],[-88.52941,33.95158],[-88.52948,33.95209],[-88.52929,33.9528],[-88.53074,33.95296]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":54052,"geometry":{"type":"Polygon","coordinates":[[[-72.08407999999997,41.34719000000007],[-72.08375999999998,41.343920000000026],[-72.08142999999995,41.345380000000034],[-72.08131999999995,41.347140000000024],[-72.08407999999997,41.34719000000007]]]},"properties":{"ESRI_OID":54052,"MSI_UID":54052,"ATU":1,"TITLE":"Long Island Sound Eastern Part - New London Harbor/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116381561,"MRN":"urn:mrn:iala:wwy:us:navIV:dis1:seclonislsouexcecozon:seclonislsoutersea:seclonislsousublanact:bloislsouandgarbay:lonislsoueaspar:newlonhar","WATERWAY_NAME":"New London Harbor","CREATE_DATE":1790006132000,"MODIFIED_DATE":1790006144000,"BEGIN_DATE":1789948800000,"END_DATE":1909094399000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n\nFrom: 2026-11-01To: 2030-06-30\n\nMarine construction and dredging operations are scheduled to occur on or about November 1, 2026, through June 9, 2030, in New London Harbor on the Thames River adjacent to the General Dynamics Electric Boat Facility in Groton, CT, between Graving Dock #2 and Graving Dock #3. Operations will include wet berth pier construction, dredging, and associated marine support activities, with barges, dredging equipment, tugboats, survey vessels, and other support equipment operating in the area. A mooring may be established in New London Harbor Anchorage A and/or Anchorage B for staging barges. Mariners are advised to transit the area at the slowest safe speed, minimize wake, and proceed with caution. Project vessels will monitor VHF-FM Channels 16 and 13, with a designated working channel to be established. Passing arrangements should be coordinated via VHF radio, or in advance by telephone when necessary, and approximately 30 minutes may be required to clear the navigation area for vessel passage depending on operational and environmental conditions.\n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-72.08408,41.34719],[-72.08376,41.34392],[-72.08143,41.34538],[-72.08132,41.34714],[-72.08408,41.34719]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":54060,"geometry":{"type":"Polygon","coordinates":[[[-76.31950999999998,36.998020000000054],[-76.33532999999994,36.99066000000005],[-76.36715999999996,36.96905000000004],[-76.36681999999996,36.95877000000007],[-76.35689999999994,36.95981000000006],[-76.35156999999998,36.96172000000007],[-76.31304999999998,36.99043000000006],[-76.31950999999998,36.998020000000054]]]},"properties":{"ESRI_OID":54060,"MSI_UID":54060,"ATU":5,"TITLE":"James River - Newport News/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":100116382762,"MRN":"urn:mrn:iala:wwy:us:navIV:dis5:secvirexcecozon:secvirtersea:secvirsublanact:checha:jamriv:newnew","WATERWAY_NAME":"Newport News","CREATE_DATE":1790007523000,"MODIFIED_DATE":1790007550000,"BEGIN_DATE":1790553600000,"END_DATE":1791244799000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Boring and Core Samples\n\nFrom: 2026-09-28 To: 2026-10-05\n\nBetween 28 September and 02 October 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 Durbano (609) 332-0534. MSI #54060.\n\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-76.31951,36.99802],[-76.33533,36.99066],[-76.36716,36.96905],[-76.36682,36.95877],[-76.3569,36.95981],[-76.35157,36.96172],[-76.31305,36.99043],[-76.31951,36.99802]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":54062,"geometry":{"type":"Polygon","coordinates":[[[-81.51890999999995,30.815450000000055],[-81.52272999999997,30.81538000000006],[-81.52355999999997,30.81131000000005],[-81.52578999999997,30.809630000000027],[-81.50899999999996,30.793330000000026],[-81.50460999999996,30.792850000000044],[-81.49656999999996,30.785360000000026],[-81.49450999999993,30.78141000000005],[-81.49443999999994,30.772560000000055],[-81.48461999999995,30.772380000000055],[-81.48887999999994,30.78896000000003],[-81.49993999999998,30.794800000000066],[-81.50817999999998,30.79911000000004],[-81.51606999999996,30.80418000000003],[-81.51695999999998,30.805250000000058],[-81.51863999999995,30.805980000000034],[-81.51780999999994,30.813060000000064],[-81.51890999999995,30.815450000000055]]]},"properties":{"ESRI_OID":54062,"MSI_UID":54062,"ATU":7,"TITLE":"Kings Bay/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116383743,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secjacexcecozon:secjactersea:secjacsublanact:stmarent:cumsou:kinbay","WATERWAY_NAME":"Kings Bay","CREATE_DATE":1790008483000,"MODIFIED_DATE":1790008706000,"BEGIN_DATE":1789948800000,"END_DATE":1805587199000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n54062\n\nCottrell Contracting Corporation of Chesapeake, Virginia advises that the DREDGE NEWMARKET will be conducting dredging operations at Kings Bay Submarine Base, Camden County, GA. The work will be ongoing from on or about September 21, 2026, with an estimated completion date of February l, 2027 from Kings Bay Lighted Buoy 43 (LLNR 37735) to Kings Bay Light 60 (LLNR 7035).\n\nAll 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. Buoys are attached to the anchors so that they may be moved as the dredge moves. Submerged lines should be avoided. Mariners are requested to exercise extreme caution when approaching, passing, and leaving the dredging plant. The DREDGE NEWMARKET monitors VHF-FM channels 13 and 16. Mariners are cautioned to strictly comply with the Inland Rules of the Road when approaching, passing and leaving the area of operations, and remain a safe distance away from the dredge, booster, buoys, cables, pipeline, barges, derricks, wires and related equipment.\n\nOwners 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. Dredging operations will be conducted 24/7, all fishnets, crabpots and structures in the general area must be removed prior to commencement of any work, a slow NO WAKE speed is requested of transiting vessels. All vessels are requested to contact the dredge prior to passing.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-81.51891,30.81545],[-81.52273,30.81538],[-81.52356,30.81131],[-81.52579,30.80963],[-81.509,30.79333],[-81.50461,30.79285],[-81.49657,30.78536],[-81.49451,30.78141],[-81.49444,30.77256],[-81.48462,30.77238],[-81.48888,30.78896],[-81.49994,30.7948],[-81.50818,30.79911],[-81.51607,30.80418],[-81.51696,30.80525],[-81.51864,30.80598],[-81.51781,30.81306],[-81.51891,30.81545]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":54063,"geometry":{"type":"Polygon","coordinates":[[[-90.14125999999999,29.935310000000072],[-90.14325999999994,29.935130000000072],[-90.14299999999997,29.93405000000007],[-90.14318999999995,29.933800000000076],[-90.14287999999999,29.931050000000027],[-90.14332999999993,29.92942000000005],[-90.14084999999994,29.929380000000037],[-90.14125999999999,29.935310000000072]]]},"properties":{"ESRI_OID":54063,"MSI_UID":54063,"ATU":8,"TITLE":"Head Of Passes To New Orleans - New Orleans Harbor/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116385060,"MRN":"urn:mrn:iala:wwy:us:navIV:dis8:secneworlexcecozon:secneworltersea:secneworlsublanact:soupas:heaofpastoneworl:neworlhar","WATERWAY_NAME":"New Orleans Harbor","CREATE_DATE":1790008507000,"MODIFIED_DATE":1790009028000,"BEGIN_DATE":1789948800000,"END_DATE":1792886399000,"DESCRIPTION":"Mississippi River - Dredging Operation --- From: 2026-09-23 To: 2026-10-23 --- The Dredge BELLA ROSE will be conducting dredging at Mile 102.6, RDB, AHOP.  Work will take place 24-hours a day, 7-days a week.  Mariners are requested to transit the area with caution.  VHF-FM Channels: 67 and 71, POC: (504) 225-2036 or (504) 858-2925","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-90.14126,29.93531],[-90.14326,29.93513],[-90.143,29.93405],[-90.14319,29.9338],[-90.14288,29.93105],[-90.14333,29.92942],[-90.14085,29.92938],[-90.14126,29.93531]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":54070,"geometry":{"type":"Polygon","coordinates":[[[-122.22530999999998,48.01230000000004],[-122.22646999999995,47.991850000000056],[-122.22830999999996,47.98781000000008],[-122.22672999999998,47.98769000000004],[-122.22500999999994,47.99154000000004],[-122.22414999999995,48.00294000000008],[-122.22388999999998,48.011520000000075],[-122.22530999999998,48.01230000000004]]]},"properties":{"ESRI_OID":54070,"MSI_UID":54070,"ATU":13,"TITLE":"Possession Sound - Snohomish River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116385936,"MRN":"urn:mrn:iala:wwy:us:navXII:dis13:secpugsouexcecozon:secpugsoutersea:secpugsousublanact:strofjuadefuc:adminl:pugsou:possou:snoriv","WATERWAY_NAME":"Snohomish River","CREATE_DATE":1790010467000,"MODIFIED_DATE":1790010487000,"BEGIN_DATE":1791763200000,"END_DATE":1802735999000,"DESCRIPTION":"American Construction Company will be conducting dredging operations in the Snohomish River in Everett, WA (RM 50+00 to 120+50) from 16 Oct 2026 through 14 Feb 2027. Work includes maintenance dredging of approximately 203,000 CY, operating 24-hours per day, seven days a week until completion. Working vessels include a clamshell dredge, M/V Patriot and M/V Mukilteo to dredge and load the split-hull scows. The scows will be towed to the DNR Port Gardner Disposal site. Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made. Working vessels will be monitoring VHF-FM channels 13 and 16. For additional information, contact Aaron McMahill at (253) 350-1670, aaronm@americanconstco.com.  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Specifically, the channel dredging will occur from “Cut 1”, inbound, through “Cut-10”, and include the “Turning Basin” adjacent to “Cut-10”, however the dredge(s) and/or dredging equipment may be in operation or moored in the general vicinity(s) of the work area(s). The dredged material will be transported by pipeline, and placed within the “Nearshore Placement Area” beginning approximately 1,200 feet south of the Pass at “R-186”, southeast to “R-198”.\nThere will be obstructions associated with the ongoing construction including submerged and floating dredge pipelines, barge(s), tug boat(s), crew boats(s), or other construction equipment operating in the areas.","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-81.96602,26.46615],[-81.96956,26.46488],[-81.96887,26.46276],[-81.96453,26.45746],[-81.95687,26.45208],[-81.94356,26.44605],[-81.92232,26.43196],[-81.90828,26.41836],[-81.90629,26.41937],[-81.91419,26.42964],[-81.92476,26.43791],[-81.93637,26.44437],[-81.95712,26.45279],[-81.96457,26.45789],[-81.96793,26.462],[-81.96926,26.46472],[-81.96639,26.46535],[-81.96444,26.46139],[-81.96173,26.45996],[-81.94192,26.4538],[-81.94207,26.45614],[-81.9517,26.46007],[-81.95278,26.45777],[-81.9631,26.46183],[-81.96602,26.46615]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":54086,"geometry":{"type":"Polygon","coordinates":[[[-124.26842999999997,42.05102000000005],[-124.26909999999998,42.050940000000026],[-124.26896999999997,42.05007000000006],[-124.26818999999995,42.05015000000003],[-124.26842999999997,42.05102000000005]]]},"properties":{"ESRI_OID":54086,"MSI_UID":54086,"ATU":13,"TITLE":"Sector Columbia River, Submerged Land Act (SLA) - Chetco River/General/Marine Construction (Excluding Bridges)/Dredging","STATUS":"Approved","MSI_GROUP":"General","SUB_CATEGORY":"Marine Construction (Excluding Bridges)","TYPE":"Dredging","WTRW_UID":100116385755,"MRN":"urn:mrn:iala:wwy:us:navXII:dis13:seccolrivexcecozon:seccolrivtersea:seccolrivsublanact:cheriv","WATERWAY_NAME":"Chetco River","CREATE_DATE":1790013391000,"MODIFIED_DATE":1790013400000,"BEGIN_DATE":1790553600000,"END_DATE":1802822399000,"DESCRIPTION":"The Port of Brookings Harbor will be conducting dredging operations inside Basin 1, Port of Brookings, OR from 01 Oct 2026 through 15 Feb 2027. Working hours will be 0800-1700 Monday through Saturday (No work on holidays). Disposal site will be ashore. Mariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution. Working vessels will be monitoring VHF-FM channels 13 and 16. For additional information, contact Gary Dehlinger at (541) 373-0280 or gary@portofbrookingsharbor.com or Travis Webster at 541-291-7380 or travis@portofbrookingsharbor.com. 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Marine operations will be conducted 24 hours a day, 7 days a week. The project will utilize the Dredge Dale Pyatt, dump scows Kurt Schulte, M.E.R.C Shevlin, and Joe Verrochi, GL603, GL69, along with the hopper barges D.A. Chambers, C.J. Welch, and S. Tobin. Loaded scows will be transported by tug to the designated disposal locations at either the Norfolk Ocean Disposal Site (NODS), Masonville MPA Site or High Head DMCF. The unloaders Cape May and Kraken will operate at the Masonville MPA and High Head DMCF disposal sites. The marine equipment will be supported by the survey vessel Cape Elizabeth. All vessels will monitor VHF channels 14, 13, and 67.\nMariners are urged to transit at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made. MSI #54087.\n","COORDINATES_JSON":"{\"type\":\"Polygon\",\"coordinates\":[[[-76.47903,39.21212],[-76.48781,39.21134],[-76.48531,39.19398],[-76.47776,39.19448],[-76.47903,39.21212]]]}","COORDINATES_TYPE":"Polygon","DECIMAL_LONGITUDE":null,"DECIMAL_LATITUDE":null}},{"type":"Feature","id":54095,"geometry":{"type":"Polygon","coordinates":[[[-81.88033999999999,26.40426000000008],[-81.88912999999997,26.397620000000074],[-81.83659999999998,26.287720000000036],[-81.81757999999996,26.17467000000005],[-81.81856999999997,26.16909000000004],[-81.81290999999999,26.169800000000066],[-81.81447999999995,26.173820000000035],[-81.81209999999999,26.174500000000023],[-81.81173999999999,26.17426000000006],[-81.81150999999994,26.173730000000035],[-81.81099999999998,26.17381000000006],[-81.81128999999999,26.174180000000035],[-81.81129999999996,26.174560000000042],[-81.81029999999998,26.177130000000034],[-81.81228999999996,26.177110000000027],[-81.81194999999997,26.17551000000003],[-81.81207999999998,26.175200000000075],[-81.81352999999996,26.174470000000042],[-81.81489999999997,26.174190000000067],[-81.81495999999999,26.17503000000005],[-81.81718999999998,26.174650000000042],[-81.83362999999997,26.283930000000055],[-81.83072999999996,26.284350000000074],[-81.83142999999995,26.287360000000035],[-81.83144999999996,26.28830000000005],[-81.83120999999994,26.288470000000075],[-81.83048999999994,26.28821000000005],[-81.82809999999995,26.289120000000025],[-81.82754999999997,26.28893000000005],[-81.82742999999994,26.28693000000004],[-81.82672999999994,26.286950000000047],[-81.82687999999996,26.289760000000058],[-81.82215999999994,26.290590000000066],[-81.82260999999994,26.29179000000005],[-81.82605999999998,26.29087000000004],[-81.82586999999995,26.291590000000042],[-81.82653999999997,26.291500000000042],[-81.82704999999999,26.29066000000006],[-81.82934999999998,26.290560000000028],[-81.82967999999994,26.289360000000045],[-81.83180999999996,26.290320000000065],[-81.83228999999994,26.292440000000056],[-81.83702999999997,26.29201000000006],[-81.88520999999997,26.395590000000027],[-81.88644999999997,26.398600000000044],[-81.88301999999999,26.398970000000077],[-81.87841999999995,26.403950000000066],[-81.88033999999999,26.40426000000008]]]},"properties":{"ESRI_OID":54095,"MSI_UID":54095,"ATU":7,"TITLE":"Sector St. Petersburg, Territorial Sea - Sector St. Petersburg, 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":100116383296,"MRN":"urn:mrn:iala:wwy:us:navIV:dis7:secsaipetexcecozon:secsaipettersea:secsaipeterseala","WATERWAY_NAME":"Sector St. Petersburg, Submerged Land Act (SLA)","CREATE_DATE":1790016828000,"MODIFIED_DATE":1790017071000,"BEGIN_DATE":1789948800000,"END_DATE":1805587199000,"DESCRIPTION":"General/Marine Construction (Excluding Bridges)/Dredging\n54095\n\nSEA HAWK MARITIME will be conducting dredging for the Wiggins Pass and Doctors Pass maintenance dredging project. Equipment mobilization will begin on or about September 23, 2026. Dredging commencement will begin on or about September 28, 2026, with an estimated completion date of November 30, 2026. Operations will be conducted 24/7.\nDREDGE CLEARWATER will be monitoring VHF-FM channel 13 and 16.\nVHF CHANNELS MONITORED: CHANNEL 13 & 16\n\nMariners are urged to use extreme caution in the area, transit at their slowest safe speed to minimize wake, and proceed with caution after passing arrangements have been made. Floating and submerged plastic and steel pipeline associated\nwith the hydraulic dredging operations of the channel will be utlized. pipeline,\nwork vessels, dredge barge, booster pump barge(s), crane barges, tug boats, and\nbuoys will be visibly lighted and marked according to Coast Guard regulations and\nwill be in the area until all work is complete and can change configuration\ndaily. 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