CoastalUS Coast Guard LNM - Heartland District Gulf (D8)MessagesLNM08G-C04832LNM08G-C04832PAN PANReceived: 23 Oct 2026, 00:00Updated: 1 Nov 2026, 14:59SubscribeCopyShareShow on mapPrintExportSearchKeywordsDangerous AreaDANGERMessage contentARANSAS BAY ALTERNATE ROUTE - ARANSAS BAY ATON / ATON Changes Location: 28-06.19N 097-10.44W Aid Name: Copano Oyster Lighted Danger Buoy LLNR: 38786.79 Action: ESTABLISH Private aid: Buoy W/O, FL2.5s Valid 2026-10-23 to 2026-11-05. USCG Heartland (Gulf) District Local Notice to Mariners 43/2026Location mapOpen in the full mapLoading map…More from US Coast Guard LNM - Heartland District Gulf (D8)LNM08G-992B2D2026-10-28SOUTH PASS - HEAD OF PASSES TO NEW ORLEANS General / Hazards To Navigation / Wrecks California Bay - Partially Submerged F/V --- Reported: 2026-10-17 --- A 42ft F/V has been reported partially submergLNM08G-A808E32026-10-28NEW ORLEANS HARBOR - NEW ORLEANS TO BATON ROUGE ATON / Advanced Notice of Change The Coast Guard will make the following Aids to Navigation Change after December 22, 2026. Change Old Hermitage Range RLNM08G-B385EB2026-10-28SECTOR MOBILE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Naval Activity / Naval Gunnery Exercises Gulf of America - Live Fire Exercise --- On: 2026-10-28 --- A live fire exercise will be conducted fromLNM08G-158E582026-09-14archivedGALVESTON BAY ENTRANCE CHANNEL - HOUSTON SHIP CHANNEL General / Marine Construction (Excluding Bridges) / Dredging Houston Ship Channel - Dredge Operation --- --- The Dredge MBI-10 will be conductingLNM08G-DC90F92026-09-30archivedMOBILE BAR - MOBILE CHANNEL General / Hazards To Navigation / Wrecks Mobile Channel - Adrift P/C --- Reported: 2026-09-29 --- A 15-25ft P/C has been reported adrift near Mobile Channel Lighted Buoy 59Later warningsLNM08G-F2BBAB2026-10-23ARANSAS BAY ALTERNATE ROUTE - ARANSAS BAY ATON / ATON Changes Location: 28-06.19N 097-10.35W Aid Name: Copano Oyster Lighted Danger Buoy LLNR: 38786.76 Action:LNM08G-FAF87E2026-10-23MOBILE CHANNEL - MOBILE RIVER General / Bridges / Proposal Chickasaw Creek - Notice of Proposed Rulemaking - Bridge Remote Operations --- --- The U.S. Coast GuLNM08G-6637C42026-10-23SECTOR MOBILE, SUBMERGED LAND ACT (SLA) - MISSISSIPPI SOUND General / Bridges / Proposal Saint Louis Bay - Mississippi Sound - Notice of Proposed Rulemaking - BEarlier warningsLNM08G-1E57B52026-10-23ARANSAS BAY ALTERNATE ROUTE - ARANSAS BAY ATON / ATON Changes Location: 28-06.26N 097-10.35W Aid Name: Copano Oyster Lighted Danger Buoy LLNR: 38786.77 Action:LNM08G-316DA62026-10-23BILOXI EAST CHANNEL - BACK BAY OF BILOXI General / Bridges / Proposal Biloxi Bay - Back Bay of Biloxi - Notice of Proposed Rulemaking - Bridge Remote OperationsLNM08G-BDD3FB2026-10-23MOBILE CHANNEL - MOBILE RIVER General / Bridges / Proposal Three Mile Creek - Notice of Proposed Rulemaking - Bridge Remote Operations --- --- The U.S. Coast GBack to messages