CoastalUS Coast Guard LNM - Heartland District Gulf (D8)MessagesLNM08G-BC96B3LNM08G-BC96B3Received: 20 Oct 2026, 00:00Updated: 1 Nov 2026, 14:59SubscribeCopyShareShow on mapPrintExportSearchMessage contentPENSACOLA BAY - PENSACOLA-MOBILE ATON / ATON Changes Location: 30-19.91N 087-19.29W Aid Name: Pensacola-Mobile Shoal Buoy 5A LLNR: 33115 Action: RELOCATE From: 30-19.91N 087-19.29W To: 30-19.91N 087-19.29W Valid 2026-10-20 to 2026-10-30. 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-BD71A52026-10-21SECTOR NEW ORLEANS, EXCLUSIVE ECONOMIC ZONE (EEZ) - SECTOR NEW ORLEANS, TERRITORIAL SEA ATON / ATON Changes Location: 29-08.83N 089-36.43W Aid Name: Energy PartLNM08G-B890442026-10-22SECTOR NEW ORLEANS, EXCLUSIVE ECONOMIC ZONE (EEZ) ATON / ATON Changes Location: 25-47.80N 089-17.30W Aid Name: NOAA Data Buoy 42409 LLNR: 1468 Action: RELOCATELNM08G-562C9F2026-10-22SECTOR NEW ORLEANS, TERRITORIAL SEA - SECTOR NEW ORLEANS, SUBMERGED LAND ACT (SLA) General / Marine Construction (Excluding Bridges) / Facilities, Barriers, ManEarlier warningsLNM08G-2275A22026-10-20SECTOR CORPUS CHRISTI, SUBMERGED LAND ACT (SLA) - BRAZOS SANTIAGO PASS General / Marine Construction (Excluding Bridges) / Dredging Brazos Santiago Entrance ChaLNM08G-F736022026-10-20SECTOR HOUSTON-GALVESTON, EXCLUSIVE ECONOMIC ZONE (EEZ) ATON / ATON Changes Location: 28-15.91N 094-04.65W Aid Name: White Fleet-104-5 LLNR: Not Provided ActionLNM08G-C9D72C2026-10-19SECTOR CORPUS CHRISTI, SUBMERGED LAND ACT (SLA) - BRAZOS SANTIAGO PASS General / Marine Construction (Excluding Bridges) / Dredging Brazos Santiago Entrance ChaBack to messages