US Coast Guard LNM - Heartland District Gulf (D8) archive
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- LNM08G-F49FE4PAN PANARANSAS BAY ALTERNATE ROUTE - ARANSAS BAY ATON / ATON Changes Location: 28-06.27N 097-10.44W Aid Name: Copano Oyster Lighted Danger Buoy LLNR: 38786.78 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 44/2026
- SECTOR MOBILE, SUBMERGED LAND ACT (SLA) - CHOCTAWHATCHEE BAY General / Naval Activity / Naval Testing (Surface / Underwater) Choctawhatchee Bay - U.S. Air Force Operation --- --- The U.S. Air Force will conduct testing operations in Choctawhatchee Bay with vessels and unmanned aircraft. Operations will be conducted on November 6, 2026, from 7:00 a.m. to 7:00 p.m., with November 7 and 8, 2026, as back-up dates. The hazard area will be bound by approximate positions: 30-27.87N 086-20.51W, 30-28.49N 086-19.61W, 30-28.71N 086-19.61W, 30-28.52N 086-17.57W, 30-28.15N 086-14.79W, 30-26.29N 086-14.71W, 30-26.14N 086-17.56W and 30-26.09N 086-20.47W. Vessels should required to remain clear of the operation/hazard area during the mission period. Hot range advisories and broadcast notice to mariners will be transmitted via VHF-FM Channel 16 and on HF Upper Sideband 2182 KHZ, by the Eglin Joint Test and Training Operations Control Center (call sign: Wolfcall). Valid 2026-11-06 to 2026-11-08. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-EF4DBCPAN PANMATAGORDA SHIP CHANNEL - PORT LAVACA CHANNEL ATON / ATON Changes Location: 28-37.29N 096-37.33W Aid Name: Port Lavaca Danger Breakwater Light LLNR: 27767.01 Action: ESTABLISH Private aid: FL2.5s, Non-lateral WO, 13ft on pile Valid 2026-10-27 to 2026-11-09. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-B40FA2SÉCURITÉBOLIVAR PENINSULA - ROLLOVER BAY General / Marine Construction (Excluding Bridges) / Facilities, Barriers, Manmade Reefs, Riprap, Jetties / Dikes GIWW – Island Restoration --- --- Island restoration construction will be conducted on Bird Rookery Island, in Rollover Bay, in the vicinity of GIWW Mile 329.0, WHL. Construction will consist of the placement of sand and rock in the area. On-scene vessels and equipment will include T/Vs MR. TIM and CHRIS N., crew boats, spud barges with excavators and rock barges. Mariners are urged to transit the area with caution and at their slowest safe speed to minimize wake. VHF-FM Channel: 16 Valid 2026-07-20 to 2026-11-10. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-F2BBABPAN PANARANSAS 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: ESTABLISH Private aid: Buoy W/O, FL2.5s Valid 2026-10-23 to 2026-11-05. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-5D8967PAN PANSECTOR MOBILE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Naval Activity / Naval Gunnery Exercises Gulf of America - U.S. Air Force Operation --- --- The U.S. Air Force will conduct munition launches in the Gulf of America. The hazard area will be active November 10, 2026, from 5:30 a.m. to 12:30 p.m., and November 5, 6, and 9, 2026, from 5:00 a.m. to 12:30 p.m. The hazard area will be bound by the following approximate positions: 30-18.67N 086-57.18W, 30-22.48N 086-50.21W, 30-23.70N 086-50.47W, 30-24.27N 086-46.89W, 30-22.61N 086-43.22W, 30-22.05N 086-32.47W, 30-15.93N 086-25.29W, 30-10.37N 085-58.26W, 29-46.08N 086-03.13W and 29-56.32N 086-57.15W. All vessels are required to remain clear of the operation/hazard area during the mission periods. Hot range advisories and broadcast notice to mariners will be transmitted via VHF-FM Channel 16 and on HF Upper Sideband 2182 KHZ, by the Eglin Joint Test and Training Operations Control Center (call sign: Wolfcall). Valid 2026-11-05 to 2026-11-10. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- MOBILE CHANNEL - MOBILE RIVER General / Bridges / Proposal Chickasaw Creek - Notice of Proposed Rulemaking - Bridge Remote Operations --- --- The U.S. Coast Guard proposes changing the operating procedures governing the CSX Drawbridge across Chickasaw Creek, Saraland, AL. CSX has requested operating certain bridges from a remote location within the CSX Seibert Railroad Yard located in Mobile, AL. Mariners are encouraged to review the proposed regulations and provide comments regarding potential impacts to navigation, vessel operations, bridge-opening requirements, and local waterways commerce. Comments and related material must be received by November 6, 2026. Comments may be submitted on Regulations.gov, under Federal Register Document Number 2026-20545. All comments received will be posted to the docket and considered before a final rule is issued. Questions regarding this proposed rule can be directed to Mr. Douglas Blakemore, U.S. Coast Guard Heartland District Bridge Administration Branch Chief, at (504) 671-2127 or [email protected]. Valid 2026-10-23 to 2026-11-06. Position 30-43.43N 088-03.55W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- NEW ORLEANS PORT ARTHUR General / Bridges / Closure (Scheduled Or Emergency) GIWW - Bridge Closure --- To: Until Further Notice --- The Grand Lake Swing Bridge will be closed to marine traffic from 8:00 a.m. to 5:00 p.m., daily, due to construction. Mariners should contact the bridge operator at (337) 905-0106 for any questions and updates regarding the work. Valid 2026-10-13 until further notice. Position 30-00.67N 093-13.68W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-E95F34PAN PANMATAGORDA SHIP CHANNEL - PORT LAVACA CHANNEL ATON / ATON Changes Location: 28-37.33N 096-37.39W Aid Name: Port Lavaca Danger Breakwater Light LLNR: 27767 Action: ESTABLISH Private aid: FL2.5s, Non-lateral WO, 13ft on pile Valid 2026-10-27 to 2026-11-09. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- THE RIGOLETS - LAKES PONTCHARTRAIN AND MAUREPAS General / Hazards To Navigation / Wrecks Lake Pontchartrain - Partially Submerged P/C --- Reported: 2026-10-22 --- An 18-20ft P/C with a turquoise top, has been reported partially submerged, in approximate position 30-06.03N 090-25.20W, on October 22, 2026. The partially submerged P/C is reportedly not marked. Mariners are urged to transit the area with caution. Position 30-06.03N 090-25.20W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- SECTOR CORPUS CHRISTI, EXCLUSIVE ECONOMIC ZONE (EEZ) ATON / ATON Changes Location: 26-50.53N 096-58.80W Aid Name: Shell-241-2 LLNR: Not Provided Action: DISCONTINUE Platform: remove platform obstruction symbol. Platform removed and site cleared. Valid 2026-10-27 to 2026-11-09. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-98F29ESÉCURITÉSECTOR HOUSTON-GALVESTON, SUBMERGED LAND ACT (SLA) - SABINE BANK CHANNEL General / Marine Construction (Excluding Bridges) / Dredging Sabine Bank Channel - Dragging and Dredging Operation --- To: Until Further Notice --- The M/V PAPPY'S PRIDE and the Dredge PADRE ISLAND will be conducting dragging and dredging operations in the Sabine Bank Channel near Sabine Bank Channel Lighted Buoy 13 (LLNR-22360) and Sabine Bank Channel Lighted Buoy 14 (LLNR-22365). Additional on-scene vessels may include the Survey Vessels JONATHAN WOODWARD, LADY BECKY, FM BROWN, and OHIO RIVER. Mariners are urged to transit the area with caution after passing arrangements have been made. VHF-FM Channel: 16 Valid 2026-09-08 until further notice. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- GALVESTON BAY ENTRANCE CHANNEL - HOUSTON SHIP CHANNEL ATON / Proposed Notice of Change In order to provide a more efficient and effective Aids to Navigation signal, the Coast Guard is proposing the following Aids to Navigation Change: Change Upper Galveston Bay Outer Range Front Light (LLNR-24205) in position 29-28.92N 094-51.39W from showing Q G, 39ft, KRW on skeleton tower on piles, visible 2º each side of rangeline to show Q G, 39ft, KRW on skeleton tower on piles, visible all around; higher intensity 1.5º each side of rangeline. Comments will be taken until November 10, 2026. Please email comments regarding this proposal to: [email protected] Position 29-28.92N 094-51.40W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- ATCHAFALAYA RIVER - MORGAN CITY TO PORT ALLEN General / Bridges / Closure (Scheduled Or Emergency) Atchafalaya River - GIWW Morgan City to Port Allen Alternate Route - Bridge Closure --- --- The BNSF Railroad Drawbridge across the Atchafalaya River/GIWW Alternate Route in Berwick Bay will undergo repairs to the wire ropes. The drawbridge will not open to vessels on the following dates and times: 01OCT2026, 8:00 a.m. to 2:00 p.m., 05OCT2026, 2:00 p.m. to 5:00 p.m., 06OCT2026, 8:00 a.m. to 2:00 p.m., 07OCT2026, 2:00 p.m. to 5:00 p.m., 08OCT2026, 8:00 a.m. to 2:00 p.m., 13OCT2026, 2:00 p.m. to 5:00 p.m., 14OCT2026, 8:00 a.m. to 2:00 p.m., 21OCT2026, 8:00 a.m., to 22OCT2026, 12:00 a.m., 27OCT2026, 2:00 p.m. to 5:00 p.m., 28OCT2026, 8:00 a.m. to 2:00 p.m. and 04NOV2026, 8:00 a.m., to 05NOV2026, 12:00 a.m. At the end of each work period, all waterborne equipment will be removed from the bridge’s main channel. A bridge tender will be on-scene during these periods. Mariners may contact the bridge tender to obtain project updates and are requested to transit the area with caution. Valid 2026-10-01 to 2026-11-05. Position 29-41.55N 091-12.73W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- SECTOR NEW ORLEANS, TERRITORIAL SEA - SECTOR NEW ORLEANS, SUBMERGED LAND ACT (SLA) ATON / ATON Changes Location: 29-24.31N 091-45.14W Aid Name: CONTANGO-200-7 LLNR: Not Provided Action: DISCONTINUE Platform: remove platform obstruction symbol. Platform removed and site cleared. Valid 2026-10-29 to 2026-11-11. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- SECTOR HOUSTON-GALVESTON, SUBMERGED LAND ACT (SLA) General / Hazards To Navigation / Wrecks Gulf of America - Peveto Beach - Aground F/V --- Reported: 2026-10-25 --- The 77 ft F/V WAVE I has been reported aground on Peveto Beach, in approximate position 29-45.81N 093-32.30W, on October 25, 2026. The aground F/V WAVE I is reportedly not marked. Mariners are urged to avoid this area. Position 29-45.82N 093-32.30W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- SECTOR NEW ORLEANS, TERRITORIAL SEA - SECTOR NEW ORLEANS, SUBMERGED LAND ACT (SLA) ATON / ATON Changes Location: 29-24.05N 091-45.62W Aid Name: Contango-200-8 LLNR: Not Provided Action: DISCONTINUE Platform: remove platform obstruction symbol. Platform removed and site cleared. Valid 2026-10-29 to 2026-11-11. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- HOUSTON SHIP CHANNEL - CLEAR CREEK CHANNEL General / Hazards To Navigation / Wrecks Clear Creek Channel - Partially Submerged and Adrift P/C --- Reported: 2026-10-24 --- A paddle boat has been reported partially submerged and adrift, in approximate position 29-33.76N 095-04.29W, on October 24, 2026. The partially submerged and adrift P/C is reportedly not marked. Mariners are urged to transit this area with caution and report any sightings or findings to the nearest U.S. Coast Guard unit. Position 29-33.77N 095-04.28W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-B7E7CFSÉCURITÉGALVESTON BAY ENTRANCE CHANNEL - HOUSTON SHIP CHANNEL General / Marine Construction (Excluding Bridges) / Dredging Houston Ship Channel - Dredge Operation --- --- The Dredge MBI-08 will be conducting dredging operations at the BOSTCO Kinder Morgan Terminal along the Houston Ship Channel. Hopper barges will be loaded at the worksite and transported to an unloader barge located at a placement area along the Houston Ship Channel. Additional on-scene vessels will include hopper barges and the T/Vs GRAND ANN, JACKSON FOSTER, LILY C., CHUCK BOONE and TOWNES JEFFERY. Vessels are urged to transit the area with caution and coordinate passing arrangements 30-minutes in advance. VHF-FM Channel: 76 and 78, POC: (228) 213-0600 Valid 2026-11-05 to 2026-11-22. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-CF3CB5SÉCURITÉSECTOR HOUSTON-GALVESTON, SUBMERGED LAND ACT (SLA) - SABINE BANK CHANNEL General / Marine Construction (Excluding Bridges) / Dredging Sabine Bank Channel - Drag Operation --- To: Until Further Notice --- The M/Vs ANNAMARIA ROSE, PAMLICO SOUND and MR. TOMMY are conducting trawling/drag operations near the Sabine Bank Channel entrance, south of Sabine Bank Channel Lighted Buoy SB (LLNR-1085). Additional on-scene vessels include the Dredge AMELIA ISLAND, Dredge GALVESTON ISLAND, and the Survey Vessels JONATHAN WOODWARD, LADY BECKY, FM BROWN, and OHIO RIVER. Mariners are urged to transit the area with caution after passing arrangements have been made. VHF-FM Channel: 16 Valid 2026-04-24 until further notice. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-1A0AA2SÉCURITÉSECTOR HOUSTON-GALVESTON, SUBMERGED LAND ACT (SLA) - SABINE BANK CHANNEL General / Marine Construction (Excluding Bridges) / Dredging Sabine Bank Channel - Dragging and Dredging Operation --- To: Until Further Notice --- The M/Vs JESSICA MARIE and SIMPLE MAN and Dredges DODGE ISLAND and ELLIS ISLAND will be conducting dredging and dragging operations in the Sabine Bank Channel between Sabine Bank Channel Lighted Buoy 21 (LLNR-22380) and Sabine Bank Channel Lighted Buoy 26 (LLNR-22395). Additional on-scene vessels may include the Survey Vessels JONATHAN WOODWARD, LADY BECKY, FM BROWN, SUN RAY, SUN FIGHTER and OHIO RIVER. Mariners are urged to transit the area with caution after passing arrangements have been made. VHF-FM Channel: 16 Valid 2026-09-08 until further notice. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- GALVESTON BAY ENTRANCE CHANNEL - HOUSTON SHIP CHANNEL General / LAA / RNA / COTP Restriction Carpenters Bayou - Houston Ship Channel - VTS Waterway Closure --- On: 2026-11-04 --- U.S. Coast Guard Vessel Traffic Service Houston-Galveston directs no vessel movements in Carpenters Bayou near the Powell Industries Terminal, from 1:00 p.m. to 5:00 p.m., due to roll on operations. Vessels will not be allowed to stop or push-in along the Houston Ship Channel during the closure. For additional information on the closure, mariners can contact the U.S. Coast Guard VTS Houston-Galveston at (281) 464-4837. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- GALVESTON BAY ENTRANCE CHANNEL - HOUSTON SHIP CHANNEL ATON / Proposed Notice of Change In order to provide a more efficient and effective Aids to Navigation signal, the Coast Guard is proposing the following Aids to Navigation Change: Change Upper Galveston Bay Outer Range Rear Light (LLNR-24210) in position 29-28.31N 094-50.93W from showing Iso G 6s, 65ft, KRW on skeleton tower on piles, visible 2° each side of rangeline to show Iso G 6s, 65ft, KRW on skeleton tower on piles, visible 1.5° each side of rangeline. Comments will be taken until November 10, 2026. Please email comments regarding this proposal to: [email protected] Position 29-28.32N 094-50.93W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- GALVESTON BAY ENTRANCE CHANNEL - HOUSTON SHIP CHANNEL ATON / Proposed Notice of Change In order to provide a more efficient and effective Aids to Navigation signal, the Coast Guard is proposing the following Aids to Navigation Change: Establish Upper Galveston Bay Outer Range Rear Passing Light (LLNR-24210.01) in position 29-28.31N 094-50.93W showing Q W, 17ft, 4NM. Comments will be taken until November 10, 2026. Please email comments regarding this proposal to: [email protected] Position 29-28.32N 094-50.93W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- PASCAGOULA CHANNEL - PASCAGOULA RIVER General / Bridges / Proposal Pascagoula River - Notice of Proposed Rulemaking - Bridge Remote Operations --- --- The U.S. Coast Guard proposes changing the operating procedures governing the CSX Drawbridge across the Pascagoula River, Mile 1.5, Pascagoula, MS. CSX has requested operating certain bridges from a remote location within the CSX Seibert Railroad Yard located in Mobile, AL. Mariners are encouraged to review the proposed regulations and provide comments regarding potential impacts to navigation, vessel operations, bridge-opening requirements, and local waterways commerce. Comments and related material must be received by November 6, 2026. Comments may be submitted on Regulations.gov, under Federal Register Document Number 2026-20545. All comments received will be posted to the docket and considered before a final rule is issued. Questions regarding this proposed rule can be directed to Mr. Douglas Blakemore, U.S. Coast Guard Heartland District Bridge Administration Branch Chief, at (504) 671-2127 or [email protected]. Valid 2026-10-23 to 2026-11-06. Position 30-22.12N 088-33.82W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-C04832PAN PANARANSAS 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 44/2026
- SECTOR MOBILE, SUBMERGED LAND ACT (SLA) - MISSISSIPPI SOUND General / Bridges / Proposal Saint Louis Bay - Mississippi Sound - Notice of Proposed Rulemaking - Bridge Remote Operations --- --- The U.S. Coast Guard proposes changing the operating procedures governing the CSX Drawbridge across Saint Louis Bay, Mile 0.5, Bay St. Louis, MS. CSX has requested operating certain bridges from a remote location within the CSX Seibert Railroad Yard located in Mobile, AL. Mariners are encouraged to review the proposed regulations and provide comments regarding potential impacts to navigation, vessel operations, bridge-opening requirements, and local waterways commerce. Comments and related material must be received by November 6, 2026. Comments may be submitted on Regulations.gov, under Federal Register Document Number 2026-20545. All comments received will be posted to the docket and considered before a final rule is issued. Questions regarding this proposed rule can be directed to Mr. Douglas Blakemore, U.S. Coast Guard Heartland District Bridge Administration Branch Chief, at (504) 671-2127 or [email protected]. Valid 2026-10-23 to 2026-11-06. Position 30-18.55N 089-18.25W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-1E57B5PAN PANARANSAS 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: ESTABLISH Private aid: Buoy W/O, FL2.5s Valid 2026-10-23 to 2026-11-05. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-678D5CPAN PANSECTOR MOBILE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Naval Activity / Naval Gunnery Exercises Gulf of America - U.S. Air Force Operation --- --- The U.S. Air Force will conduct testing operations from Santa Rosa Island, FL, into the Gulf of America. The hazard area will be active from 6:00 a.m. to 6:00 p.m., daily. The hazard area will be bound by the following approximate positions: 30-13.57N 086-52.83W, 30-18.37N 086-51.52W, 30-22.28N 086-49.82W, 30-23.18N 086-48.50W, 30-23.38N 086-47.98W, 30-23.70N 086-45.40W, 30-23.63N 086-41.33W, 30-22.57N 086-35.92W, 30-19.93N 086-31.65W, 30-18.30N 086-26.65W, 30-15.28N 086-20.38W, 30-09.97N 086-16.05W, 29-59.60N 086-18.62W, 29-54.98N 086-24.55W, 29-53.78N 086-28.10W, 29-52.63N 086-36.58W, 29-55.13N 086-45.12W, 29-59.22N 086-47.68W and 30-05.83N 086-49.12W. All vessels are required to remain clear of the operation/hazard area during the mission periods. Hot range advisories and broadcast notice to mariners will be transmitted via VHF-FM Channel 16 and on HF Upper Sideband 2182 KHZ, by the Eglin Joint Test and Training Operations Control Center (call sign: Wolfcall). Valid 2026-11-16 to 2026-11-20. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- BILOXI EAST CHANNEL - BACK BAY OF BILOXI General / Bridges / Proposal Biloxi Bay - Back Bay of Biloxi - Notice of Proposed Rulemaking - Bridge Remote Operations --- --- The U.S. Coast Guard proposes changing the operating procedures governing the CSX Drawbridge across the Back Bay of Biloxi, Mile 0.4, Biloxi, MS. CSX has requested operating certain bridges from a remote location within the CSX Seibert Railroad Yard located in Mobile, AL. Mariners are encouraged to review the proposed regulations and provide comments regarding potential impacts to navigation, vessel operations, bridge-opening requirements, and local waterways commerce. Comments and related material must be received by November 6, 2026. Comments may be submitted on Regulations.gov, under Federal Register Document Number 2026-20545. All comments received will be posted to the docket and considered before a final rule is issued. Questions regarding this proposed rule can be directed to Mr. Douglas Blakemore, U.S. Coast Guard Heartland District Bridge Administration Branch Chief, at (504) 671-2127 or [email protected]. Valid 2026-10-23 to 2026-11-06. Position 30-24.53N 088-50.98W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-98F3B7PAN PANMATAGORDA SHIP CHANNEL - PORT LAVACA CHANNEL ATON / ATON Changes Location: 28-37.21N 096-37.29W Aid Name: Port Lavaca Danger Breakwater Light LLNR: 27767.02 Action: ESTABLISH Private aid: FL2.5s, Non-lateral WO, 13ft on pile Valid 2026-10-27 to 2026-11-09. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-79080EPAN PANSECTOR MOBILE, TERRITORIAL SEA - SECTOR MOBILE, SUBMERGED LAND ACT (SLA) General / Naval Activity / Military Operations Gulf of America - U.S. Navy Operation --- --- The U.S. Navy will be conducting an unexploded ordnance exercise with a ROV in the Gulf of America near approximate position 29-59.54N 085-37.48W. Operations will be conducted 24-hours a day, 7-days a week. On-scene vessels will include the M/V HOS MYSTIQUE, a ROV, and the M/Vs PSC-08 and PSC-12. Mariners should maintain at least a one mile closest point of approach from the operating area and all U.S. Naval support vessels. VHF-FM Channels: 16, 81 or 82 Valid 2026-10-23 to 2026-11-07. Position 29-59.53N 085-37.48W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- SECTOR NEW ORLEANS, SUBMERGED LAND ACT (SLA) - ADAMS BAY General / Hazards To Navigation / Obstructions Adams Bay - Exposed Pipeline --- Reported: 2026-10-27 --- An exposed pipeline has been reported in the vicinity of Adams Bay, in approximate position 29-23.73N 089-37.70W, on October 27, 2026. The exposed pipeline is reportedly not marked. Mariners are urged to transit this area with caution. Position 29-23.73N 089-37.70W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-71CA66SÉCURITÉGALVESTON BAY ENTRANCE CHANNEL - TEXAS CITY CHANNEL General / Marine Construction (Excluding Bridges) / Facilities, Barriers, Manmade Reefs, Riprap, Jetties / Dikes Texas City Channel - Monopile Operation --- --- Monopile driving operations will be conducted along the Texas City Channel near Docks 42 and 43. Two configurations will be utilized by the monopile operation project vessels. 1. When the materials barge is utilized, the configuration will extend to the middle of the channel and will restrict vessel transits to tows with a single barge only. 2. When the materials barge is not part of the configuration, tows with two barges may transit. U.S. Coast Guard Vessel Traffic Service Houston-Galveston will implement the following vessel traffic measures until further notice: • 7:00 a.m. - 10:00 a.m.: No ship traffic. Single barge tow transits only when materials barge is part of the monopile configuration. • 10:00 a.m. - 12:00 p.m.: Normal traffic pattern, no restrictions. • 12:00 p.m. - 4:00 p.m.: No ship traffic. Single barge tow transits only when materials barge is part of the monopile configuration. Tows are requested to coordinate at least 2-hours in advance to ensure the configuration of the operation can be determined to manage vessel transits. The M/V RUSSELL MARINE 1 will monitor VHF-FM Channels 13 and 87A, or can be contacted at (281) 979-4696 to coordinate towing vessel passing arrangements. Valid 2026-11-02 to 2026-11-06. Position 29-21.82N 094-53.52W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-101B9FSÉCURITÉTOMBIGBEE RIVER General / Marine Construction (Excluding Bridges) / Facilities, Barriers, Manmade Reefs, Riprap, Jetties / Dikes Tombigbee River - Offloading Operation --- On: 2026-11-20 and 2026-11-21 --- The navigation channel on the Tombigbee River, Mile 89.8 (Jackson Landing), will be partially blocked during daylight hours for equipment offloading operations. The barge/tow will be perpendicular to the bank at the landing, extending approximately 270 ft toward the middle of the river. Each evening, equipment will be broken down and the channel will be cleared for navigation to pass. Mariners are urged to exercise extreme caution when transiting the area and should contact the M/V ISLAND TRADER when approaching the area. VHF-FM Channels: 13 and 16, POC: (314) 378-9801 Position 31-29.60N 087-54.32W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- GRAND ISLAND CHANNEL - LAKE BORGNE General / Hazards To Navigation / Obstructions Bayou Bienvenue - Submerged Obstructions --- Reported: 2026-10-29 --- A white PVC pipe and logs have been reported submerged in the vicinity of Bayou Bienvenue, in approximate position 30-00.25N 089-52.26W, on October 29, 2026. The white PVC pipe and logs are reportedly not marked. Mariners are urged to avoid this area. Position 30-00.25N 089-52.27W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- SECTOR MOBILE, SUBMERGED LAND ACT (SLA) - BILOXI CHANNEL General / Marine Events / Fireworks Biloxi Channel - Fireworks Display --- On: 2026-11-05 --- A barge-based fireworks display will take place north of the Biloxi Channel, from 9:00 p.m. until 9:30 p.m., approximately 500 ft southwest of Grand Casino Light (LLNR-9055). The barge will be located in approximate position 30-23.36N 088-52.01W. Mariners may experience an increase in recreational vessels in the area for the duration of the event. Vessels should transit the area with caution and maintain a safe distance from the fireworks barge. For general information during the event, the sponsor may be contacted on VHF-FM Channel 16 or at (850) 685-5724. Concerned parties may report any hazardous conditions to the U.S. Coast Guard Sector Mobile Command Center at (251) 266-5888 or Waterways Management Division at (251) 382-8653. Position 30-23.37N 088-52.02W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- MOBILE BAR - MOBILE CHANNEL General / LAA / RNA / Safety Zone Mobile Channel - Mobile River - Dead Ship Movement - Safety Zone --- On: 2026-11-09 --- The Coast Guard will enforce a 100 yard moving Safety Zone around the S.S. UNITED STATES and all vessels officially involved in the dead ship tow of the vessel into the Gulf of America. The Safety Zone will take effect upon the vessel’s departure from Modern American Recycling Services of Alabama (M.A.R.R.S.) Pier 4 on the Mobile River. No person may enter or remain in the Safety Zone unless authorized by the COTP or a designated representative. To seek permission to enter, mariners must contact the COTP or the COTP’s representative on VHF-FM Channel 16 during the enforcement period. Those in the zone must comply with all lawful orders or directions given to them by the COTP or the COTP’s designated representative. Once the S.S. UNITED STATES arrives at the sinking location in the Gulf of America, vessels that are not part of the operation should remain at least one nautical mile from the S.S. UNITED STATES until the sinking is complete. This stand-off distance is necessary to ensure the safety of workers onboard the S.S. UNITED STATES, and to protect the public from hazards associated with the sinking of a large vessel. Unauthorized vessels approaching too close to the S.S. UNITED STATES at the sinking location may be boarded by USCG law enforcement personnel, and vessel operators may be subject to civil penalties or other enforcement action. Concerned parties should contact the U.S. Coast Guard Sector Mobile Command Center at (251) 266-5888 or on VHF-FM Channel 16. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- LNM08G-9779C8SÉCURITÉSECTOR HOUSTON-GALVESTON, SUBMERGED LAND ACT (SLA) - CALCASIEU CHANNEL General / Marine Construction (Excluding Bridges) / Dredging Calcasieu Channel – Calcasieu Loop – Dredge Operation --- --- 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 29-47.81N 093-19.72W. 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, 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 Valid 2026-11-06 to 2026-11-26. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- SECTOR NEW ORLEANS, SUBMERGED LAND ACT (SLA) - ADAMS BAY General / Hazards To Navigation / Obstructions Ferrand Bay - Adams Bay - Exposed Pipelines --- Reported: 2026-10-27 --- Exposed pipelines have been reported in the vicinity of Ferrand Bay and Adams Bay, in approximate positions 29-19.97N 089-36.06W, 29-19.57N 089-36.34W, 29-19.47N 089-36.41W, 29-19.40N 089-36.44W and 29-19.25N 089-36.52W. The exposed pipelines are reportedly not marked. Mariners are urged to transit this area with caution. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- SECTOR HOUSTON-GALVESTON, SUBMERGED LAND ACT (SLA) General / Hazards To Navigation / Obstructions Gulf of America - Galveston - Adrift Green Buoy --- Reported: 2026-11-02 --- A green buoy has been reported adrift off the Galveston Beach, in approximate position 29-16.96N 094-47.83W, on November 2, 2026. The adrift green buoy is reportedly not marked. Mariners are urged to use extreme caution in this area and report any sightings or findings to the nearest U.S. Coast Guard unit. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- SECTOR NEW ORLEANS, EXCLUSIVE ECONOMIC ZONE (EEZ) ATON / ATON Changes Location: 28-24.89N 092-29.34W Aid Name: Talos-103-14 LLNR: Not Provided Action: DISCONTINUE Platform: remove platform obstruction symbol. Platform removed and site cleared. Valid 2026-10-29 to 2026-11-11. USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- MOBILE CHANNEL - MOBILE RIVER General / Bridges / Proposal Three Mile Creek - Notice of Proposed Rulemaking - Bridge Remote Operations --- --- The U.S. Coast Guard proposes changing the operating procedures governing the CSX Drawbridge across Three Mile Creek, Mobile, AL. CSX has requested operating certain bridges from a remote location within the CSX Seibert Railroad Yard located in Mobile, AL. Mariners are encouraged to review the proposed regulations and provide comments regarding potential impacts to navigation, vessel operations, bridge-opening requirements, and local waterways commerce. Comments and related material must be received by November 6, 2026. Comments may be submitted on Regulations.gov, under Federal Register Document Number 2026-20545. All comments received will be posted to the docket and considered before a final rule is issued. Questions regarding this proposed rule can be directed to Mr. Douglas Blakemore, U.S. Coast Guard Heartland District Bridge Administration Branch Chief, at (504) 671-2127 or [email protected]. Valid 2026-10-23 to 2026-11-06. Position 30-44.30N 088-02.67W USCG Heartland (Gulf) District Local Notice to Mariners 44/2026
- SOUTH 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 submerged and aground in the vicinity of California Bay, in approximate position 29-29.51N 089-35.88W, on October 17, 2026. The partially submerged F/V is reportedly not marked. Mariners are urged to avoid this area. Position 29-29.52N 089-35.88W USCG Heartland (Gulf) District Local Notice to Mariners 43/2026
- SECTOR MOBILE, TERRITORIAL SEA - SECTOR MOBILE, SUBMERGED LAND ACT (SLA) General / Naval Activity / Naval Testing (Surface / Underwater) Gulf of America - U.S. Navy Operation --- --- The U.S. Navy will operate an unmanned surface vehicle (USV) towing underwater equipment in the Gulf of America, in the offshore waters of Panama City Beach, FL. The operating area will be bound by approximate positions: 30-07.98N 085-55.33W, 30-07.98N 085-50.71W, 30-03.94N 085-50.71W and 30-03.94N 085-55.32W. Two U.S. Naval support vessels will be on-scene during the USV operation. Mariners should maintain a wide berth from all U.S. Naval craft and are requested to avoid the area. VHF-FM Channel: 16 Valid 2025-09-03 to 2026-10-31. USCG Heartland (Gulf) District Local Notice to Mariners 43/2026
- THE RIGOLETS General / Bridges / Temp Deviation The Rigolets - Temporary Bridge Deviation --- --- Construction will be conducted on the CSX Railroad Drawbridge crossing The Rigolets. During construction, the bridge will operate under the following modified bridge schedule: The bridge will be closed to vessels each day, Monday through Saturday, from 8:30 a.m. to 12:00 p.m., and again from 1:15 p.m. to 4:45 p.m. The bridge will operate as normal, Monday through Saturday, from 12:00 p.m. to 1:15 p.m., and from 4:45 p.m. to 8:30 a.m., the following day. The channel will be a no wake zone at all times. Mariners should transit the bridge with caution and contact the bridge tender for any updates to the schedule. Valid 2026-01-30 to 2026-10-31. Position 30-09.37N 089-37.73W USCG Heartland (Gulf) District Local Notice to Mariners 43/2026
- LNM08G-3CCAFEPAN PANSECTOR MOBILE, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Naval Activity / Naval Gunnery Exercises Gulf of America - U.S. Air Force Operation --- --- The U.S. Air Force will conduct munition launches in the Gulf of America. The hazard area will be active November 3, 4, and 10, 2026, from 5:30 a.m. to 12:30 p.m., and November 5, 6, and 9, 2026, from 5:00 a.m. to 12:30 p.m. The hazard area will be bound by the following approximate positions: 30-18.67N 086-57.18W, 30-22.48N 086-50.21W, 30-23.70N 086-50.47W, 30-24.27N 086-46.89W, 30-22.61N 086-43.22W, 30-22.05N 086-32.47W, 30-15.93N 086-25.29W, 30-10.37N 085-58.26W, 29-46.08N 086-03.13W and 29-56.32N 086-57.15W. All vessels are required to remain clear of the operation/hazard area during the mission periods. Hot range advisories and broadcast notice to mariners will be transmitted via VHF-FM Channel 16 and on HF Upper Sideband 2182 KHZ, by the Eglin Joint Test and Training Operations Control Center (call sign: Wolfcall). Valid 2026-11-03 to 2026-11-10. USCG Heartland (Gulf) District Local Notice to Mariners 43/2026
- LNM08G-2275A2SÉCURITÉSECTOR CORPUS CHRISTI, SUBMERGED LAND ACT (SLA) - BRAZOS SANTIAGO PASS General / Marine Construction (Excluding Bridges) / Dredging Brazos Santiago Entrance Channel – Dredge Operation --- --- The Dredge GLENN Edwards will be working in the Brazos Santiago Entrance Channel, pumping spoils to the discharge site along the beach at Andy Bowie Park on South Padre Island. Operations will be conducted 24-hours a day, 7-days a week. Waterside staging areas for vessels, equipment, and pipeline, will be located in the Port Isabel turning basin and Barracuda Cove. On-scene vessels will include the M/V MAMCY M, Crew Boat COLONEL, and T/Vs CAPT CJ, JACK K, and CAPT BOUDREAUX. Mariners are urged to transit near the dredge at their slowest safe speed to minimize wake and proceed with caution after passing arrangements have been made. VHF-FM Channels: 13, 16, 66 and 67 Valid 2026-10-20 to 2026-11-30. USCG Heartland (Gulf) District Local Notice to Mariners 43/2026
- LNM08G-0A5FAESÉCURITÉSECTOR NEW ORLEANS, SUBMERGED LAND ACT (SLA) - TIGER PASS General / Marine Construction (Excluding Bridges) / Facilities, Barriers, Manmade Reefs, Riprap, Jetties / Dikes Tiger Pass - West Bay - Well and Pipeline Removal --- --- 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 Valid 2026-09-21 to 2026-10-31. USCG Heartland (Gulf) District Local Notice to Mariners 43/2026
- SECTOR NEW ORLEANS, EXCLUSIVE ECONOMIC ZONE (EEZ) General / Hazards To Navigation / Wrecks Gulf of America - Partially Submerged and Adrift F/V --- Reported: 2026-10-14 --- The F/V KAYLA MAUREEN, 81FT in length, has been reported partially submerged and adrift, in updated approximate position 29-26.44N 088-32.63W, on October 16, 2026. The partially submerged and adrift F/V KAYLA MAUREEN is reportedly not marked. Mariners are urged to transit the area with caution and are requested to report any sightings or findings to their nearest U.S. Coast Guard unit. Position 29-26.45N 088-32.63W USCG Heartland (Gulf) District Local Notice to Mariners 43/2026
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