Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
780 WHUS73 KMQT 121455 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1055 AM EDT Sun Oct 12 2025 LSZ244-245-130300- /O.CON.KMQT.SC.Y.0160.000000T0000Z-251012T2100Z/ /O.CON.KMQT.GL.W.0044.251012T2100Z-251013T1200Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 1055 AM EDT Sun Oct 12 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON... ...GALE WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 AM EDT MONDAY... * WHAT...For the Small Craft Advisory, southeast winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft occurring. For the Gale Warning, south winds 15 to 25 kt with gusts up to 35 kt and waves 3 to 6 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...For the Small Craft Advisory, until 5 PM EDT this afternoon. For the Gale Warning, from 5 PM this afternoon to 8 AM EDT Monday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ264>266-130300- /O.CON.KMQT.GL.W.0044.251012T2100Z-251013T1200Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 1055 AM EDT Sun Oct 12 2025 ...GALE WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 AM EDT MONDAY... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and waves 5 to 8 ft expected. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...From 5 PM this afternoon to 8 AM EDT Monday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ221-248-250-130300- /O.CON.KMQT.SC.Y.0160.251013T0400Z-251013T1200Z/ Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1055 AM EDT Sun Oct 12 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage, Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From midnight tonight to 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-130300- /O.CON.KMQT.SC.Y.0160.000000T0000Z-251013T1200Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 1055 AM EDT Sun Oct 12 2025 /955 AM CDT Sun Oct 12 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT /7 AM CDT/ MONDAY... * WHAT...South winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 8 AM EDT /7 AM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-243-130300- /O.CON.KMQT.SC.Y.0160.000000T0000Z-251013T1200Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1055 AM EDT Sun Oct 12 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...South winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246>248-130300- /O.CON.KMQT.SC.Y.0160.251012T1500Z-251013T1200Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- 1055 AM EDT Sun Oct 12 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...South winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI, Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays and Huron Islands to Marquette MI. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ249>251-130300- /O.CON.KMQT.SC.Y.0160.251012T1500Z-251013T1200Z/ Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- 1055 AM EDT Sun Oct 12 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY... * WHAT...South winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. * WHERE...Marquette to Munising MI, Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...Until 8 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$