Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
817 WHUS73 KMQT 300903 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 403 AM EST Sun Nov 30 2025 LSZ245>248-265-302115- /O.CON.KMQT.GL.W.0056.000000T0000Z-251201T0000Z/ Manitou Island to Point Isabelle MI- 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- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 403 AM EST Sun Nov 30 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... * WHAT...North winds 15 to 25 kt with gusts up to 35 kt shifting northwest this afternoon. Waves 6 to 9 ft expected. * WHERE...Manitou Island to Point Isabelle MI, 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 and Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore. * WHEN...From 4 AM to 7 PM EST Sunday. * 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. && $$ LSZ249-250-266-302115- /O.CON.KMQT.GL.W.0056.251130T1200Z-251201T0200Z/ Marquette to Munising MI-Munising to Grand Marais MI- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 403 AM EST Sun Nov 30 2025 ...GALE WARNING REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 9 PM EST THIS EVENING... * WHAT...North winds 20 to 25 kt with gusts up to 35 kt shifting northwest this afternoon. Waves 6 to 9 ft expected. * WHERE...Marquette to Munising MI, Munising to Grand Marais MI and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...From 7 AM to 9 PM EST Sunday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ251-267-302115- /O.CON.KMQT.GL.W.0056.251130T1800Z-251201T0000Z/ Grand Marais to Whitefish Point MI- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 403 AM EST Sun Nov 30 2025 ...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EST THIS EVENING... * WHAT...North winds 20 to 25 kt with gusts up to 35 kt shifting northwest this afternoon. Waves 6 to 8 ft expected. * WHERE...Grand Marais to Whitefish Point MI and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...From 1 PM to 7 PM EST Sunday. * 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. && $$ LSZ240>242-302115- /O.EXT.KMQT.SC.Y.0189.000000T0000Z-251201T0600Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- 403 AM EST Sun Nov 30 2025 /303 AM CST Sun Nov 30 2025/ ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM EST /MIDNIGHT CST/ MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt shifting northwest this afternoon. Waves 6 to 9 ft expected. * WHERE...Saxon Harbor WI to Black River MI, Black River to Ontonagon MI and Ontonagon to Upper Entrance of Portage Canal MI. * WHEN...Until 1 AM EST /midnight CST/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ243-244-302115- /O.EXT.KMQT.SC.Y.0189.000000T0000Z-251201T1000Z/ Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- 403 AM EST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM EST MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt shifting northwest this afternoon. Waves 5 to 8 ft expected. * WHERE...Upper Entrance of Portage Canal to Eagle River MI and Eagle River to Manitou Island MI. * WHEN...Until 5 AM EST 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. && $$ LMZ221-248-250-302115- /O.CON.KMQT.SC.Y.0189.000000T0000Z-251201T0300Z/ Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 403 AM EST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS EVENING... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt shifting northwest this afternoon. Waves 2 to 5 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage, Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 1 AM to 10 PM EST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$