Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
160 WHUS73 KMQT 092046 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 346 PM EST Tue Dec 9 2025 LSZ242>244-263-264-100900- /O.CON.KMQT.GL.W.0059.251210T0900Z-251210T1600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 346 PM EST Tue Dec 9 2025 ...GALE WARNING REMAINS IN EFFECT FROM 4 AM TO 11 AM EST WEDNESDAY... * WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 10 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper Entrance of Portage Canal to Eagle River MI, Eagle River to Manitou Island MI, Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park and Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border. * WHEN...From 4 AM to 11 AM EST Wednesday. * 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. && $$ LSZ245-247-248-265-100900- /O.CON.KMQT.GL.W.0059.251210T1200Z-251210T1600Z/ Manitou Island to Point Isabelle MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 346 PM EST Tue Dec 9 2025 ...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 11 AM EST WEDNESDAY... * WHAT...North winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Manitou Island to Point Isabelle MI, Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays, Huron Islands to Marquette MI and Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore. * WHEN...From 7 AM to 11 AM EST Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ249-250-266-100900- /O.CON.KMQT.GL.W.0059.251210T1200Z-251211T0300Z/ 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- 346 PM EST Tue Dec 9 2025 ...GALE WARNING REMAINS IN EFFECT FROM 7 AM TO 10 PM EST WEDNESDAY... * WHAT...North winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 12 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 10 PM EST Wednesday. * 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. && $$ LMZ221-248-250-100900- /O.NEW.KMQT.SC.Y.0197.251210T0900Z-251210T2100Z/ Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 346 PM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM EST WEDNESDAY... * WHAT...North winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage, Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 4 AM to 4 PM EST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-100900- /O.NEW.KMQT.SC.Y.0197.251210T0900Z-251211T0100Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 346 PM EST Tue Dec 9 2025 /246 PM CST Tue Dec 9 2025/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EST /3 AM CST/ TO 8 PM EST /7 PM CST/ WEDNESDAY... * WHAT...North winds 15 to 20 kt with gusts up to 30 kt and waves 7 to 10 ft expected. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...From 4 AM EST /3 AM CST/ to 8 PM EST /7 PM CST/ Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$