Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
879 WHUS73 KMQT 090858 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 358 AM EST Tue Dec 9 2025 LSZ249-250-092100- /O.CON.KMQT.SC.Y.0196.000000T0000Z-251209T1200Z/ /O.NEW.KMQT.GL.W.0059.251210T1200Z-251211T0300Z/ Marquette to Munising MI-Munising to Grand Marais MI- 358 AM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... ...GALE WARNING IN EFFECT FROM 7 AM TO 10 PM EST WEDNESDAY... * WHAT...For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft occurring. For the Gale Warning, north winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 12 ft expected. * WHERE...Marquette to Munising MI and Munising to Grand Marais MI. * WHEN...For the Small Craft Advisory, until 7 AM EST this morning. For the Gale Warning, 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. && $$ LSZ242>244-263-264-092100- /O.NEW.KMQT.GL.W.0059.251210T0900Z-251210T1600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 358 AM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 4 AM TO 11 AM EST WEDNESDAY... * WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 10 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper Entrance of Portage Canal to Eagle River MI, Eagle River to Manitou Island MI, Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park and Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border. * WHEN...From 4 AM to 11 AM EST Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ245-247-248-265-092100- /O.NEW.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- 358 AM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 7 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...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. && $$ LSZ266-092100- /O.NEW.KMQT.GL.W.0059.251210T1200Z-251211T0300Z/ Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 358 AM EST Tue Dec 9 2025 ...GALE WARNING IN EFFECT FROM 7 AM TO 10 PM EST WEDNESDAY... * WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves 6 to 11 ft expected. * WHERE...Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...From 7 AM to 10 PM EST Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-091800- /O.CON.KMQT.SC.Y.0196.000000T0000Z-251209T1800Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 358 AM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves 6 to 9 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 1 PM EST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-091400- /O.CON.KMQT.SC.Y.0196.000000T0000Z-251209T1400Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 358 AM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... * WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 9 AM EST this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ251-091200- /O.CON.KMQT.SC.Y.0196.000000T0000Z-251209T1200Z/ Grand Marais to Whitefish Point MI- 358 AM EST Tue Dec 9 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... * WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft occurring. * WHERE...Grand Marais to Whitefish Point MI. * WHEN...Until 7 AM EST this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$