Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
785 WHUS73 KMQT 130246 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 946 PM EST Wed Nov 12 2025 LSZ243>249-131500- /O.CON.KMQT.GL.W.0050.000000T0000Z-251113T0600Z/ /O.CON.KMQT.SC.Y.0178.251113T0600Z-251114T0200Z/ Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- 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- Marquette to Munising MI- 946 PM EST Wed Nov 12 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 PM EST THURSDAY... * WHAT...For the Gale Warning, northwest winds 15 to 25 kt with gusts up to 45 kt and waves 6 to 9 ft occurring. For the Small Craft Advisory, west winds 15 to 25 kt with gusts up to 35 kt and waves 6 to 9 ft expected. * WHERE...Portions of Central, Eastern and Western Lake Superior. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Small Craft Advisory, from 1 AM to 9 PM EST Thursday. * 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. && $$ LSZ250-251-131500- /O.CON.KMQT.GL.W.0050.000000T0000Z-251113T0600Z/ /O.CON.KMQT.SC.Y.0178.251113T0600Z-251114T0900Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 946 PM EST Wed Nov 12 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM THURSDAY TO 4 AM EST FRIDAY... * WHAT...For the Gale Warning, northwest winds 20 to 30 kt with gusts up to 40 kt and waves 10 to 14 ft occurring. For the Small Craft Advisory, northwest winds 20 to 30 kt with gusts up to 35 kt and waves 9 to 14 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...For the Gale Warning, until 1 AM EST Thursday. For the Small Craft Advisory, from 1 AM Thursday to 4 AM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ265-266-131200- /O.CON.KMQT.GL.W.0050.000000T0000Z-251113T1200Z/ 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- 946 PM EST Wed Nov 12 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST THURSDAY... * WHAT...Northwest winds 25 to 35 kt with gusts up to 45 kt and waves 9 to 14 ft occurring. * WHERE...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...Until 7 AM EST Thursday. * 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. && $$ LSZ264-267-130600- /O.CON.KMQT.GL.W.0050.000000T0000Z-251113T0600Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 946 PM EST Wed Nov 12 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST THURSDAY... * WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 12 ft occurring. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 1 AM EST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-131200- /O.CON.KMQT.SC.Y.0177.000000T0000Z-251113T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 946 PM EST Wed Nov 12 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THURSDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 3 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 7 AM EST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-130600- /O.CON.KMQT.SC.Y.0177.000000T0000Z-251113T0600Z/ Saxon Harbor WI to Black River MI- 946 PM EST Wed Nov 12 2025 /846 PM CST Wed Nov 12 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST /MIDNIGHT CST/ THURSDAY... * WHAT...West winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft occurring. * WHERE...Saxon Harbor WI to Black River MI. * WHEN...Until 1 AM EST /midnight CST/ Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ241-131500- /O.CON.KMQT.SC.Y.0178.000000T0000Z-251113T2100Z/ Black River to Ontonagon MI- 946 PM EST Wed Nov 12 2025 /846 PM CST Wed Nov 12 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST /3 PM CST/ THURSDAY... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Black River to Ontonagon MI. * WHEN...Until 4 PM EST /3 PM CST/ Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-131500- /O.CON.KMQT.SC.Y.0178.000000T0000Z-251114T0000Z/ Ontonagon to Upper Entrance of Portage Canal MI- 946 PM EST Wed Nov 12 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THURSDAY... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI. * WHEN...Until 7 PM EST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-131200- /O.CON.KMQT.SC.Y.0177.000000T0000Z-251113T1200Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 946 PM EST Wed Nov 12 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THURSDAY... * WHAT...Northwest winds 5 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft occurring. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 7 AM EST Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$