Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
774 WHUS73 KMQT 140823 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 423 AM EDT Mon Sep 14 2026 LMZ221-142030- /O.NEW.KMQT.SC.Y.0135.260914T2100Z-260915T0300Z/ /O.UPG.KMQT.GL.A.0024.260915T0300Z-260915T1200Z/ /O.NEW.KMQT.GL.W.0044.260915T0300Z-260915T1200Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 423 AM EDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM EDT THIS EVENING... ...GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT TUESDAY... * WHAT...For the Small Craft Advisory, south winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. For the Gale Warning, south to southwest winds 20 to 30 kt with gusts up to 35 kt and waves 4 to 7 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...For the Small Craft Advisory, from 5 PM this afternoon to 11 PM EDT this evening. For the Gale Warning, from 11 PM this evening to 8 AM EDT Tuesday. * 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. && $$ LSZ240-142030- /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T1200Z-260915T2100Z/ /O.NEW.KMQT.SC.Y.0135.260914T2200Z-260915T1200Z/ Saxon Harbor WI to Black River MI- 423 AM EDT Mon Sep 14 2026 /323 AM CDT Mon Sep 14 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT /5 PM CDT/ THIS EVENING TO 8 AM EDT /7 AM CDT/ TUESDAY... ...GALE WARNING IN EFFECT FROM 8 AM EDT /7 AM CDT/ TO 5 PM EDT /4 PM CDT/ TUESDAY... * WHAT...For the Small Craft Advisory, south to southwest winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. For the Gale Warning, southwest to west winds 15 to 25 kt with gusts up to 40 kt and waves 3 to 6 ft expected. * WHERE...Saxon Harbor WI to Black River MI. * WHEN...For the Small Craft Advisory, from 6 PM EDT /5 PM CDT/ this evening to 8 AM EDT /7 AM CDT/ Tuesday. For the Gale Warning, from 8 AM EDT /7 AM CDT/ to 5 PM EDT /4 PM CDT/ Tuesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ241>243-142030- /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T1200Z-260916T0000Z/ /O.NEW.KMQT.SC.Y.0135.260914T2200Z-260915T1200Z/ Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 423 AM EDT Mon Sep 14 2026 /323 AM CDT Mon Sep 14 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EDT /5 PM CDT/ THIS EVENING TO 8 AM EDT /7 AM CDT/ TUESDAY... ...GALE WARNING IN EFFECT FROM 8 AM EDT /7 AM CDT/ TO 8 PM EDT /7 PM CDT/ TUESDAY... * WHAT...For the Small Craft Advisory, south to southwest winds 10 to 20 kt with a few gale force gusts up to 35 kt possible and waves 1 to 4 ft expected. For the Gale Warning, west winds 25 to 35 kt with a few storm force gusts up to 50 kt possible and waves 8 to 13 ft expected. * WHERE...Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...For the Small Craft Advisory, from 6 PM EDT /5 PM CDT/ this evening to 8 AM EDT /7 AM CDT/ Tuesday. For the Gale Warning, from 8 AM EDT /7 AM CDT/ to 8 PM EDT /7 PM CDT/ Tuesday. * 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. && $$ LSZ244-245-142030- /O.NEW.KMQT.SC.Y.0135.260914T2100Z-260915T0000Z/ /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T0000Z-260916T0000Z/ Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 423 AM EDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...GALE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT TUESDAY... * WHAT...For the Small Craft Advisory, southeast winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. For the Gale Warning, south to southwest winds 15 to 25 kt with gusts up to 40 kt tonight becoming west winds 25 to 35 kt with a few storm force gusts up to 50 kt possible on Tuesday; waves 8 to 13 ft expected. * WHERE...Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...For the Small Craft Advisory, from 5 PM this afternoon to 8 PM EDT this evening. For the Gale Warning, from 8 PM this evening to 8 PM EDT Tuesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ246-142030- /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T1400Z-260916T0000Z/ /O.NEW.KMQT.SC.Y.0135.260914T2100Z-260915T1400Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 423 AM EDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 10 AM EDT TUESDAY... ...GALE WARNING IN EFFECT FROM 10 AM TO 8 PM EDT TUESDAY... * WHAT...For the Small Craft Advisory, southeast slowly veering to southwest with time winds 10 to 20 kt with a few gale force gusts up to 35 kt possible and waves 2 to 5 ft expected. For the Gale Warning, west winds 20 to 25 kt with gusts up to 45 kt and waves 2 to 5 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...For the Small Craft Advisory, from 5 PM this afternoon to 10 AM EDT Tuesday. For the Gale Warning, from 10 AM to 8 PM EDT Tuesday. * 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. && $$ LSZ247-142030- /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T1400Z-260916T0000Z/ /O.NEW.KMQT.SC.Y.0135.260914T2300Z-260915T1400Z/ Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 423 AM EDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EDT TUESDAY... ...GALE WARNING IN EFFECT FROM 10 AM TO 8 PM EDT TUESDAY... * WHAT...For the Small Craft Advisory, south to southwest winds 15 to 20 kt with a few gale force gusts up to 35 kt possible and waves 1 to 3 ft expected. For the Gale Warning, west winds 15 to 25 kt with gusts up to 45 kt and waves 3 to 6 ft expected. * WHERE...Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...For the Small Craft Advisory, from 7 PM this evening to 10 AM EDT Tuesday. For the Gale Warning, from 10 AM to 8 PM EDT Tuesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ248-142030- /O.NEW.KMQT.SC.Y.0135.260914T2100Z-260915T0000Z/ /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T0000Z-260916T0000Z/ Huron Islands to Marquette MI- 423 AM EDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM EDT THIS EVENING... ...GALE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT TUESDAY... * WHAT...For the Small Craft Advisory, southeast to south winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Warning, south winds 20 to 25 kt with gusts up to 40 kt tonight becoming west winds 20 to 30 kt with gusts up to 45 kt on Tuesday; waves 4 to 7 ft expected. * WHERE...Huron Islands to Marquette MI. * WHEN...For the Small Craft Advisory, from 5 PM this afternoon to 8 PM EDT this evening. For the Gale Warning, from 8 PM this evening to 8 PM EDT Tuesday. * 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. && $$ LSZ249-142030- /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T0300Z-260915T1200Z/ /O.NEW.KMQT.SC.Y.0135.260914T2100Z-260915T0300Z/ Marquette to Munising MI- 423 AM EDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM EDT THIS EVENING... ...GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT TUESDAY... * WHAT...For the Small Craft Advisory, south winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. For the Gale Warning, south winds 15 to 25 kt with gusts up to 40 kt and waves 2 to 4 ft expected. * WHERE...Marquette to Munising MI. * WHEN...For the Small Craft Advisory, from 5 PM this afternoon to 11 PM EDT this evening. For the Gale Warning, from 11 PM this evening to 8 AM EDT Tuesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ251-142030- /O.CON.KMQT.SC.Y.0132.000000T0000Z-260914T0900Z/ /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T0700Z-260915T1300Z/ Grand Marais to Whitefish Point MI- 423 AM EDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT EARLY THIS MORNING... ...GALE WARNING IN EFFECT FROM 3 AM TO 9 AM EDT TUESDAY... * WHAT...For the Small Craft Advisory, northwest winds around 10 kt with gusts up to 15 kt and waves 3 to 4 ft occurring. For the Gale Warning, south winds 20 to 30 kt with gusts up to 35 kt and waves 3 to 6 ft expected. * WHERE...Grand Marais to Whitefish Point MI. * WHEN...For the Small Craft Advisory, until 5 AM EDT early this morning. For the Gale Warning, from 3 AM to 9 AM EDT Tuesday. * 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. && $$ LSZ250-142030- /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T0600Z-260916T0000Z/ /O.NEW.KMQT.SC.Y.0135.260914T2200Z-260915T0600Z/ Munising to Grand Marais MI- 423 AM EDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 2 AM EDT TUESDAY... ...GALE WARNING IN EFFECT FROM 2 AM TO 8 PM EDT TUESDAY... * WHAT...For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. For the Gale Warning, south winds 20 to 25 kt with gusts up to 35 kt late tonight die down below gales before becoming west to northwest winds 15 to 25 kt with gusts up to 35 kt by Tuesday afternoon; waves 5 to 8 ft expected. * WHERE...Munising to Grand Marais MI. * WHEN...For the Small Craft Advisory, from 6 PM this evening to 2 AM EDT Tuesday. For the Gale Warning, from 2 AM to 8 PM EDT Tuesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-142030- /O.NEW.KMQT.SC.Y.0135.260914T2100Z-260915T0300Z/ /O.UPG.KMQT.GL.A.0024.260915T0300Z-260915T1200Z/ /O.NEW.KMQT.GL.W.0044.260915T0300Z-260915T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 423 AM EDT Mon Sep 14 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM EDT THIS EVENING... ...GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT TUESDAY... * WHAT...For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. For the Gale Warning, south to southwest winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 12 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Small Craft Advisory, from 5 PM this afternoon to 11 PM EDT this evening. For the Gale Warning, from 11 PM this evening to 8 AM EDT Tuesday. * 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. && $$ LSZ162-142030- /O.UPG.KMQT.GL.A.0024.260915T0900Z-260915T2100Z/ /O.NEW.KMQT.GL.W.0044.260915T1100Z-260915T2000Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 423 AM EDT Mon Sep 14 2026 /323 AM CDT Mon Sep 14 2026/ ...GALE WARNING IN EFFECT FROM 7 AM EDT /6 AM CDT/ TO 4 PM EDT /3 PM CDT/ TUESDAY... * WHAT...Southwest to west winds 20 to 30 kt with gusts up to 45 kt and waves 6 to 9 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 7 AM EDT /6 AM CDT/ to 4 PM EDT /3 PM CDT/ Tuesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ263-264-142030- /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T0400Z-260916T0000Z/ 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- 423 AM EDT Mon Sep 14 2026 ...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM EDT TUESDAY... * WHAT...South to southwest winds 15 to 25 kt with gusts up to 35 kt tonight becoming southwest to west winds 25 to 35 kt with gusts up to 45 kt by Tuesday; waves 9 to 14 ft expected. * WHERE...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 midnight tonight to 8 PM EDT Tuesday. * 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. && $$ LSZ265-266-142030- /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T0000Z-260916T0000Z/ Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 423 AM EDT Mon Sep 14 2026 ...GALE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 8 PM EDT TUESDAY... * WHAT...South winds 20 to 35 kt with gusts up to 40 kt tonight becoming west winds 20 to 30 kt with gusts up to 45 kt by Tuesday; waves 6 to 11 ft expected. * WHERE...Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...From 8 PM this evening to 8 PM EDT Tuesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ267-142030- /O.UPG.KMQT.GL.A.0024.260915T0000Z-260916T0000Z/ /O.NEW.KMQT.GL.W.0044.260915T0700Z-260915T1300Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 423 AM EDT Mon Sep 14 2026 ...GALE WARNING IN EFFECT FROM 3 AM TO 9 AM EDT TUESDAY... * WHAT...South winds 25 to 30 kt with gusts up to 40 kt and waves 6 to 9 ft expected. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...From 3 AM to 9 AM EDT Tuesday. * 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. && $$ TAP