Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
964 WHUS73 KMQT 041531 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1031 AM EST Thu Dec 4 2025 LSZ249>251-050345- /O.CON.KMQT.SC.Y.0192.000000T0000Z-251205T0000Z/ /O.CON.KMQT.GL.W.0058.251205T0000Z-251205T1200Z/ Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- 1031 AM EST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST FRIDAY... * WHAT...For the Small Craft Advisory, west winds 15 to 25 kt with gusts up to 30 kt and waves 7 to 12 ft occurring. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 40 kt and waves 2 to 5 ft expected. * WHERE...Marquette to Munising MI, Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...For the Small Craft Advisory, until 7 PM EST this evening. For the Gale Warning, from 7 PM this evening to 7 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. && $$ LSZ241-050345- /O.CON.KMQT.SC.Y.0191.000000T0000Z-251204T2100Z/ /O.CON.KMQT.GL.W.0058.251204T2100Z-251205T0900Z/ Black River to Ontonagon MI- 1031 AM EST Thu Dec 4 2025 /931 AM CST Thu Dec 4 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST /3 PM CST/ THIS AFTERNOON... ...GALE WARNING REMAINS IN EFFECT FROM 4 PM EST /3 PM CST/ THIS AFTERNOON TO 4 AM EST /3 AM CST/ FRIDAY... * WHAT...For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 4 ft occurring. For the Gale Warning, southwest winds 15 to 25 kt with gusts up to 35 kt and waves 4 to 7 ft expected. * WHERE...Black River to Ontonagon MI. * WHEN...For the Small Craft Advisory, until 4 PM EST /3 PM CST/ this afternoon. For the Gale Warning, from 4 PM EST /3 PM CST/ this afternoon to 4 AM EST /3 AM CST/ Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ242-050345- /O.CON.KMQT.SC.Y.0191.000000T0000Z-251204T2100Z/ /O.CON.KMQT.GL.W.0058.251204T2100Z-251205T0900Z/ Ontonagon to Upper Entrance of Portage Canal MI- 1031 AM EST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... ...GALE WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM EST FRIDAY... * WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 5 ft occurring. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI. * WHEN...For the Small Craft Advisory, until 4 PM EST this afternoon. For the Gale Warning, from 4 PM this afternoon 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. && $$ LSZ243-244-050345- /O.CON.KMQT.SC.Y.0191.000000T0000Z-251205T0000Z/ /O.CON.KMQT.GL.W.0058.251205T0000Z-251205T1200Z/ Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- 1031 AM EST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST FRIDAY... * WHAT...For the Small Craft Advisory, southwest winds 15 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. For the Gale Warning, southwest winds 20 to 30 kt with gusts up to 40 kt and waves 6 to 11 ft expected. * WHERE...Upper Entrance of Portage Canal to Eagle River MI and Eagle River to Manitou Island MI. * WHEN...For the Small Craft Advisory, until 7 PM EST this evening. For the Gale Warning, from 7 PM this evening to 7 AM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ245>248-050345- /O.CON.KMQT.SC.Y.0192.000000T0000Z-251205T0000Z/ /O.CON.KMQT.GL.W.0058.251205T0000Z-251205T1200Z/ 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- 1031 AM EST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST FRIDAY... * WHAT...For the Small Craft Advisory, southwest winds 10 to 20 kt with gusts up to 25 kt and waves 2 to 5 ft occurring. For the Gale Warning, southwest winds 15 to 25 kt with gusts up to 35 kt and waves 2 to 5 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 and Huron Islands to Marquette MI. * WHEN...For the Small Craft Advisory, until 7 PM EST this evening. For the Gale Warning, from 7 PM this evening to 7 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. && $$ LSZ162-240-263-050345- /O.CON.KMQT.GL.W.0058.251204T2100Z-251205T0900Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM-Saxon Harbor WI to Black River MI- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- 1031 AM EST Thu Dec 4 2025 /931 AM CST Thu Dec 4 2025/ ...GALE WARNING REMAINS IN EFFECT FROM 4 PM EST /3 PM CST/ THIS AFTERNOON TO 4 AM EST /3 AM CST/ FRIDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves 8 to 13 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM, Saxon Harbor WI to Black River MI and Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park. * WHEN...From 4 PM EST /3 PM CST/ this afternoon to 4 AM EST /3 AM CST/ Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ264>267-050345- /O.CON.KMQT.GL.W.0058.251205T0000Z-251205T1200Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 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- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 1031 AM EST Thu Dec 4 2025 ...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST FRIDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 12 ft expected. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, 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 and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...From 7 PM this evening to 7 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. && $$ LMZ221-248-250-050345- /O.CON.KMQT.GL.W.0058.251205T0300Z-251205T1200Z/ Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 1031 AM EST Thu Dec 4 2025 ...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EST FRIDAY... * WHAT...Southwest winds 25 to 35 kt with gusts up to 40 kt and waves 6 to 9 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage, Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 10 PM this evening to 7 AM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$