Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
899 WHUS73 KMQT 050330 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1030 PM EST Thu Dec 4 2025 LSZ162-240>242-263-050900- /O.CON.KMQT.GL.W.0058.000000T0000Z-251205T0900Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM-Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal 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- 1030 PM EST Thu Dec 4 2025 /930 PM CST Thu Dec 4 2025/ ...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM EST /3 AM CST/ FRIDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 12 ft occurring. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM, Saxon Harbor WI to Black River MI, Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal 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...Until 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. && $$ LSZ243>251-264>267-051200- /O.CON.KMQT.GL.W.0058.000000T0000Z-251205T1200Z/ Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Grand Marais to Whitefish Point MI- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 1030 PM EST Thu Dec 4 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 12 ft occurring. * WHERE...Portions of Central, Eastern and Western Lake Superior. * WHEN...Until 7 AM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ221-248-250-051200- /O.CON.KMQT.GL.W.0058.000000T0000Z-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- 1030 PM EST Thu Dec 4 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY... * WHAT...Southwest winds 20 to 30 kt with gusts up to 40 kt and waves 6 to 9 ft occurring. * 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...Until 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. && $$