Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
449 WHUS73 KMQT 112053 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 353 PM EST Tue Nov 11 2025 LSZ241-242-120900- /O.CON.KMQT.SC.Y.0177.000000T0000Z-251112T0600Z/ /O.CON.KMQT.GL.W.0050.251112T0600Z-251113T0000Z/ Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- 353 PM EST Tue Nov 11 2025 /253 PM CST Tue Nov 11 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST /MIDNIGHT CST/ WEDNESDAY... ...GALE WARNING REMAINS IN EFFECT FROM 1 AM EST /MIDNIGHT CST/ TO 7 PM EST /6 PM CST/ WEDNESDAY... * WHAT...For the Small Craft Advisory, west winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. For the Gale Warning, northwest winds 20 to 25 kt with gusts up to 35 kt and waves 6 to 9 ft expected. * WHERE...Black River to Ontonagon MI and Ontonagon to Upper Entrance of Portage Canal MI. * WHEN...For the Small Craft Advisory, until 1 AM EST /midnight CST/ Wednesday. For the Gale Warning, from 1 AM EST /midnight CST/ to 7 PM EST /6 PM CST/ 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. && $$ LSZ243>245-120900- /O.CON.KMQT.SC.Y.0177.000000T0000Z-251112T0600Z/ /O.CON.KMQT.GL.W.0050.251112T0600Z-251113T0600Z/ Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 353 PM EST Tue Nov 11 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST WEDNESDAY... ...GALE WARNING REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST THURSDAY... * WHAT...For the Small Craft Advisory, west winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. For the Gale Warning, northwest winds 20 to 25 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Upper Entrance of Portage Canal to Eagle River MI, Eagle River to Manitou Island MI and Manitou Island to Point Isabelle MI. * WHEN...For the Small Craft Advisory, until 1 AM EST Wednesday. For the Gale Warning, from 1 AM Wednesday to 1 AM EST Thursday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ246-247-120900- /O.CON.KMQT.SC.Y.0177.251111T2100Z-251112T0600Z/ /O.CON.KMQT.GL.W.0050.251112T0600Z-251113T0600Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 353 PM EST Tue Nov 11 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST WEDNESDAY... ...GALE WARNING REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST THURSDAY... * WHAT...For the Small Craft Advisory, west winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. For the Gale Warning, northwest winds 15 to 25 kt with gusts up to 35 kt and waves 1 to 4 ft expected. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...For the Small Craft Advisory, until 1 AM EST Wednesday. For the Gale Warning, from 1 AM Wednesday to 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. && $$ LSZ263-120900- /O.CON.KMQT.GL.W.0050.251112T0600Z-251113T0000Z/ Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- 353 PM EST Tue Nov 11 2025 ...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 7 PM EST WEDNESDAY... * WHAT...Northwest winds 20 to 25 kt with gusts up to 35 kt and waves 5 to 8 ft expected. * WHERE...Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park. * WHEN...From 1 AM to 7 PM EST Wednesday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ248>251-264>267-120900- /O.CON.KMQT.GL.W.0050.251112T0600Z-251113T0600Z/ 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- 353 PM EST Tue Nov 11 2025 ...GALE WARNING REMAINS IN EFFECT FROM 1 AM WEDNESDAY TO 1 AM EST THURSDAY... * WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 12 ft expected. * WHERE...Portions of Central, Eastern and Western Lake Superior. * WHEN...From 1 AM Wednesday to 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. && $$ LMZ248-250-120900- /O.EXT.KMQT.SC.Y.0177.000000T0000Z-251113T0300Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 353 PM EST Tue Nov 11 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EST WEDNESDAY... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 10 PM EST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-120900- /O.EXT.KMQT.SC.Y.0177.000000T0000Z-251113T0300Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 353 PM EST Tue Nov 11 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EST WEDNESDAY... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 5 ft occurring. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 10 PM EST Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-120900- /O.CON.KMQT.SC.Y.0177.000000T0000Z-251113T0000Z/ Saxon Harbor WI to Black River MI- 353 PM EST Tue Nov 11 2025 /253 PM CST Tue Nov 11 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST /6 PM CST/ WEDNESDAY... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves 3 to 6 ft occurring. * WHERE...Saxon Harbor WI to Black River MI. * WHEN...Until 7 PM EST /6 PM CST/ Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$