Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
694 WHUS73 KMQT 101837 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 237 PM EDT Fri Oct 10 2025 LSZ242-110600- /O.CAN.KMQT.GL.W.0043.000000T0000Z-251011T0000Z/ /O.NEW.KMQT.SC.Y.0159.251010T1837Z-251011T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- 237 PM EDT Fri Oct 10 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY... ...GALE WARNING IS CANCELLED... * WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI. * WHEN...Until 2 AM EDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ263-101945- /O.CAN.KMQT.GL.W.0043.000000T0000Z-251011T0000Z/ Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- 237 PM EDT Fri Oct 10 2025 ...GALE WARNING IS CANCELLED... Gales are largely dropping off this morning, with just a few gale-force gusts up to 35kts possible the rest of the afternoon, so the Gale Warning has been cancelled. $$ LSZ243-244-264-110000- /O.CON.KMQT.GL.W.0043.000000T0000Z-251011T0000Z/ Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 237 PM EDT Fri Oct 10 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Northwest winds 20 to 25 kt with gusts up to 40 kt and waves 5 to 8 ft occurring. * WHERE...Upper Entrance of Portage Canal to Eagle River MI, Eagle River to Manitou Island MI and Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border. * WHEN...Until 8 PM EDT this evening. * 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. && $$ LSZ245>250-265-266-110000- /O.CON.KMQT.GL.W.0043.000000T0000Z-251011T0000Z/ Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- Marquette to Munising MI-Munising to Grand Marais MI- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 237 PM EDT Fri Oct 10 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Northwest winds 20 to 25 kt with gusts up to 40 kt and waves 7 to 10 ft occurring. * WHERE...Portions of Central and Eastern Lake Superior. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ248-250-110645- /O.CON.KMQT.SC.Y.0158.000000T0000Z-251011T1200Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 237 PM EDT Fri Oct 10 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT SATURDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and waves 4 to 7 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 8 AM EDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ221-110645- /O.CON.KMQT.SC.Y.0158.000000T0000Z-251011T1200Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 237 PM EDT Fri Oct 10 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT SATURDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft occurring. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...Until 8 AM EDT Saturday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-241-110000- /O.CON.KMQT.SC.Y.0158.000000T0000Z-251011T0000Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 237 PM EDT Fri Oct 10 2025 /137 PM CDT Fri Oct 10 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING... * WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 8 PM EDT /7 PM CDT/ this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ251-110000- /O.CON.KMQT.SC.Y.0158.000000T0000Z-251011T0000Z/ Grand Marais to Whitefish Point MI- 237 PM EDT Fri Oct 10 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Grand Marais to Whitefish Point MI. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$