Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
488 WHUS73 KMQT 031851 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 251 PM EDT Wed Sep 3 2025 LSZ244-040700- /O.CON.KMQT.GL.W.0040.000000T0000Z-250904T0000Z/ /O.EXT.KMQT.SC.Y.0140.250904T0000Z-250905T0600Z/ Eagle River to Manitou Island MI- 251 PM EDT Wed Sep 3 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 2 AM EDT FRIDAY... * WHAT...For the Gale Warning, northwest to north winds 15 to 25 kt with gusts up to 35 kt and waves 7 to 10 ft expected. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 7 to 10 ft expected. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Gale Warning, until 8 PM EDT this evening. For the Small Craft Advisory, from 8 PM this evening to 2 AM EDT 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. && $$ LSZ264-040000- /O.CON.KMQT.GL.W.0040.000000T0000Z-250904T0000Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 251 PM EDT Wed Sep 3 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Northwest to north winds 20 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ251-040700- /O.EXT.KMQT.SC.Y.0140.000000T0000Z-250905T0600Z/ Grand Marais to Whitefish Point MI- 251 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT FRIDAY... * WHAT...West to northwest winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft expected. * WHERE...Grand Marais to Whitefish Point MI. * WHEN...Until 2 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-243-040700- /O.EXT.KMQT.SC.Y.0140.000000T0000Z-250905T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 251 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT FRIDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 2 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-040700- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250904T0000Z/ /O.NEW.KMQT.GL.A.0019.250905T0600Z-250905T1800Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 251 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...GALE WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 3 ft occurring. For the Gale Watch, west winds 10 to 20 kt with gusts up to 35 kt and waves 2 to 5 ft possible. * 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, until 8 PM EDT this evening. For the Gale Watch, from late Thursday night through Friday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LMZ221-040000- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250904T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 251 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Southwest to northwest winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft occurring. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage, Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-040700- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250904T1800Z/ Saxon Harbor WI to Black River MI- 251 PM EDT Wed Sep 3 2025 /151 PM CDT Wed Sep 3 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ THURSDAY... * WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Saxon Harbor WI to Black River MI. * WHEN...Until 2 PM EDT /1 PM CDT/ Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ241-040700- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250905T0000Z/ Black River to Ontonagon MI- 251 PM EDT Wed Sep 3 2025 /151 PM CDT Wed Sep 3 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THURSDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Black River to Ontonagon MI, Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 8 PM EDT /7 PM CDT/ Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ245>248-040700- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250905T0000Z/ 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- 251 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THURSDAY... * WHAT...West to northwest winds 15 to 25 kt with gusts up to 30 kt and waves 3 to 6 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...Until 8 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ249-250-040700- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250905T0000Z/ Marquette to Munising MI-Munising to Grand Marais MI- 251 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THURSDAY... * WHAT...West to northwest winds 15 to 25 kt with gusts up to 30 kt and waves 7 to 10 ft expected. * WHERE...Marquette to Munising MI and Munising to Grand Marais MI. * WHEN...From 9 AM this morning to 8 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$