Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
399 WHUS73 KMQT 032047 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 447 PM EDT Wed Sep 3 2025 LSZ265-040000- /O.EXA.KMQT.GL.W.0040.000000T0000Z-250904T0000Z/ Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 447 PM EDT Wed Sep 3 2025 ...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Northwest winds 25 to 30 kt and waves 6 to 9 ft occurring. * WHERE...Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore. * 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. && $$ LSZ244-040900- /O.CON.KMQT.GL.W.0040.000000T0000Z-250904T0000Z/ /O.CON.KMQT.SC.Y.0140.250904T0000Z-250905T0600Z/ Eagle River to Manitou Island MI- 447 PM EDT Wed Sep 3 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 2 AM EDT FRIDAY... * WHAT...For the Gale Warning, northwest winds 25 to 30 kt with gusts up to 35 kt and waves 9 to 11 ft occurring. For the Small Craft Advisory, west winds 20 to 30 kt and waves 6 to 11 ft expected. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Gale Warning, until 8 PM EDT this evening. For the Small Craft Advisory, from 8 PM this evening to 2 AM EDT Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ 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- 447 PM EDT Wed Sep 3 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Northwest winds 25 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. * 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. && $$ LMZ248-250-040900- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250904T0000Z/ /O.CON.KMQT.GL.A.0019.250905T0600Z-250905T1800Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 447 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...GALE WATCH REMAINS IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY AFTERNOON... * WHAT...For the Small Craft Advisory, northwest winds 15 to 20 kt with gusts up to 25 kt and waves 2 to 3 ft occurring. For the Gale Watch, west winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 ft possible. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Small Craft Advisory, until 8 PM EDT this evening. For the Gale Watch, from late Thursday night through Friday afternoon. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LMZ221-040000- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250904T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 447 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft occurring. * WHERE...Green Bay North of line from Cedar River 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. && $$ LSZ240-040900- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250904T1800Z/ Saxon Harbor WI to Black River MI- 447 PM EDT Wed Sep 3 2025 /347 PM CDT Wed Sep 3 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ THURSDAY... * WHAT...Northwest winds 15 to 25 kt and waves 4 to 7 ft occurring. * WHERE...Saxon Harbor WI to Black River MI. * WHEN...Until 2 PM EDT /1 PM CDT/ Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ241-040900- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250905T0000Z/ Black River to Ontonagon MI- 447 PM EDT Wed Sep 3 2025 /347 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. * 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. && $$ LSZ245>248-040900- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250905T0000Z/ Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays-Huron Islands to Marquette MI- 447 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THURSDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to Lower Entrance of Portage Canal MI, Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays and Huron Islands to Marquette MI. * WHEN...Until 8 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ249-250-040900- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250905T0000Z/ Marquette to Munising MI-Munising to Grand Marais MI- 447 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THURSDAY... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves 7 to 12 ft occurring. * WHERE...Marquette to Munising MI and Munising to Grand Marais 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. && $$ LSZ251-040900- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250905T0600Z/ Grand Marais to Whitefish Point MI- 447 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves 7 to 10 ft occurring. * WHERE...Grand Marais to Whitefish Point MI. * WHEN...Until 2 AM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242-243-040900- /O.CON.KMQT.SC.Y.0140.000000T0000Z-250905T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 447 PM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT FRIDAY... * WHAT...West winds 15 to 25 kt with gusts up to 35 kt and waves 6 to 9 ft occurring. * WHERE...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. && $$