


Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
548 WHUS73 KMQT 061629 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 1229 PM EDT Sun Apr 6 2025 LSZ162-070030- /O.EXB.KMQT.GL.W.0032.250407T0300Z-250407T0900Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 1229 PM EDT Sun Apr 6 2025 /1129 AM CDT Sun Apr 6 2025/ ...GALE WARNING IN EFFECT FROM 11 PM EDT /10 PM CDT/ THIS EVENING TO 5 AM EDT /4 AM CDT/ MONDAY... * WHAT...North winds 20 to 25 kt with gusts up to 35 kt and waves 4 to 7 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 11 PM EDT /10 PM CDT/ this evening to 5 AM EDT /4 AM CDT/ Monday. * 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. && $$ LSZ267-070030- /O.EXB.KMQT.GL.W.0032.250407T0900Z-250407T1500Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 1229 PM EDT Sun Apr 6 2025 ...GALE WARNING IN EFFECT FROM 5 AM TO 11 AM EDT MONDAY... * WHAT...North winds 20 to 25 kt with gusts up to 35 kt and waves 6 to 9 ft expected. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...From 5 AM to 11 AM EDT Monday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ241>244-263-264-070030- /O.CON.KMQT.GL.W.0032.250407T0300Z-250407T1200Z/ Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island 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- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 1229 PM EDT Sun Apr 6 2025 /1129 AM CDT Sun Apr 6 2025/ ...GALE WARNING REMAINS IN EFFECT FROM 11 PM EDT /10 PM CDT/ THIS EVENING TO 8 AM EDT /7 AM CDT/ MONDAY... * WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 10 ft expected. * WHERE...Portions of Western Lake Superior. * WHEN...From 11 PM EDT /10 PM CDT/ this evening to 8 AM EDT /7 AM CDT/ Monday. * 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. && $$ LSZ245-265-266-070030- /O.CON.KMQT.GL.W.0032.250407T0600Z-250407T1800Z/ Manitou Island to Point Isabelle MI- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 1229 PM EDT Sun Apr 6 2025 ...GALE WARNING REMAINS IN EFFECT FROM 2 AM TO 2 PM EDT MONDAY... * WHAT...North winds 20 to 25 kt with gusts up to 35 kt and waves 7 to 10 ft expected. * WHERE...Manitou Island to Point Isabelle MI, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...From 2 AM to 2 PM EDT Monday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LMZ221-248-250-070030- /O.CON.KMQT.SC.Y.0076.250407T0600Z-250408T0000Z/ 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- 1229 PM EDT Sun Apr 6 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 PM EDT MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * 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...From 2 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-070030- /O.CON.KMQT.SC.Y.0076.250407T0300Z-250407T2100Z/ Saxon Harbor WI to Black River MI- 1229 PM EDT Sun Apr 6 2025 /1129 AM CDT Sun Apr 6 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM EDT /10 PM CDT/ THIS EVENING TO 5 PM EDT /4 PM CDT/ MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and waves 6 to 9 ft expected. * WHERE...Saxon Harbor WI to Black River MI. * WHEN...From 11 PM EDT /10 PM CDT/ this evening to 5 PM EDT /4 PM CDT/ Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-070030- /O.CON.KMQT.SC.Y.0076.250407T0400Z-250407T2100Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1229 PM EDT Sun Apr 6 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 5 PM EDT MONDAY... * WHAT...North winds 10 to 20 kt with gusts up to 30 kt and waves 3 to 6 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...From midnight tonight to 5 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248-070030- /O.CON.KMQT.SC.Y.0076.250407T0400Z-250408T0000Z/ Huron Islands to Marquette MI- 1229 PM EDT Sun Apr 6 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM EDT MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and waves 6 to 11 ft expected. * WHERE...Huron Islands to Marquette MI. * WHEN...From midnight tonight to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ249-250-070030- /O.CON.KMQT.SC.Y.0076.250407T0600Z-250408T0000Z/ Marquette to Munising MI-Munising to Grand Marais MI- 1229 PM EDT Sun Apr 6 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 PM EDT MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and waves 6 to 11 ft expected. * WHERE...Marquette to Munising MI and Munising to Grand Marais MI. * WHEN...From 2 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ251-070030- /O.CON.KMQT.SC.Y.0076.250407T0800Z-250408T0000Z/ Grand Marais to Whitefish Point MI- 1229 PM EDT Sun Apr 6 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 PM EDT MONDAY... * WHAT...North winds 15 to 25 kt with gusts up to 30 kt and waves 6 to 9 ft expected. * WHERE...Grand Marais to Whitefish Point MI. * WHEN...From 4 AM to 8 PM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$