Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
356 WHUS73 KMQT 040819 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 419 AM EDT Sat Oct 4 2025 LSZ242-243-042030- /O.CON.KMQT.SC.Y.0154.251004T1200Z-251005T1800Z/ /O.CON.KMQT.GL.A.0022.251005T1800Z-251006T0600Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 419 AM EDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 2 PM EDT SUNDAY... ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. For the Gale Watch, southwest winds 20 to 25 kt with gusts up to 35 kt and waves 4 to 7 ft possible. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI and Upper Entrance of Portage Canal to Eagle River MI. * WHEN...For the Small Craft Advisory, from 8 AM this morning to 2 PM EDT Sunday. For the Gale Watch, from Sunday afternoon through late Sunday night. * 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. && $$ LSZ244-042030- /O.CON.KMQT.SC.Y.0154.251004T1500Z-251005T1800Z/ /O.CON.KMQT.GL.A.0022.251005T1800Z-251006T0600Z/ Eagle River to Manitou Island MI- 419 AM EDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 2 PM EDT SUNDAY... ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. For the Gale Watch, south winds 15 to 20 kt with gusts up to 35 kt and waves 2 to 5 ft possible. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Small Craft Advisory, from 11 AM this morning to 2 PM EDT Sunday. For the Gale Watch, from Sunday afternoon through late Sunday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LSZ246-247-042030- /O.CON.KMQT.SC.Y.0154.251004T1500Z-251005T1800Z/ /O.CON.KMQT.GL.A.0022.251005T1800Z-251006T0600Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 419 AM EDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 2 PM EDT SUNDAY... ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...For the Small Craft Advisory, south winds 10 to 15 kt with gusts up to 30 kt and waves up to 3 ft expected. For the Gale Watch, southwest winds 15 to 20 kt with gusts up to 35 kt and waves 1 to 3 ft possible. * 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, from 11 AM this morning to 2 PM EDT Sunday. For the Gale Watch, from Sunday afternoon through late Sunday night. * 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. && $$ LSZ245-042030- /O.CON.KMQT.SC.Y.0155.251005T1200Z-251005T1800Z/ /O.CON.KMQT.GL.A.0022.251005T1800Z-251006T0600Z/ Manitou Island to Point Isabelle MI- 419 AM EDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM TO 2 PM EDT SUNDAY... ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...For the Small Craft Advisory, south winds 10 to 15 kt with gusts up to 25 kt and waves 2 to 4 ft expected. For the Gale Watch, south winds 15 to 20 kt with gusts up to 35 kt and waves 3 to 5 ft possible. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Small Craft Advisory, from 8 AM to 2 PM EDT Sunday. For the Gale Watch, from Sunday afternoon through late Sunday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LSZ248-042030- /O.CON.KMQT.SC.Y.0154.251004T1800Z-251005T1800Z/ /O.CON.KMQT.GL.A.0022.251005T1800Z-251006T0600Z/ Huron Islands to Marquette MI- 419 AM EDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 PM EDT SUNDAY... ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...For the Small Craft Advisory, south winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 2 ft expected. For the Gale Watch, south winds 15 to 20 kt with gusts up to 35 kt and waves 1 to 3 ft possible. * WHERE...Huron Islands to Marquette MI. * WHEN...For the Small Craft Advisory, from 2 PM this afternoon to 2 PM EDT Sunday. For the Gale Watch, from Sunday afternoon through late Sunday night. * 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. && $$ LSZ249-250-042030- /O.CON.KMQT.SC.Y.0154.251004T2100Z-251005T1800Z/ /O.CON.KMQT.GL.A.0022.251005T1800Z-251006T0600Z/ Marquette to Munising MI-Munising to Grand Marais MI- 419 AM EDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 PM EDT SUNDAY... ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...For the Small Craft Advisory, south winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. For the Gale Watch, south winds 15 to 25 kt with gusts up to 35 kt and waves 1 to 4 ft possible. * WHERE...Marquette to Munising MI and Munising to Grand Marais MI. * WHEN...For the Small Craft Advisory, from 5 PM this afternoon to 2 PM EDT Sunday. For the Gale Watch, from Sunday afternoon through late Sunday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$ LMZ221-042030- /O.CON.KMQT.SC.Y.0154.251004T2100Z-251006T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 419 AM EDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM EDT SUNDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage. * WHEN...From 5 PM this afternoon to 8 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ240-042030- /O.CON.KMQT.SC.Y.0154.251004T1500Z-251006T0000Z/ Saxon Harbor WI to Black River MI- 419 AM EDT Sat Oct 4 2025 /319 AM CDT Sat Oct 4 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM EDT /10 AM CDT/ THIS MORNING TO 8 PM EDT /7 PM CDT/ SUNDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Saxon Harbor WI to Black River MI. * WHEN...From 11 AM EDT /10 AM CDT/ this morning to 8 PM EDT /7 PM CDT/ Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ241-042030- /O.CON.KMQT.SC.Y.0154.251004T1500Z-251006T0000Z/ Black River to Ontonagon MI- 419 AM EDT Sat Oct 4 2025 /319 AM CDT Sat Oct 4 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM EDT /10 AM CDT/ THIS MORNING TO 8 PM EDT /7 PM CDT/ SUNDAY... * WHAT...South winds 15 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Black River to Ontonagon MI. * WHEN...From 11 AM EDT /10 AM CDT/ this morning to 8 PM EDT /7 PM CDT/ Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LMZ248-250-042030- /O.CON.KMQT.SC.Y.0154.251004T2100Z-251006T0000Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 419 AM EDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM EDT SUNDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft expected. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...From 5 PM this afternoon to 8 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ251-042030- /O.CON.KMQT.SC.Y.0154.251004T2100Z-251006T0000Z/ Grand Marais to Whitefish Point MI- 419 AM EDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 PM EDT SUNDAY... * WHAT...South winds 15 to 25 kt with gusts up to 30 kt and waves 1 to 4 ft expected. * WHERE...Grand Marais to Whitefish Point MI. * WHEN...From 5 PM this afternoon to 8 PM EDT Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ162-263>266-042030- /O.CON.KMQT.GL.A.0022.251005T1800Z-251006T0600Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 419 AM EDT Sat Oct 4 2025 /319 AM CDT Sat Oct 4 2025/ ...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY NIGHT... * WHAT...Southwest winds 15 to 25 kt with gusts up to 40 kt and waves 5 to 8 ft possible. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM, Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park, Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border, Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore and Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...From Sunday afternoon through late Sunday night. * IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and waves. && $$