Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
617 WHUS73 KMQT 200919 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 419 AM EST Thu Nov 20 2025 LSZ245>248-202130- /O.CON.KMQT.SC.Y.0182.251120T1600Z-251121T1800Z/ 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- 419 AM EST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 1 PM EST FRIDAY... * WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 3 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...From 11 AM this morning to 1 PM EST 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. && $$ LSZ242>244-202130- /O.CON.KMQT.SC.Y.0182.251120T1400Z-251121T1800Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- 419 AM EST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 1 PM EST FRIDAY... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI, Upper Entrance of Portage Canal to Eagle River MI and Eagle River to Manitou Island MI. * WHEN...From 9 AM this morning to 1 PM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-202130- /O.CON.KMQT.SC.Y.0182.251121T0000Z-251121T1800Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 419 AM EST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 1 PM EST FRIDAY... * WHAT...West winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 7 PM this evening to 1 PM EST 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. && $$ LSZ249-202130- /O.CON.KMQT.SC.Y.0183.251121T1200Z-251121T1800Z/ Marquette to Munising MI- 419 AM EST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM TO 1 PM EST FRIDAY... * WHAT...West winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Marquette to Munising MI. * WHEN...From 7 AM to 1 PM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$