Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
768 WHUS73 KMQT 201855 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 255 PM EDT Sun Sep 20 2026 LMZ221-210600- /O.CON.KMQT.SC.Y.0137.000000T0000Z-260921T0600Z/ Green Bay North of line from Cedar River MI to Rock Island Passage- 255 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY... * WHAT...Northeast winds 10 to 15 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 2 AM 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. && $$ LSZ240-241-210300- /O.CON.KMQT.SC.Y.0137.000000T0000Z-260921T0300Z/ Saxon Harbor WI to Black River MI-Black River to Ontonagon MI- 255 PM EDT Sun Sep 20 2026 /155 PM CDT Sun Sep 20 2026/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT /10 PM CDT/ THIS EVENING... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft occurring. * WHERE...Saxon Harbor WI to Black River MI and Black River to Ontonagon MI. * WHEN...Until 11 PM EDT /10 PM CDT/ this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ242>244-210000- /O.CON.KMQT.SC.Y.0137.000000T0000Z-260921T0000Z/ Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- 255 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Northeast winds 10 to 15 kt with gusts up to 25 kt and waves 3 to 5 ft occurring. * 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...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. && $$ LSZ245>247-210000- /O.CON.KMQT.SC.Y.0137.000000T0000Z-260921T0000Z/ Manitou Island to Point Isabelle MI- Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 255 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft occurring. * WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to Lower Entrance of Portage Canal MI and Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ248>251-210600- /O.CON.KMQT.SC.Y.0137.000000T0000Z-260921T0600Z/ Huron Islands to Marquette MI-Marquette to Munising MI- Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 255 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY... * WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and waves 3 to 5 ft occurring. * WHERE...Huron Islands to Marquette MI, Marquette to Munising MI, Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...Until 2 AM 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. && $$ LMZ248-250-210600- /O.CON.KMQT.SC.Y.0137.000000T0000Z-260921T0600Z/ Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 255 PM EDT Sun Sep 20 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT MONDAY... * WHAT...Northeast winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 3 ft occurring. * WHERE...Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...Until 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$