


Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
570 WHUS73 KMQT 140020 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 820 PM EDT Mon Oct 13 2025 LSZ242-140400- /O.EXT.KMQT.SC.Y.0160.000000T0000Z-251014T0400Z/ Ontonagon to Upper Entrance of Portage Canal MI- 820 PM EDT Mon Oct 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... * WHAT...West to northwest winds around 15 kt with gusts up to 25 kt and waves 3 to 5 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI. * WHEN...Until midnight EDT tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ243-141000- /O.EXT.KMQT.SC.Y.0160.000000T0000Z-251014T1000Z/ Upper Entrance of Portage Canal to Eagle River MI- 820 PM EDT Mon Oct 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM EDT TUESDAY... * WHAT...West to northwest winds 15 to 20 kt with gusts up to 25 kt and waves 4 to 6 ft occurring. * WHERE...Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 6 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ244-141230- /O.EXT.KMQT.SC.Y.0161.000000T0000Z-251014T1500Z/ Eagle River to Manitou Island MI- 820 PM EDT Mon Oct 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM EDT TUESDAY... * WHAT...West to northwest winds 15 to 20 kt with gusts up to 25 kt and waves 4 to 7 ft occurring. * WHERE...Eagle River to Manitou Island MI. * WHEN...Until 11 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ245-140900- /O.EXT.KMQT.SC.Y.0161.000000T0000Z-251014T0900Z/ Manitou Island to Point Isabelle MI- 820 PM EDT Mon Oct 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM EDT TUESDAY... * WHAT...West to northwest winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft occurring. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...Until 5 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ246-247-140300- /O.EXT.KMQT.SC.Y.0160.000000T0000Z-251014T0300Z/ Point Isabelle to Lower Entrance of Portage Canal MI- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 820 PM EDT Mon Oct 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM EDT THIS EVENING... * WHAT...West winds 10 to 15 kt with gusts up to 25 kt and waves 1 to 2 ft occurring. * 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...Until 11 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. && $$ LSZ249-141230- /O.EXT.KMQT.SC.Y.0161.251014T0600Z-251014T1800Z/ Marquette to Munising MI- 820 PM EDT Mon Oct 13 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 AM TO 2 PM EDT TUESDAY... * WHAT...Northwest to north winds 10 to 20 kt and waves 2 to 5 ft expected. * WHERE...Marquette to Munising MI. * WHEN...From 2 AM to 2 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ250-251-141230- /O.CON.KMQT.SC.Y.0161.251014T0600Z-251015T0000Z/ Munising to Grand Marais MI-Grand Marais to Whitefish Point MI- 820 PM EDT Mon Oct 13 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 PM EDT TUESDAY... * WHAT...Northwest to north winds 15 to 20 kt with gusts up to 25 kt and waves 3 to 6 ft expected. * WHERE...Munising to Grand Marais MI and Grand Marais to Whitefish Point MI. * WHEN...From 2 AM to 8 PM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ TAP