Marine Weather Message
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
689 WHUS73 KMQT 271950 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 250 PM EST Thu Nov 27 2025 LSZ246-280800- /O.CAN.KMQT.GL.W.0053.000000T0000Z-251128T0400Z/ /O.EXT.KMQT.SC.Y.0188.251127T1950Z-251128T1500Z/ Point Isabelle to Lower Entrance of Portage Canal MI- 250 PM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM EST FRIDAY... * WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and waves up to 3 ft occurring. * WHERE...Point Isabelle to Lower Entrance of Portage Canal MI. * WHEN...Until 10 AM 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. && $$ LSZ245-280800- /O.EXT.KMQT.GL.W.0053.000000T0000Z-251128T0600Z/ /O.EXT.KMQT.SC.Y.0188.251128T0600Z-251129T0000Z/ Manitou Island to Point Isabelle MI- 250 PM EST Thu Nov 27 2025 ...GALE WARNING NOW IN EFFECT UNTIL 1 AM EST FRIDAY... ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 AM TO 7 PM EST FRIDAY... * WHAT...For the Gale Warning, north winds 20 to 25 kt with gusts up to 35 kt and waves 5 to 8 ft occurring. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 4 to 7 ft expected. * WHERE...Manitou Island to Point Isabelle MI. * WHEN...For the Gale Warning, until 1 AM EST Friday. For the Small Craft Advisory, from 1 AM to 7 PM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ244-280800- /O.CON.KMQT.GL.W.0054.000000T0000Z-251128T0600Z/ /O.CON.KMQT.SC.Y.0188.251128T0600Z-251129T0300Z/ Eagle River to Manitou Island MI- 250 PM EST Thu Nov 27 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST FRIDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 10 PM EST FRIDAY... * WHAT...For the Gale Warning, north winds 25 to 30 kt with gusts up to 35 kt and waves 9 to 12 ft occurring. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 7 to 10 ft expected. * WHERE...Eagle River to Manitou Island MI. * WHEN...For the Gale Warning, until 1 AM EST Friday. For the Small Craft Advisory, from 1 AM to 10 PM EST Friday. * 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. && $$ LSZ248-280800- /O.CON.KMQT.GL.W.0053.000000T0000Z-251128T0400Z/ /O.CON.KMQT.SC.Y.0188.251128T0400Z-251129T0300Z/ Huron Islands to Marquette MI- 250 PM EST Thu Nov 27 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 10 PM EST FRIDAY... * WHAT...For the Gale Warning, northwest winds 25 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft occurring. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 7 to 10 ft expected. * WHERE...Huron Islands to Marquette MI. * WHEN...For the Gale Warning, until 11 PM EST this evening. For the Small Craft Advisory, from 11 PM this evening to 10 PM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ249-280800- /O.CON.KMQT.GL.W.0053.000000T0000Z-251128T1200Z/ /O.CON.KMQT.SC.Y.0188.251128T1200Z-251129T0900Z/ Marquette to Munising MI- 250 PM EST Thu Nov 27 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM FRIDAY TO 4 AM EST SATURDAY... * WHAT...For the Gale Warning, northwest winds 25 to 30 kt with gusts up to 40 kt and waves 12 to 17 ft occurring. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 7 to 12 ft expected. * WHERE...Marquette to Munising MI. * WHEN...For the Gale Warning, until 7 AM EST Friday. For the Small Craft Advisory, from 7 AM Friday to 4 AM EST Saturday. * 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. && $$ LSZ250-280800- /O.CON.KMQT.GL.W.0053.000000T0000Z-251128T1200Z/ /O.CON.KMQT.SC.Y.0188.251128T1200Z-251129T0900Z/ Munising to Grand Marais MI- 250 PM EST Thu Nov 27 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM FRIDAY TO 4 AM EST SATURDAY... * WHAT...For the Gale Warning, northwest winds 25 to 30 kt with gusts up to 40 kt and waves 12 to 17 ft occurring. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 8 to 13 ft expected. * WHERE...Munising to Grand Marais MI. * WHEN...For the Gale Warning, until 7 AM EST Friday. For the Small Craft Advisory, from 7 AM Friday to 4 AM EST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ251-280800- /O.CON.KMQT.GL.W.0053.000000T0000Z-251128T1200Z/ /O.CON.KMQT.SC.Y.0188.251128T1200Z-251129T0900Z/ Grand Marais to Whitefish Point MI- 250 PM EST Thu Nov 27 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM FRIDAY TO 4 AM EST SATURDAY... * WHAT...For the Gale Warning, north winds 25 to 30 kt with gusts up to 40 kt and waves 10 to 15 ft occurring. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 7 to 12 ft expected. * WHERE...Grand Marais to Whitefish Point MI. * WHEN...For the Gale Warning, until 7 AM EST Friday. For the Small Craft Advisory, from 7 AM Friday to 4 AM EST Saturday. * 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. && $$ LMZ221-248-250-280800- /O.CON.KMQT.GL.W.0053.000000T0000Z-251128T0000Z/ /O.EXT.KMQT.SC.Y.0188.251128T0000Z-251129T0000Z/ Green Bay North of line from Cedar River MI to Rock Island Passage-Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 250 PM EST Thu Nov 27 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO 7 PM EST FRIDAY... * WHAT...For the Gale Warning, northwest winds 20 to 25 kt with gusts up to 35 kt and waves 2 to 5 ft occurring. For the Small Craft Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft expected. * WHERE...Green Bay North of line from Cedar River MI to Rock Island Passage, Seul Choix Point to Point Detour MI and 5NM East of a line from Fairport MI to Rock Island Passage. * WHEN...For the Gale Warning, until 7 PM EST this evening. For the Small Craft Advisory, from 7 PM this evening to 7 PM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ264-280600- /O.CON.KMQT.GL.W.0054.000000T0000Z-251128T0600Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 250 PM EST Thu Nov 27 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST FRIDAY... * WHAT...North winds 25 to 30 kt with gusts up to 35 kt and waves 7 to 10 ft occurring. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border. * WHEN...Until 1 AM EST Friday. * 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. && $$ LSZ267-280800- /O.CON.KMQT.GL.W.0053.000000T0000Z-251128T1200Z/ Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 250 PM EST Thu Nov 27 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY... * WHAT...North winds 25 to 30 kt with gusts up to 40 kt and waves 10 to 15 ft occurring. * WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...Until 7 AM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ265-280600- /O.CON.KMQT.GL.W.0055.000000T0000Z-251128T0600Z/ Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 250 PM EST Thu Nov 27 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 1 AM EST FRIDAY... * WHAT...Northwest winds 25 to 30 kt with gusts up to 35 kt and waves 6 to 11 ft occurring. * WHERE...Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore. * WHEN...Until 1 AM EST Friday. * 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. && $$ LSZ266-280800- /O.CON.KMQT.GL.W.0055.000000T0000Z-251128T1200Z/ Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- 250 PM EST Thu Nov 27 2025 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM EST FRIDAY... * WHAT...Northwest winds 25 to 30 kt with gusts up to 40 kt and waves 10 to 15 ft occurring. * WHERE...Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore. * WHEN...Until 7 AM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ247-280800- /O.EXT.KMQT.SC.Y.0188.000000T0000Z-251128T1800Z/ Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 250 PM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM EST FRIDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 2 to 5 ft occurring. * WHERE...Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays. * WHEN...Until 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. && $$ LSZ240-280800- /O.CON.KMQT.SC.Y.0188.000000T0000Z-251128T1500Z/ Saxon Harbor WI to Black River MI- 250 PM EST Thu Nov 27 2025 /150 PM CST Thu Nov 27 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST /9 AM CST/ FRIDAY... * WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and waves 4 to 7 ft occurring. * WHERE...Saxon Harbor WI to Black River MI. * WHEN...Until 10 AM EST /9 AM CST/ Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ241-280800- /O.CON.KMQT.SC.Y.0188.000000T0000Z-251128T1800Z/ Black River to Ontonagon MI- 250 PM EST Thu Nov 27 2025 /150 PM CST Thu Nov 27 2025/ ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST /NOON CST/ FRIDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Black River to Ontonagon MI. * WHEN...Until 1 PM EST /noon CST/ 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. && $$ LSZ242-280800- /O.CON.KMQT.SC.Y.0188.000000T0000Z-251128T1800Z/ Ontonagon to Upper Entrance of Portage Canal MI- 250 PM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST FRIDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 5 to 8 ft occurring. * WHERE...Ontonagon to Upper Entrance of Portage Canal MI. * WHEN...Until 1 PM EST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ LSZ243-280800- /O.CON.KMQT.SC.Y.0188.000000T0000Z-251128T2100Z/ Upper Entrance of Portage Canal to Eagle River MI- 250 PM EST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST FRIDAY... * WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and waves 6 to 9 ft occurring. * WHERE...Upper Entrance of Portage Canal to Eagle River MI. * WHEN...Until 4 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. && $$ GS