WHUS73 KMQT 151910 MWWMQT URGENT - MARINE WEATHER MESSAGE National Weather Service Marquette MI 310 PM EDT Thu Oct 15 2026 LMZ221-248-250-160715- /O.NEW.KMQT.SC.Y.0156.261016T1000Z-261016T1300Z/ /O.CON.KMQT.GL.W.0051.261016T1300Z-261017T0200Z/ 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- 310 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM TO 9 AM EDT FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 9 AM TO 10 PM EDT FRIDAY... * WHAT...For the Small Craft Advisory, north winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 3 ft expected. For the Gale Warning, north winds 20 to 30 kt with gusts up to 35 kt and waves 3 to 6 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 Small Craft Advisory, from 6 AM to 9 AM EDT Friday. For the Gale Warning, from 9 AM to 10 PM EDT 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. && $$ LSZ240-160715- /O.NEW.KMQT.SC.Y.0156.261016T0600Z-261016T0900Z/ /O.CON.KMQT.GL.W.0051.261016T0900Z-261016T1800Z/ Saxon Harbor WI to Black River MI- 310 PM EDT Thu Oct 15 2026 /210 PM CDT Thu Oct 15 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT /1 AM CDT/ TO 5 AM EDT /4 AM CDT/ FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO 2 PM EDT /1 PM CDT/ FRIDAY... * WHAT...For the Small Craft Advisory, north winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 4 ft expected. For the Gale Warning, north winds 25 to 30 kt with gusts up to 40 kt and waves 9 to 14 ft expected. * WHERE...Saxon Harbor WI to Black River MI. * WHEN...For the Small Craft Advisory, from 2 AM EDT /1 AM CDT/ to 5 AM EDT /4 AM CDT/ Friday. For the Gale Warning, from 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ241-242-160715- /O.NEW.KMQT.SC.Y.0156.261016T0600Z-261016T0900Z/ /O.CON.KMQT.GL.W.0051.261016T0900Z-261016T2000Z/ Black River to Ontonagon MI- Ontonagon to Upper Entrance of Portage Canal MI- 310 PM EDT Thu Oct 15 2026 /210 PM CDT Thu Oct 15 2026/ ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT /1 AM CDT/ TO 5 AM EDT /4 AM CDT/ FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO 4 PM EDT /3 PM CDT/ FRIDAY... * WHAT...For the Small Craft Advisory, north winds 15 to 25 kt with gusts up to 30 kt and waves 3 to 6 ft expected. For the Gale Warning, north winds 25 to 35 kt with gusts up to 40 kt and waves 10 to 15 ft expected. * WHERE...Black River to Ontonagon MI and Ontonagon to Upper Entrance of Portage Canal MI. * WHEN...For the Small Craft Advisory, from 2 AM EDT /1 AM CDT/ to 5 AM EDT /4 AM CDT/ Friday. For the Gale Warning, from 5 AM EDT /4 AM CDT/ to 4 PM EDT /3 PM CDT/ 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. && $$ LSZ243-244-160715- /O.NEW.KMQT.SC.Y.0156.261016T0600Z-261016T0900Z/ /O.CON.KMQT.GL.W.0051.261016T0900Z-261016T2100Z/ Upper Entrance of Portage Canal to Eagle River MI- Eagle River to Manitou Island MI- 310 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 5 AM EDT FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 5 AM TO 5 PM EDT FRIDAY... * WHAT...For the Small Craft Advisory, north to northeast winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 4 ft expected. For the Gale Warning, north winds 25 to 35 kt with gusts up to 45 kt and waves 10 to 15 ft expected. * WHERE...Upper Entrance of Portage Canal to Eagle River MI and Eagle River to Manitou Island MI. * WHEN...For the Small Craft Advisory, from 2 AM to 5 AM EDT Friday. For the Gale Warning, from 5 AM to 5 PM EDT Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ245>247-160715- /O.NEW.KMQT.SC.Y.0156.261016T0700Z-261016T1000Z/ /O.CON.KMQT.GL.W.0051.261016T1000Z-261017T0100Z/ 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- 310 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 6 AM EDT FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 9 PM EDT FRIDAY... * WHAT...For the Small Craft Advisory, north winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 3 ft expected. For the Gale Warning, north winds 20 to 30 kt with gusts up to 45 kt and waves 6 to 9 ft expected. * 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...For the Small Craft Advisory, from 3 AM to 6 AM EDT Friday. For the Gale Warning, from 6 AM to 9 PM EDT 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. && $$ LSZ248-160715- /O.NEW.KMQT.SC.Y.0156.261016T0700Z-261016T1000Z/ /O.CON.KMQT.GL.W.0051.261016T1000Z-261017T0100Z/ Huron Islands to Marquette MI- 310 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 6 AM EDT FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 9 PM EDT FRIDAY... * WHAT...For the Small Craft Advisory, north winds 15 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. For the Gale Warning, north winds 25 to 35 kt with gusts up to 45 kt and waves 12 to 17 ft expected. * WHERE...Huron Islands to Marquette MI. * WHEN...For the Small Craft Advisory, from 3 AM to 6 AM EDT Friday. For the Gale Warning, from 6 AM to 9 PM EDT Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ249-250-160715- /O.NEW.KMQT.SC.Y.0156.261016T0700Z-261016T1000Z/ /O.CON.KMQT.GL.W.0051.261016T1000Z-261017T0300Z/ Marquette to Munising MI-Munising to Grand Marais MI- 310 PM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM TO 6 AM EDT FRIDAY... ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM EDT FRIDAY... * WHAT...For the Small Craft Advisory, north winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 4 ft expected. For the Gale Warning, north winds 25 to 35 kt with gusts up to 45 kt and waves 14 to 19 ft expected. * WHERE...Marquette to Munising MI and Munising to Grand Marais MI. * WHEN...For the Small Craft Advisory, from 3 AM to 6 AM EDT Friday. For the Gale Warning, from 6 AM to 11 PM EDT 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. && $$ LSZ162-160715- /O.CON.KMQT.GL.W.0051.261016T0900Z-261016T1800Z/ Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 310 PM EDT Thu Oct 15 2026 /210 PM CDT Thu Oct 15 2026/ ...GALE WARNING REMAINS IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO 2 PM EDT /1 PM CDT/ FRIDAY... * WHAT...North winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 10 ft expected. * WHERE...Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM. * WHEN...From 5 AM EDT /4 AM CDT/ to 2 PM EDT /1 PM CDT/ Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ263-160715- /O.CON.KMQT.GL.W.0051.261016T0900Z-261016T2000Z/ 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- 310 PM EDT Thu Oct 15 2026 ...GALE WARNING REMAINS IN EFFECT FROM 5 AM TO 4 PM EDT FRIDAY... * WHAT...North winds 25 to 35 kt with gusts up to 40 kt and waves 9 to 14 ft expected. * WHERE...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. * WHEN...From 5 AM to 4 PM EDT 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. && $$ LSZ264-160715- /O.CON.KMQT.GL.W.0051.261016T0900Z-261016T2100Z/ Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 310 PM EDT Thu Oct 15 2026 ...GALE WARNING REMAINS IN EFFECT FROM 5 AM TO 5 PM EDT FRIDAY... * WHAT...North winds 25 to 35 kt with gusts up to 45 kt and waves 9 to 14 ft expected. * WHERE...Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border. * WHEN...From 5 AM to 5 PM EDT Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ LSZ265-160715- /O.CON.KMQT.GL.W.0051.261016T1000Z-261017T0100Z/ Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 310 PM EDT Thu Oct 15 2026 ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 9 PM EDT FRIDAY... * WHAT...North winds 25 to 35 kt with gusts up to 45 kt and waves 11 to 16 ft expected. * WHERE...Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore. * WHEN...From 6 AM to 9 PM EDT 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. && $$ LSZ251-266-267-160715- /O.CON.KMQT.GL.W.0051.261016T1000Z-261017T0300Z/ Grand Marais to Whitefish Point MI- Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 310 PM EDT Thu Oct 15 2026 ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 11 PM EDT FRIDAY... * WHAT...North winds 25 to 35 kt with gusts up to 45 kt and waves 11 to 16 ft expected. * WHERE...Grand Marais to Whitefish Point MI, Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border. * WHEN...From 6 AM to 11 PM EDT Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. && $$ TAP