Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
913 FZUS53 KMQT 030902 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 AM EDT Wed Sep 3 2025 For waters within five nautical miles of shore Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LMZ221-032000- Green Bay North of line from Cedar River MI to Rock Island Passage- 502 AM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .EARLY THIS MORNING...Southwest wind 15 to 20 knots. Showers likely and a chance of thunderstorms. Waves 2 to 4 feet. .TODAY...West wind 15 to 20 knots veering northwest by late morning. Cloudy. Showers likely and a chance of thunderstorms through mid morning, then a slight chance of showers by late morning. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. .TONIGHT...Northwest wind 15 to 20 knots backing west late. Partly cloudy. A slight chance of waterspouts through late evening. A slight chance of rain showers through midnight. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. .THURSDAY...West wind 10 to 20 knots becoming 10 to 15 knots in the afternoon. Partly cloudy. Waves subsiding to 1 to 2 feet. .THURSDAY NIGHT...Southwest wind 10 to 20 knots. Cloudy. A chance of rain showers in the evening, then rain showers and a slight chance of thunderstorms after midnight. A slight chance of waterspouts through the night. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. $$ LMZ248-250-032000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 502 AM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .EARLY THIS MORNING...Southwest wind 15 to 20 knots. Showers likely and a chance of thunderstorms. Waves 2 to 4 feet. .TODAY...West wind 15 to 20 knots veering northwest by late morning. Cloudy. Showers and a chance of thunderstorms through mid morning, then a chance of showers and a slight chance of thunderstorms by late morning. A slight chance of showers late. A slight chance of waterspouts by late morning. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .TONIGHT...Northwest wind 15 to 20 knots backing west late. Mostly cloudy through late evening then becoming mostly clear. A slight chance of waterspouts through late evening. A slight chance of rain showers through midnight. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. .THURSDAY...West wind 15 to 20 knots backing southwest 10 to 15 knots in the afternoon. Partly cloudy. A slight chance of rain showers in the morning. Waves subsiding to 1 to 2 feet. .THURSDAY NIGHT...Southwest wind 10 to 20 knots. Cloudy. A chance of showers in the evening, then showers and a slight chance of thunderstorms after midnight. A slight chance of waterspouts through the night. Waves building to 3 to 5 feet occasionally to 7 feet. $$ LSZ240-032000- Saxon Harbor WI to Black River MI- 502 AM EDT Wed Sep 3 2025 /402 AM CDT Wed Sep 3 2025/ ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .EARLY THIS MORNING...Northwest wind 20 to 25 knots. Cloudy with a chance of showers. Waves 2 to 4 feet building to 3 to 6 feet occasionally to 8 feet. .TODAY...Northwest wind 15 to 25 knots. Cloudy with a chance of showers. A slight chance of waterspouts by late morning. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 25 knots becoming 15 to 20 knots late. Cloudy. A chance of rain showers through midnight, then a slight chance of rain showers late. A slight chance of waterspouts through the night. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .THURSDAY...West wind 15 to 20 knots. Mostly cloudy. A slight chance of rain showers in the afternoon. A slight chance of waterspouts in the afternoon. Waves subsiding to 2 to 3 feet. .THURSDAY NIGHT...Southwest wind 10 to 20 knots veering west after midnight. Cloudy. Showers likely in the evening, then a chance of showers after midnight. A slight chance of waterspouts through the night. Waves subsiding to 1 to 2 feet. $$ LSZ241-032000- Black River to Ontonagon MI- 502 AM EDT Wed Sep 3 2025 /402 AM CDT Wed Sep 3 2025/ ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .EARLY THIS MORNING...Northwest wind 20 to 25 knots. Cloudy with a chance of showers. Waves 3 to 6 feet occasionally to 8 feet. .TODAY...Northwest wind 20 to 25 knots. A chance of showers through early afternoon, then showers likely late. A slight chance of waterspouts by late morning. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 20 to 25 knots. Cloudy with a chance of showers. A slight chance of waterspouts. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .THURSDAY...West wind 20 to 25 knots diminishing to 15 to 20 knots in the afternoon. Mostly cloudy. A chance of showers in the morning. A slight chance of waterspouts in the morning. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 2 to 4 feet. .THURSDAY NIGHT...West wind 10 to 20 knots. Showers likely. A slight chance of waterspouts. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet. $$ LSZ242-243-032000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 502 AM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .EARLY THIS MORNING...Northwest wind 20 to 25 knots. Showers likely. Waves 3 to 6 feet occasionally to 8 feet building to 4 to 7 feet occasionally to 9 feet. .TODAY...North wind 20 to 25 knots with gusts up to 32 knots. Showers likely through mid morning, then a chance of showers by late morning. Showers likely late. A slight chance of waterspouts by late morning. Waves building to 6 to 9 feet occasionally to 11 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. .TONIGHT...Northwest wind 20 to 25 knots. Cloudy. A chance of rain showers through late evening, then rain showers by midnight. A slight chance of waterspouts through the night. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .THURSDAY...Northwest wind 20 to 25 knots backing west in the afternoon. Mostly cloudy. Rain showers in the morning, then a slight chance of rain showers in the afternoon. A slight chance of waterspouts through the day. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .THURSDAY NIGHT...West wind 10 to 20 knots. Cloudy. A chance of showers in the evening, then showers likely after midnight. A slight chance of waterspouts through the night. Waves subsiding to 2 to 3 feet. $$ LSZ245-032000- Manitou Island to Point Isabelle MI- 502 AM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .EARLY THIS MORNING...Northwest wind 10 to 20 knots. Cloudy with a chance of showers and a slight chance of thunderstorms. Waves 2 to 3 feet building to 2 to 4 feet. .TODAY...Northwest wind 20 to 25 knots with gusts up to 33 knots. Cloudy. A chance of showers through early afternoon, then showers likely late. A slight chance of waterspouts late. Waves building to 6 to 9 feet occasionally to 11 feet, then subsiding to 5 to 8 feet occasionally to 10 feet. .TONIGHT...Northwest wind 20 to 25 knots with gusts up to 32 knots. Rain showers. A slight chance of waterspouts. Waves building to 6 to 9 feet occasionally to 11 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .THURSDAY...Northwest wind 15 to 25 knots backing west 15 to 20 knots in the afternoon. Cloudy. Rain showers likely in the morning, then a chance of rain showers in the afternoon. A slight chance of waterspouts through the day. Waves subsiding to 2 to 4 feet. .THURSDAY NIGHT...West wind 10 to 20 knots. Cloudy. A chance of showers in the evening, then showers likely after midnight. A slight chance of waterspouts through the night. Waves subsiding to 1 to 2 feet. $$ LSZ244-032000- Eagle River to Manitou Island MI- 502 AM EDT Wed Sep 3 2025 ...GALE WARNING IN EFFECT THROUGH THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH THURSDAY EVENING... .EARLY THIS MORNING...Northwest wind 20 to 25 knots. Showers and a slight chance of thunderstorms. Waves 2 to 4 feet building to 4 to 7 feet occasionally to 9 feet. .TODAY...Northwest wind up to 30 knots. A chance of showers through early afternoon, then showers likely late. A slight chance of waterspouts late. Waves building to 7 to 10 feet occasionally to 13 feet. .TONIGHT...Northwest wind up to 30 knots. Rain showers. A slight chance of waterspouts. Waves subsiding to 5 to 8 feet occasionally to 10 feet. .THURSDAY...Northwest wind 20 to 25 knots backing west 15 to 25 knots in the afternoon. Cloudy. Rain showers likely in the morning, then a chance of rain showers in the afternoon. A slight chance of waterspouts through the day. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .THURSDAY NIGHT...Southwest wind 10 to 20 knots. Cloudy. A chance of showers in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. A slight chance of waterspouts through the night. Waves subsiding to 2 to 3 feet. $$ LSZ246-032000- Point Isabelle to Lower Entrance of Portage Canal MI- 502 AM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .EARLY THIS MORNING...West wind 10 to 15 knots with gusts up to 25 knots. Cloudy with a chance of showers. Waves 1 to 2 feet. .TODAY...Northwest wind 15 to 20 knots with gusts up to 30 knots. Cloudy with a chance of showers. A slight chance of waterspouts late. Waves building to 2 to 3 feet. .TONIGHT...Northwest wind 15 to 20 knots with gusts up to 29 knots. A chance of rain showers through late evening, then rain showers likely by midnight. A slight chance of waterspouts through the night. Waves subsiding to 1 to 2 feet. .THURSDAY...West wind 15 to 20 knots. Mostly cloudy. Rain showers likely in the morning, then a chance of rain showers in the afternoon. A slight chance of waterspouts through the day. Waves building to 2 to 3 feet. .THURSDAY NIGHT...West wind 10 to 15 knots. Cloudy. A chance of showers in the evening, then showers likely after midnight. A slight chance of waterspouts through the night. Waves subsiding to 1 to 2 feet. $$ LSZ247-032000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 502 AM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .EARLY THIS MORNING...West wind 15 to 20 knots. Cloudy with a chance of showers and a slight chance of thunderstorms. Waves 2 to 3 feet. .TODAY...Northwest wind 15 to 25 knots. Cloudy. Showers likely through mid morning, then a chance of showers by late morning. A slight chance of waterspouts late. Waves building to 3 to 5 feet occasionally to 7 feet. .TONIGHT...Northwest wind 20 to 25 knots becoming 15 to 25 knots late. A chance of rain showers through late evening, then rain showers likely by midnight. A slight chance of waterspouts through the night. Waves subsiding to 2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet. .THURSDAY...West wind 15 to 20 knots. Gusts up to 27 knots. Mostly cloudy. Rain showers in the morning, then a chance of rain showers in the afternoon. A slight chance of waterspouts through the day. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. .THURSDAY NIGHT...Southwest wind 10 to 15 knots. Cloudy. A chance of rain showers in the evening, then rain showers likely after midnight. A slight chance of waterspouts through the night. Waves subsiding to 1 to 2 feet. $$ LSZ248-032000- Huron Islands to Marquette MI- 502 AM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING... .EARLY THIS MORNING...West wind 10 to 20 knots. Cloudy with a chance of showers and a slight chance of thunderstorms. Waves 2 to 3 feet. .TODAY...Northwest wind 20 to 25 knots. Showers likely and a slight chance of thunderstorms through mid morning, then a chance of showers by late morning. Showers likely late. A slight chance of waterspouts late. Waves building to 6 to 9 feet occasionally to 11 feet. .TONIGHT...Northwest wind 20 to 25 knots backing west late. Cloudy. A chance of rain showers through midnight, then rain showers likely late. A slight chance of waterspouts through the night. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .THURSDAY...West wind 15 to 25 knots. Mostly cloudy. Rain showers likely in the morning, then a chance of rain showers in the afternoon. A slight chance of waterspouts through the day. Waves subsiding to 2 to 3 feet. .THURSDAY NIGHT...Southwest wind 10 to 15 knots. Cloudy. A chance of showers in the evening, then showers likely after midnight. A slight chance of waterspouts through the night. Waves subsiding to 1 to 2 feet. $$ LSZ249-032000- Marquette to Munising MI- 502 AM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT THIS MORNING THROUGH THURSDAY EVENING... .EARLY THIS MORNING...Southwest wind 10 to 15 knots. Cloudy with a chance of showers and thunderstorms. Waves 1 to 2 feet. .TODAY...West wind 15 to 25 knots veering northwest 20 to 25 knots by late morning. A slight chance of thunderstorms through mid morning. A chance of showers through early afternoon. Showers likely late. A slight chance of waterspouts by late morning. Waves building to 7 to 10 feet occasionally to 13 feet. .TONIGHT...Northwest wind 20 to 25 knots backing west late. Mostly cloudy with a chance of rain showers. A slight chance of waterspouts. Waves subsiding to 6 to 9 feet occasionally to 11 feet. .THURSDAY...West wind 15 to 25 knots. Mostly cloudy. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. A slight chance of waterspouts through the day. Waves subsiding to 2 to 4 feet. .THURSDAY NIGHT...Southwest wind 5 to 15 knots. Cloudy. A chance of showers in the evening, then showers likely after midnight. A slight chance of waterspouts through the night. Waves subsiding to 1 to 2 feet. $$ LSZ250-032000- Munising to Grand Marais MI- 502 AM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM EDT THIS MORNING THROUGH THURSDAY EVENING... .EARLY THIS MORNING...Southwest wind 10 to 15 knots with gusts up to 22 knots. Cloudy with a chance of showers and thunderstorms. Waves 1 to 2 feet. .TODAY...West wind 15 to 25 knots veering northwest 20 to 25 knots by late morning. Cloudy. Showers likely and a slight chance of thunderstorms through mid morning, then a slight chance of showers by late morning. A chance of showers late. Waves building to 7 to 10 feet occasionally to 13 feet. .TONIGHT...Northwest wind 20 to 25 knots backing west late. Rain showers. A slight chance of waterspouts. Waves subsiding to 6 to 9 feet occasionally to 11 feet. .THURSDAY...West wind 15 to 25 knots. Mostly cloudy. Rain showers likely in the morning, then a chance of rain showers in the afternoon. A slight chance of waterspouts through the day. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .THURSDAY NIGHT...Southwest wind 10 to 15 knots. Cloudy. A chance of showers in the evening, then showers likely after midnight. A slight chance of waterspouts through the night. Waves subsiding to 1 to 2 feet. $$ LSZ251-032000- Grand Marais to Whitefish Point MI- 502 AM EDT Wed Sep 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH THURSDAY EVENING... .EARLY THIS MORNING...South wind 10 to 15 knots with gusts up to 22 knots. Showers likely and a chance of thunderstorms. Waves 2 to 3 feet. .TODAY...Southwest wind 10 to 20 knots veering northwest 20 to 25 knots by late morning. Cloudy. Showers likely and a chance of thunderstorms through mid morning, then a slight chance of thunderstorms by late morning. A chance of showers by late morning. A slight chance of waterspouts by late morning. Waves subsiding to 1 to 2 feet, then building to 6 to 9 feet occasionally to 11 feet. .TONIGHT...Northwest wind 15 to 25 knots backing west 20 to 25 knots late. Cloudy. A chance of rain showers through late evening, then rain showers likely by midnight. A slight chance of waterspouts through the night. Waves subsiding to 5 to 8 feet occasionally to 10 feet, then building to 6 to 9 feet occasionally to 11 feet. .THURSDAY...West wind 15 to 25 knots. Mostly cloudy. Showers likely in the morning, then a chance of showers in the afternoon. A slight chance of waterspouts through the day. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .THURSDAY NIGHT...South wind 10 to 15 knots. Cloudy. A chance of showers in the evening, then showers after midnight. A slight chance of waterspouts through the night. Waves subsiding to 2 to 3 feet. $$ WFO MQT