Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
846 FZUS53 KMQT 240902 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 AM EDT Sun Aug 24 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. LMZ221-242000- Green Bay North of line from Cedar River MI to Rock Island Passage- 502 AM EDT Sun Aug 24 2025 .EARLY THIS MORNING...West wind 10 to 15 knots. Partly cloudy with a chance of showers. A slight chance of waterspouts. Waves 1 to 2 feet. .TODAY...Northwest wind 10 to 20 knots. Partly cloudy with a chance of showers. A chance of waterspouts. Waves building to 2 to 4 feet. .TONIGHT...Northwest wind 10 to 20 knots. Mostly cloudy through late evening then becoming partly cloudy. A slight chance of waterspouts through midnight. A slight chance of showers through late evening. A chance of showers by midnight, then a chance of sprinkles late. Waves subsiding to 2 to 3 feet. .MONDAY...Northwest wind 10 to 20 knots. Mostly sunny. Waves subsiding to 1 to 2 feet. .MONDAY NIGHT...Northwest wind 10 to 15 knots diminishing to less than 10 knots after midnight. Clear. Waves 1 to 2 feet. $$ LMZ248-250-242000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 502 AM EDT Sun Aug 24 2025 .EARLY THIS MORNING...West wind 10 to 15 knots. Partly cloudy with a chance of showers. A slight chance of waterspouts. Waves 1 to 2 feet. .TODAY...Northwest wind 10 to 20 knots. Partly cloudy. A chance of showers through early afternoon, then showers likely late. A chance of waterspouts through the day. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .TONIGHT...Northwest wind 10 to 20 knots. Mostly cloudy through late evening then becoming partly cloudy. A chance of waterspouts through late evening. A slight chance of waterspouts by midnight. A chance of showers through late evening, then a slight chance of showers by midnight. A chance of sprinkles late. Waves subsiding to 2 to 3 feet. .MONDAY...Northwest wind 10 to 20 knots. Mostly sunny. Waves subsiding to 1 to 2 feet. .MONDAY NIGHT...Northwest wind 5 to 15 knots. Mostly clear. Waves 1 to 2 feet. $$ LSZ240-242000- Saxon Harbor WI to Black River MI- 502 AM EDT Sun Aug 24 2025 /402 AM CDT Sun Aug 24 2025/ ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .EARLY THIS MORNING...Northwest wind 15 to 20 knots. Cloudy with a chance of showers. A chance of waterspouts. Waves 2 to 4 feet building to 3 to 5 feet occasionally to 7 feet. .TODAY...Northwest wind 15 to 25 knots. Cloudy with a chance of showers. A chance of waterspouts. Waves building to 3 to 6 feet occasionally to 8 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. .TONIGHT...Northwest wind 15 to 20 knots. Partly cloudy. A chance of sprinkles through the night. A slight chance of waterspouts by midnight. Waves subsiding to 2 to 4 feet. .MONDAY...Northwest wind 10 to 15 knots becoming 5 to 15 knots in the afternoon. Mostly sunny. Waves subsiding to 1 to 2 feet. .MONDAY NIGHT...Northwest wind less than 10 knots. Mostly clear. Waves calm to 1 foot. $$ LSZ241-242000- Black River to Ontonagon MI- 502 AM EDT Sun Aug 24 2025 /402 AM CDT Sun Aug 24 2025/ ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .EARLY THIS MORNING...Northwest wind 15 to 20 knots. Cloudy with a chance of showers. A chance of waterspouts. Waves 3 to 5 feet occasionally to 7 feet building to 3 to 6 feet occasionally to 8 feet. .TODAY...Northwest wind 15 to 25 knots. Cloudy with a chance of showers. A chance of waterspouts. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 20 knots. Partly cloudy. A slight chance of waterspouts through midnight. A chance of sprinkles through the night. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .MONDAY...Northwest wind 10 to 15 knots. Mostly sunny. Waves subsiding to 1 to 2 feet. .MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear. Waves 1 to 2 feet. $$ LSZ242-243-242000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 502 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .EARLY THIS MORNING...Northwest wind 15 to 20 knots. Cloudy with a chance of showers. A slight chance of waterspouts. Waves 3 to 5 feet occasionally to 7 feet building to 3 to 6 feet occasionally to 8 feet. .TODAY...Northwest wind 15 to 20 knots with gusts up to 28 knots. Cloudy with a chance of showers. A 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. .TONIGHT...Northwest wind 15 to 20 knots. Mostly cloudy through late evening then becoming partly cloudy. A slight chance of waterspouts through midnight. A chance of sprinkles through midnight. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .MONDAY...Northwest wind 15 to 20 knots diminishing to 10 to 15 knots in the afternoon. Mostly sunny. Waves subsiding to 1 to 2 feet. .MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear. Waves 1 to 2 feet. $$ LSZ245-242000- Manitou Island to Point Isabelle MI- 502 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .EARLY THIS MORNING...Northwest wind 15 to 20 knots. Cloudy. A chance of sprinkles. Waves 2 to 4 feet. .TODAY...Northwest wind 15 to 25 knots. Cloudy. A slight chance of showers through mid morning, then a chance of showers by late morning. A slight chance of waterspouts through mid morning, then a chance of waterspouts by late morning. A slight chance of waterspouts late. Waves building to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy through midnight then becoming partly cloudy. A slight chance of showers through late evening, then a chance of sprinkles by midnight. A slight chance of waterspouts through midnight. Waves subsiding to 3 to 5 feet occasionally to 7 feet, then building to 3 to 6 feet occasionally to 8 feet. .MONDAY...Northwest wind 10 to 15 knots with gusts up to 24 knots. Mostly sunny. Waves subsiding to 2 to 3 feet. .MONDAY NIGHT...Northwest wind less than 10 knots with gusts up to 18 knots. Mostly clear. Waves subsiding to 1 to 2 feet. $$ LSZ244-242000- Eagle River to Manitou Island MI- 502 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .EARLY THIS MORNING...Northwest wind 15 to 20 knots. Cloudy. A chance of sprinkles. Waves 3 to 5 feet occasionally to 7 feet. .TODAY...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. .TONIGHT...Northwest wind 20 to 25 knots. Mostly cloudy. A slight chance of waterspouts through late evening. A chance of sprinkles through midnight. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .MONDAY...Northwest wind 10 to 20 knots. Mostly sunny. Waves subsiding to 2 to 3 feet. .MONDAY NIGHT...Northwest wind 5 to 15 knots. Mostly clear. Waves subsiding to 1 to 2 feet. $$ LSZ246-242000- Point Isabelle to Lower Entrance of Portage Canal MI- 502 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .EARLY THIS MORNING...Northwest wind 10 to 15 knots with gusts up to 22 knots. Cloudy with a chance of showers. A slight chance of waterspouts. Waves 1 to 2 feet. .TODAY...Northwest wind 15 to 20 knots with gusts up to 27 knots. Cloudy. A slight chance of showers through mid morning, then a chance of showers by late morning. A slight chance of waterspouts through mid morning, then a chance of waterspouts by late morning. Waves 1 to 2 feet. .TONIGHT...Northwest wind 10 to 20 knots. A slight chance of waterspouts through midnight. Mostly cloudy with a slight chance of showers through late evening, then partly cloudy with a chance of sprinkles by midnight. Waves 1 to 2 feet. .MONDAY...Northwest wind 10 to 15 knots with gusts up to 25 knots. Mostly sunny. Waves calm to 1 foot. .MONDAY NIGHT...Northwest wind less than 10 knots with gusts up to 19 knots. Mostly clear. Waves calm to 1 foot. $$ LSZ247-242000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 502 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .EARLY THIS MORNING...Northwest wind 15 to 20 knots. Cloudy with a slight chance of showers. A slight chance of waterspouts. Waves 2 to 3 feet. .TODAY...Northwest wind 15 to 20 knots with gusts up to 28 knots. Cloudy. A chance of showers through early afternoon, then showers likely late. A chance of waterspouts through the day. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet. .TONIGHT...Northwest wind 10 to 20 knots. Mostly cloudy through midnight then becoming partly cloudy. A slight chance of waterspouts through midnight. A slight chance of showers through late evening. A chance of showers by midnight, then a chance of sprinkles late. Waves subsiding to 1 to 2 feet. .MONDAY...Northwest wind 10 to 15 knots with gusts up to 25 knots. Mostly sunny. Waves 1 to 2 feet. .MONDAY NIGHT...West wind less than 10 knots with gusts up to 19 knots. Clear. Waves calm to 1 foot. $$ LSZ248-242000- Huron Islands to Marquette MI- 502 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .EARLY THIS MORNING...Northwest wind 15 to 20 knots. Cloudy with a slight chance of showers. A slight chance of waterspouts. Waves 2 to 4 feet. .TODAY...Northwest wind 15 to 25 knots. Cloudy. A chance of showers through early afternoon, then showers likely late. A chance of waterspouts through the day. Waves building to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy with a chance of showers. A chance of waterspouts through late evening. A slight chance of waterspouts by midnight. Waves 3 to 6 feet occasionally to 8 feet. .MONDAY...Northwest wind 10 to 15 knots with gusts up to 24 knots. Mostly sunny. Waves subsiding to 2 to 3 feet. .MONDAY NIGHT...Northwest wind less than 10 knots with gusts up to 19 knots. Mostly clear. Waves subsiding to 1 to 2 feet. $$ LSZ249-242000- Marquette to Munising MI- 502 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE MONDAY NIGHT... .EARLY THIS MORNING...West wind 15 to 20 knots. Cloudy with a chance of showers. A slight chance of waterspouts. Waves 3 to 5 feet occasionally to 7 feet. .TODAY...Northwest wind 15 to 25 knots. Mostly cloudy with a chance of showers. A chance of waterspouts. Waves building to 5 to 8 feet occasionally to 10 feet. .TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. A chance of showers through midnight, then a slight chance of showers late. A chance of waterspouts through late evening. A slight chance of waterspouts by midnight. Waves subsiding to 4 to 7 feet occasionally to 9 feet. .MONDAY...Northwest wind 15 to 20 knots. Partly cloudy. A slight chance of showers in the morning. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear. Waves subsiding to 1 to 2 feet. $$ LSZ250-242000- Munising to Grand Marais MI- 502 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .EARLY THIS MORNING...Northwest wind 15 to 20 knots. Cloudy with a chance of showers. A chance of waterspouts. Waves 3 to 5 feet occasionally to 7 feet. .TODAY...Northwest wind 15 to 25 knots. Mostly cloudy. A chance of showers through early afternoon, then showers likely late. A chance of waterspouts through the day. Waves building to 5 to 8 feet occasionally to 10 feet. .TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy with a chance of showers. A chance of waterspouts through late evening. A slight chance of waterspouts by midnight. Waves building to 6 to 9 feet occasionally to 11 feet, then subsiding to 5 to 8 feet occasionally to 10 feet. .MONDAY...Northwest wind 15 to 20 knots. Mostly sunny. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .MONDAY NIGHT...Northwest wind 10 to 20 knots. Mostly clear. Waves subsiding to 2 to 3 feet. $$ LSZ251-242000- Grand Marais to Whitefish Point MI- 502 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .EARLY THIS MORNING...West wind 10 to 15 knots. Mostly cloudy with a chance of showers. A slight chance of waterspouts. Waves 3 to 5 feet occasionally to 7 feet. .TODAY...Northwest wind 10 to 20 knots. Mostly cloudy with a chance of showers. A chance of waterspouts. Waves building to 5 to 8 feet occasionally to 10 feet. .TONIGHT...Northwest wind 20 to 25 knots. Cloudy with a chance of showers. A chance of waterspouts through late evening. A slight chance of waterspouts by midnight. Waves building to 6 to 9 feet occasionally to 11 feet, then subsiding to 5 to 8 feet occasionally to 10 feet. .MONDAY...Northwest wind 15 to 25 knots. Partly cloudy. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .MONDAY NIGHT...Northwest wind 10 to 20 knots. Mostly clear. Waves subsiding to 2 to 3 feet. $$ WFO MQT