


Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
069 FZUS53 KMQT 241501 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 1101 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- 1101 AM EDT Sun Aug 24 2025 ...Small craft should exercise caution from this afternoon through late tonight... .REST OF TODAY...Northwest wind 10 to 20 knots. Mostly cloudy with scattered showers. A chance of waterspouts. Waves 1 to 2 feet building to 2 to 4 feet. .TONIGHT...Northwest wind 10 to 20 knots. A slight chance of waterspouts through midnight. Mostly cloudy with isolated showers through late evening, then mostly cloudy with scattered sprinkles by midnight. Partly cloudy late. Waves subsiding to 2 to 3 feet. .MONDAY...Northwest wind 10 to 20 knots. Partly cloudy. 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. $$ LMZ250-242000- 5NM East of a line from Fairport MI to Rock Island Passage- 1101 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM EDT THIS EVENING... .REST OF TODAY...Northwest wind 15 to 20 knots. Partly cloudy with scattered showers. A chance of waterspouts. Waves 1 to 2 feet building to 2 to 3 feet, then subsiding to 1 to 2 feet. .TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy with scattered showers through midnight, then partly cloudy with scattered sprinkles late. A chance of waterspouts through late evening. A slight chance of waterspouts by midnight. Waves subsiding to 2 to 3 feet. .MONDAY...Northwest wind 10 to 20 knots. Partly cloudy. Waves subsiding to 1 to 2 feet. .MONDAY NIGHT...Northwest wind 5 to 15 knots. Clear. Waves 1 to 2 feet. $$ LMZ248-242000- Seul Choix Point to Point Detour MI- 1101 AM EDT Sun Aug 24 2025 .REST OF TODAY...Northwest wind 10 to 20 knots. Mostly cloudy with scattered showers. A chance of waterspouts. Waves 1 to 2 feet. .TONIGHT...Northwest wind 10 to 20 knots. Mostly cloudy with scattered showers through midnight, then partly cloudy with scattered sprinkles late. A chance of waterspouts through late evening. A slight chance of waterspouts by midnight. Waves 1 to 2 feet. .MONDAY...Northwest wind 10 to 15 knots with gusts up to 22 knots. Partly cloudy. Waves 1 to 2 feet. .MONDAY NIGHT...Northwest wind 5 to 15 knots. Mostly clear. Waves 1 to 2 feet. $$ LSZ240-242000- Saxon Harbor WI to Black River MI- 1101 AM EDT Sun Aug 24 2025 /1001 AM CDT Sun Aug 24 2025/ ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS EVENING... .REST OF TODAY...Northwest wind 15 to 25 knots. Cloudy. Scattered showers by late morning, then isolated showers late. A chance of waterspouts through the day. Waves 3 to 6 feet occasionally to 8 feet subsiding to 3 to 5 feet occasionally to 7 feet. .TONIGHT...Northwest wind 15 to 20 knots. Mostly cloudy through late evening then becoming partly cloudy. Scattered sprinkles through late evening. A slight chance of waterspouts by midnight. Waves subsiding to 2 to 4 feet. .MONDAY...Northwest wind 10 to 15 knots becoming 5 to 15 knots in the afternoon. Sunny. Waves subsiding to 1 to 2 feet. .MONDAY NIGHT...Northwest wind less than 10 knots. Mostly clear. Waves calm to 1 foot. $$ LSZ241-242000- Black River to Ontonagon MI- 1101 AM EDT Sun Aug 24 2025 /1001 AM CDT Sun Aug 24 2025/ ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TODAY...Northwest wind 15 to 25 knots. Cloudy with scattered showers. A chance of waterspouts. Waves 4 to 7 feet occasionally to 9 feet 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. Scattered showers through late evening, then scattered sprinkles by midnight. A slight chance of waterspouts through midnight. 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. $$ LSZ242-243-242000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 1101 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TODAY...Northwest wind 15 to 20 knots with gusts up to 28 knots. Cloudy with scattered showers. A chance of waterspouts. Waves 3 to 6 feet occasionally to 8 feet building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 20 knots. Mostly cloudy. Scattered showers through late evening, then scattered sprinkles by midnight. A slight chance of waterspouts through midnight. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .MONDAY...Northwest wind 15 to 20 knots diminishing to 10 to 15 knots in the afternoon. Mostly sunny. Waves subsiding to 1 to 2 feet. .MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear. Waves 1 to 2 feet. $$ LSZ245-242000- Manitou Island to Point Isabelle MI- 1101 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .REST OF TODAY...Northwest wind 15 to 25 knots. Cloudy with scattered showers. A chance of waterspouts by late morning. A slight chance of waterspouts late. Waves 3 to 5 feet occasionally to 7 feet building to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. A slight chance of waterspouts through midnight. Scattered sprinkles 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. Partly cloudy in the morning then clearing. 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. $$ LSZ244-242000- Eagle River to Manitou Island MI- 1101 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TODAY...Northwest wind 20 to 25 knots. Cloudy with scattered showers. A slight chance of waterspouts. Waves 3 to 6 feet occasionally to 8 feet building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 20 to 25 knots. Mostly cloudy. A slight chance of waterspouts through late evening. Scattered sprinkles through midnight. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .MONDAY...Northwest wind 10 to 20 knots. Partly cloudy in the morning then clearing. Waves subsiding to 2 to 3 feet. .MONDAY NIGHT...Northwest wind 5 to 15 knots. Mostly clear. Waves subsiding to 1 to 2 feet. $$ LSZ246-242000- Point Isabelle to Lower Entrance of Portage Canal MI- 1101 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .REST OF TODAY...Northwest wind 15 to 20 knots with gusts up to 27 knots. Cloudy with scattered showers. A chance of waterspouts. Waves 1 to 2 feet. .TONIGHT...Northwest wind 10 to 20 knots. Mostly cloudy through midnight then becoming partly cloudy. A slight chance of waterspouts through midnight. Scattered sprinkles through midnight. Waves 1 to 2 feet. .MONDAY...Northwest wind 10 to 15 knots with gusts up to 25 knots. Partly cloudy in the morning then clearing. 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. $$ LSZ247-242000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 1101 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... .REST OF TODAY...Northwest wind 15 to 20 knots with gusts up to 28 knots. Cloudy with scattered showers. A chance of waterspouts. Waves 2 to 3 feet building to 2 to 4 feet. .TONIGHT...Northwest wind 10 to 20 knots. Mostly cloudy through midnight then becoming partly cloudy. Scattered showers through late evening, then scattered sprinkles by midnight. A slight chance of waterspouts through midnight. Waves subsiding to 1 to 2 feet. .MONDAY...Northwest wind 10 to 15 knots with gusts up to 25 knots. Mostly sunny. Waves 1 to 2 feet. .MONDAY NIGHT...West wind less than 10 knots with gusts up to 19 knots. Clear. Waves calm to 1 foot. $$ LSZ248-242000- Huron Islands to Marquette MI- 1101 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .REST OF TODAY...Northwest wind 15 to 25 knots. Cloudy. Scattered showers by late morning, then numerous showers late. A chance of waterspouts through the day. Waves 3 to 5 feet occasionally to 7 feet building to 3 to 6 feet occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. Scattered showers through midnight, then scattered sprinkles late. 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. Scattered sprinkles in the morning. 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. $$ LSZ249-242000- Marquette to Munising MI- 1101 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .REST OF TODAY...Northwest wind 15 to 25 knots. Mostly cloudy. Scattered showers by late morning, then numerous showers late. A chance of waterspouts through the day. Waves 3 to 6 feet occasionally to 8 feet building to 5 to 8 feet occasionally to 10 feet. .TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy with scattered showers. A chance of waterspouts through late evening. A slight chance of waterspouts by midnight. Waves subsiding to 4 to 7 feet occasionally to 9 feet. .MONDAY...Northwest wind 15 to 20 knots. Partly cloudy. Scattered sprinkles in the morning. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear. Waves subsiding to 1 to 2 feet. $$ LSZ250-242000- Munising to Grand Marais MI- 1101 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .REST OF TODAY...Northwest wind 15 to 25 knots. Mostly cloudy. Scattered showers by late morning, then numerous showers late. A chance of waterspouts through the day. Waves 3 to 6 feet occasionally to 8 feet building to 5 to 8 feet occasionally to 10 feet. .TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy with scattered 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. 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. $$ LSZ251-242000- Grand Marais to Whitefish Point MI- 1101 AM EDT Sun Aug 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT... .REST OF TODAY...Northwest wind 15 to 20 knots. Mostly cloudy with scattered showers. A chance of waterspouts. Waves 3 to 6 feet occasionally to 8 feet building to 5 to 8 feet occasionally to 10 feet. .TONIGHT...Northwest wind 20 to 25 knots. Cloudy with scattered showers. A chance of waterspouts through late evening. A slight chance of waterspouts by midnight. Waves building to 6 to 9 feet occasionally to 11 feet, then subsiding to 5 to 8 feet occasionally to 10 feet. .MONDAY...Northwest wind 15 to 25 knots. Partly cloudy. Scattered sprinkles in the morning. Waves subsiding to 4 to 7 feet occasionally to 9 feet. .MONDAY NIGHT...Northwest wind 10 to 20 knots. Mostly clear. Waves subsiding to 2 to 3 feet. $$ WFO MQT