


Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
715 FZUS53 KMQT 280902 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 502 AM EDT Thu Aug 28 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. LMZ221-282000- Green Bay North of line from Cedar River MI to Rock Island Passage- 502 AM EDT Thu Aug 28 2025 ...Small craft should exercise caution from this morning through this evening... .EARLY THIS MORNING...North wind 10 to 15 knots. Mostly cloudy. Waves 1 to 2 feet. .TODAY...North wind 15 to 20 knots. Partly cloudy through mid morning then clearing. Waves building to 2 to 3 feet. .TONIGHT...Northeast wind 5 to 15 knots. Mostly clear. Waves subsiding to 1 to 2 feet. .FRIDAY...Northeast wind less than 10 knots in the morning becoming variable. Partly cloudy in the morning then clearing. Waves calm to 1 foot. .FRIDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LMZ248-250-282000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 502 AM EDT Thu Aug 28 2025 .EARLY THIS MORNING...North wind 10 to 15 knots. Cloudy. Waves 1 to 2 feet. .TODAY...North wind 15 to 20 knots. Mostly sunny. Waves building to 2 to 3 feet. .TONIGHT...North wind 5 to 15 knots. Mostly clear. Waves subsiding to 1 to 2 feet. .FRIDAY...Northeast wind less than 10 knots in the morning becoming variable. Mostly sunny. Waves calm to 1 foot. .FRIDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ240-241-282000- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 502 AM EDT Thu Aug 28 2025 /402 AM CDT Thu Aug 28 2025/ ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT /10 AM CDT/ THIS MORNING... .EARLY THIS MORNING...Northeast wind 10 to 15 knots. Mostly cloudy. Patchy fog. Waves 2 to 4 feet building to 3 to 5 feet occasionally to 7 feet. .TODAY...Northeast wind 10 to 15 knots. Mostly sunny. Waves subsiding to 2 to 3 feet. .TONIGHT...East wind 10 to 15 knots veering south less than 10 knots late. Clear. Waves subsiding to 1 to 2 feet. .FRIDAY...South wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. .FRIDAY NIGHT...Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot. $$ LSZ242-243-282000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 502 AM EDT Thu Aug 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .EARLY THIS MORNING...Northeast wind 15 to 20 knots. Partly cloudy. Waves 3 to 5 feet occasionally to 7 feet. .TODAY...Northeast wind 10 to 15 knots. Sunny. Waves subsiding to 2 to 3 feet. .TONIGHT...East wind 10 to 15 knots veering south less than 10 knots late. Mostly clear. Waves subsiding to 1 to 2 feet. .FRIDAY...South wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. .FRIDAY NIGHT...Southeast wind less than 10 knots veering southwest after midnight. Clear. Waves calm to 1 foot. $$ LSZ245-282000- Manitou Island to Point Isabelle MI- 502 AM EDT Thu Aug 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .EARLY THIS MORNING...Northeast wind 15 to 20 knots. Mostly clear. Waves 3 to 6 feet occasionally to 8 feet. .TODAY...Northeast wind 10 to 20 knots. Sunny through mid morning then becoming mostly sunny. Waves subsiding to 1 to 2 feet. .TONIGHT...Northeast wind less than 10 knots veering south late. Clear through late evening then becoming partly cloudy. Waves 1 to 2 feet. .FRIDAY...Southwest wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. .FRIDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ244-282000- Eagle River to Manitou Island MI- 502 AM EDT Thu Aug 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .EARLY THIS MORNING...Northeast wind 15 to 20 knots. Mostly clear. Waves 3 to 6 feet occasionally to 8 feet. .TODAY...Northeast wind 10 to 20 knots diminishing to less than 10 knots late. Mostly sunny. Waves subsiding to 1 to 2 feet. .TONIGHT...East wind less than 10 knots veering south late. Clear through late evening then becoming partly cloudy. Waves 1 to 2 feet. .FRIDAY...South wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. .FRIDAY NIGHT...South wind less than 10 knots veering southwest after midnight. Clear. Waves calm to 1 foot. $$ LSZ246-282000- Point Isabelle to Lower Entrance of Portage Canal MI- 502 AM EDT Thu Aug 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .EARLY THIS MORNING...Northeast wind 10 to 15 knots. Partly cloudy. Waves 2 to 3 feet. .TODAY...Northeast wind 5 to 15 knots becoming 10 to 15 knots late. Sunny. Waves subsiding to 1 to 2 feet. .TONIGHT...East wind less than 10 knots veering southwest late. Partly cloudy. Waves 1 to 2 feet. .FRIDAY...Southwest wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. .FRIDAY NIGHT...Variable wind less than 10 knots. Gusts up to 12 knots. Clear. Waves calm to 1 foot. $$ LSZ247-282000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 502 AM EDT Thu Aug 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .EARLY THIS MORNING...Northeast wind 15 to 20 knots. Mostly cloudy. Waves 3 to 5 feet occasionally to 7 feet. .TODAY...Northeast wind 10 to 15 knots. Sunny. Waves subsiding to 1 to 2 feet. .TONIGHT...East wind less than 10 knots veering southwest late. Mostly clear. Waves 1 to 2 feet. .FRIDAY...South wind less than 10 knots backing east in the afternoon. Sunny. Waves calm to 1 foot. .FRIDAY NIGHT...Variable wind less than 10 knots. Gusts up to 12 knots. Clear. Waves calm to 1 foot. $$ LSZ248-282000- Huron Islands to Marquette MI- 502 AM EDT Thu Aug 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... .EARLY THIS MORNING...Northeast wind 15 to 20 knots. Mostly cloudy. Waves 3 to 5 feet occasionally to 7 feet building to 3 to 6 feet occasionally to 8 feet. .TODAY...Northeast wind 10 to 15 knots. Mostly sunny. Waves subsiding to 2 to 3 feet. .TONIGHT...Northeast wind less than 10 knots veering southwest late. Mostly clear through midnight then becoming mostly cloudy. Waves subsiding to 1 to 2 feet. .FRIDAY...South wind less than 10 knots in the morning becoming variable. Sunny. Waves calm to 1 foot. .FRIDAY NIGHT...Variable wind less than 10 knots. Gusts up to 12 knots. Clear. Waves calm to 1 foot. $$ LSZ249-282000- Marquette to Munising MI- 502 AM EDT Thu Aug 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... .EARLY THIS MORNING...Northeast wind 15 to 20 knots. Cloudy. Waves 2 to 4 feet building to 3 to 5 feet occasionally to 7 feet. .TODAY...North wind 10 to 20 knots. Partly cloudy. Waves subsiding to 2 to 3 feet. .TONIGHT...Northeast wind 10 to 15 knots diminishing to less than 10 knots by midnight, then becoming variable late. Mostly clear through midnight then becoming mostly cloudy. Waves subsiding to 1 to 2 feet. .FRIDAY...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. .FRIDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ250-282000- Munising to Grand Marais MI- 502 AM EDT Thu Aug 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON... .EARLY THIS MORNING...Northeast wind 15 to 20 knots. Cloudy. Waves 3 to 5 feet occasionally to 7 feet building to 3 to 6 feet occasionally to 8 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. .TODAY...North wind 10 to 20 knots. Partly cloudy. Waves subsiding to 2 to 3 feet. .TONIGHT...North wind 10 to 15 knots veering east less than 10 knots late. Mostly clear. Waves subsiding to 1 to 2 feet. .FRIDAY...Variable wind less than 10 knots. Sunny. Waves calm to 1 foot. .FRIDAY NIGHT...Variable wind less than 10 knots. Clear. Waves calm to 1 foot. $$ LSZ251-282000- Grand Marais to Whitefish Point MI- 502 AM EDT Thu Aug 28 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON... .EARLY THIS MORNING...Northeast wind 15 to 20 knots. Mostly cloudy. Waves 3 to 6 feet occasionally to 8 feet. .TODAY...North wind 10 to 20 knots. Partly cloudy. Waves subsiding to 2 to 3 feet. .TONIGHT...North wind 10 to 15 knots veering northeast 5 to 15 knots by midnight. Mostly clear. Waves subsiding to 1 to 2 feet. .FRIDAY...North wind less than 10 knots backing northwest in the afternoon. Sunny. Waves calm to 1 foot. .FRIDAY NIGHT...Northwest wind less than 10 knots backing southwest after midnight. Clear. Waves calm to 1 foot. $$ WFO MQT