


Nearshore Marine Forecast
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
712 FZUS53 KMQT 120903 NSHMQT Nearshore Marine Forecast National Weather Service Marquette MI 503 AM EDT Thu Jun 12 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. LMZ221-122000- Green Bay North of line from Cedar River MI to Rock Island Passage- 503 AM EDT Thu Jun 12 2025 .EARLY THIS MORNING...North wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...Northeast wind less than 10 knots veering east by late morning. Mostly sunny. Waves calm to 1 foot. .TONIGHT...Northeast wind less than 10 knots. Cloudy. A slight chance of showers through midnight, then a chance of showers late. Waves calm to 1 foot. .FRIDAY...Northeast wind 10 to 15 knots. Cloudy. A chance of showers in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet. .FRIDAY NIGHT...East wind 10 to 15 knots. Cloudy with a chance of showers. Waves 1 to 2 feet. $$ LMZ248-250-122000- Seul Choix Point to Point Detour MI- 5NM East of a line from Fairport MI to Rock Island Passage- 503 AM EDT Thu Jun 12 2025 .EARLY THIS MORNING...North wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...North wind less than 10 knots veering northeast by late morning. Sunny through early afternoon then becoming partly cloudy. Waves calm to 1 foot. .TONIGHT...Northeast wind less than 10 knots. Cloudy. A slight chance of showers through midnight, then a chance of showers late. Waves calm to 1 foot. .FRIDAY...East wind 10 to 20 knots. Cloudy with a chance of showers. Waves building to 2 to 3 feet. .FRIDAY NIGHT...East wind 10 to 15 knots. Cloudy with a chance of showers. Waves subsiding to 1 to 2 feet. $$ LSZ240-241-122000- Saxon Harbor WI to Black River MI- Black River to Ontonagon MI- 503 AM EDT Thu Jun 12 2025 /403 AM CDT Thu Jun 12 2025/ .EARLY THIS MORNING...East wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...Northeast wind 10 to 20 knots. Mostly sunny through early afternoon then becoming mostly cloudy. Waves building to 2 to 4 feet. .TONIGHT...East wind 5 to 15 knots. Cloudy. A slight chance of showers through late evening, then a chance of showers by midnight. Showers likely late. Haze late. Waves subsiding to 1 to 2 feet. .FRIDAY...East wind 10 to 15 knots. Showers and a slight chance of thunderstorms in the morning, then showers likely in the afternoon. Waves building to 2 to 3 feet. .FRIDAY NIGHT...East wind 5 to 15 knots. Mostly cloudy with a chance of showers. Waves subsiding to 1 to 2 feet. $$ LSZ242-243-122000- Ontonagon to Upper Entrance of Portage Canal MI- Upper Entrance of Portage Canal to Eagle River MI- 503 AM EDT Thu Jun 12 2025 .EARLY THIS MORNING...Northeast wind less than 10 knots. Mostly clear. Waves 1 to 2 feet. .TODAY...Northeast wind 10 to 15 knots. Sunny through early afternoon then becoming partly cloudy. Waves 1 to 2 feet. .TONIGHT...East wind less than 10 knots. Mostly cloudy. A slight chance of rain showers by midnight. A chance of rain showers late. Waves 1 to 2 feet. .FRIDAY...East wind 5 to 15 knots. Cloudy. Rain showers likely in the morning, then a chance of rain showers in the afternoon. Waves building to 1 to 2 feet. .FRIDAY NIGHT...East wind 5 to 15 knots. Partly cloudy in the evening then becoming mostly cloudy. A chance of showers. Waves 1 to 2 feet. $$ LSZ244-245-122000- Eagle River to Manitou Island MI- Manitou Island to Point Isabelle MI- 503 AM EDT Thu Jun 12 2025 .EARLY THIS MORNING...North wind less than 10 knots. Mostly clear. Waves 1 to 2 feet. .TODAY...Northeast wind less than 10 knots veering east late. Sunny through early afternoon then becoming partly cloudy. Waves 1 to 2 feet. .TONIGHT...South wind less than 10 knots backing southeast by midnight. Partly cloudy. A chance of rain showers late. Waves calm to 1 foot. .FRIDAY...Southeast wind less than 10 knots backing east in the afternoon. Mostly cloudy with a chance of rain showers. Waves calm to 1 foot. .FRIDAY NIGHT...East wind less than 10 knots. Partly cloudy with a slight chance of rain showers in the evening, then mostly cloudy with a chance of rain showers after midnight. Waves calm to 1 foot. $$ LSZ246-122000- Point Isabelle to Lower Entrance of Portage Canal MI- 503 AM EDT Thu Jun 12 2025 .EARLY THIS MORNING...Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...Northeast wind less than 10 knots veering east by late morning. Mostly sunny. Waves calm to 1 foot. .TONIGHT...East wind less than 10 knots. Mostly cloudy through late evening, then partly cloudy with a slight chance of rain showers by midnight. Mostly cloudy with a chance of rain showers late. Waves calm to 1 foot. .FRIDAY...East wind 5 to 15 knots. Mostly cloudy. Rain showers likely in the morning, then a chance of rain showers in the afternoon. Waves building to 1 to 2 feet. .FRIDAY NIGHT...East wind less than 10 knots with gusts up to 18 knots. Mostly cloudy with a chance of rain showers. Waves calm to 1 foot. $$ LSZ247-122000- Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays- 503 AM EDT Thu Jun 12 2025 .EARLY THIS MORNING...Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...Northeast wind 5 to 15 knots veering east 10 to 15 knots late. Sunny through early afternoon then becoming partly cloudy. Waves calm to 1 foot. .TONIGHT...East wind less than 10 knots. Mostly cloudy. A slight chance of rain showers by midnight. A chance of rain showers late. Waves calm to 1 foot. .FRIDAY...East wind 5 to 15 knots. Rain showers likely in the morning, then a chance of rain showers in the afternoon. Waves building to 1 to 2 feet. .FRIDAY NIGHT...East wind less than 10 knots with gusts up to 18 knots. Mostly cloudy with a chance of showers. Waves calm to 1 foot. $$ LSZ248-122000- Huron Islands to Marquette MI- 503 AM EDT Thu Jun 12 2025 .EARLY THIS MORNING...Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...North wind less than 10 knots veering east late. Mostly sunny. Waves calm to 1 foot. .TONIGHT...Southeast wind less than 10 knots. Mostly cloudy. A slight chance of rain showers by midnight. A chance of rain showers late. Waves calm to 1 foot. .FRIDAY...East wind less than 10 knots. Rain showers likely in the morning, then a chance of rain showers in the afternoon. Waves calm to 1 foot. .FRIDAY NIGHT...East wind less than 10 knots. Mostly cloudy with a chance of showers. Waves calm to 1 foot. $$ LSZ249-122000- Marquette to Munising MI- 503 AM EDT Thu Jun 12 2025 .EARLY THIS MORNING...Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...North wind less than 10 knots. Mostly sunny. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Mostly cloudy. A slight chance of rain showers by midnight. A chance of rain showers late. Waves calm to 1 foot. .FRIDAY...Northeast wind less than 10 knots. Rain showers. Waves calm to 1 foot. .FRIDAY NIGHT...East wind less than 10 knots. Mostly cloudy with a chance of showers. Waves calm to 1 foot. $$ LSZ250-122000- Munising to Grand Marais MI- 503 AM EDT Thu Jun 12 2025 .EARLY THIS MORNING...North wind less than 10 knots. Mostly clear. Waves calm to 1 foot. .TODAY...North wind less than 10 knots. Mostly sunny. Waves calm to 1 foot. .TONIGHT...Variable wind less than 10 knots. Partly cloudy through late evening then becoming mostly cloudy. A slight chance of rain showers by midnight. A chance of rain showers late. Waves calm to 1 foot. .FRIDAY...East wind less than 10 knots. Rain showers. Waves calm to 1 foot. .FRIDAY NIGHT...East wind less than 10 knots. Mostly cloudy with a chance of showers. Waves calm to 1 foot. $$ LSZ251-122000- Grand Marais to Whitefish Point MI- 503 AM EDT Thu Jun 12 2025 .EARLY THIS MORNING...Northwest wind less than 10 knots. Mostly clear. Waves 1 to 2 feet. .TODAY...North wind less than 10 knots backing northwest 5 to 15 knots by late morning. Mostly sunny. Waves 1 to 2 feet. .TONIGHT...Northwest wind less than 10 knots veering east late. Partly cloudy. A chance of rain showers late. Waves 1 to 2 feet. .FRIDAY...East wind less than 10 knots. A chance of rain showers in the morning, then rain showers likely in the afternoon. Waves calm to 1 foot. .FRIDAY NIGHT...East wind less than 10 knots. Mostly cloudy with a chance of showers. Waves calm to 1 foot. $$ WFO MQT