Last Update: 502 PM EDT Tue May 12 2026

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Marquette, MI Local Forecast Office

24NM W Ontonagon MI

Marine Zone Forecast

Late This Afternoon
North wind 10 to 20 knots. Cloudy with scattered rain showers. Waves 1 to 2 feet building to 2 to 3 feet.
Tonight
North wind 10 to 20 knots backing northwest less than 10 knots late. Mostly cloudy. A chance of rain showers possibly mixed with snow showers through late evening, then a slight chance of rain showers and snow showers by midnight. Waves building to 3 to 6 feet occasionally to 8 feet, then subsiding to 2 to 3 feet.
Wednesday
West wind less than 10 knots. Mostly sunny. Waves subsiding to 1 to 2 feet.
Wednesday Night
Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot.
Thursday
East wind less than 10 knots. Mostly sunny. Waves building to 1 to 2 feet.



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502 PM EDT Tue May 12 2026
 
 

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