Last Update: 1102 AM EDT Sun May 17 2026

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Marquette, MI Local Forecast Office

20NM NE Ontonagon MI

Marine Zone Forecast

Rest Of Today
East wind 15 to 20 knots. Mostly cloudy. A slight chance of rain showers late. Waves 1 to 2 feet building to 3 to 5 feet occasionally to 7 feet.
Tonight
East wind 15 to 20 knots veering southeast 10 to 15 knots late. Gusts up to 27 knots. Rain showers and a chance of thunderstorms. Waves subsiding to 2 to 3 feet.
Monday
North wind 5 to 15 knots. Rain showers likely and a chance of thunderstorms. Waves subsiding to 1 to 2 feet, then building to 2 to 4 feet.
Monday Night
Northeast wind 15 to 20 knots. A chance of showers and thunderstorms in the evening, then rain showers and a slight chance of thunderstorms after midnight. Waves building to 5 to 8 feet occasionally to 10 feet.



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1102 AM EDT Sun May 17 2026
 
 

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