National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Last Update: 1101 PM EDT Sun Sep 20 2026

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Marquette, MI Local Forecast Office

20NM NE Ontonagon MI

Marine Zone Forecast

Rest Of Tonight
East wind 10 to 15 knots. Partly cloudy by midnight then becoming mostly cloudy. Waves 1 to 2 feet.
Monday
East wind less than 10 knots backing northeast 10 to 15 knots late. Cloudy through early afternoon then becoming partly cloudy. Waves 1 to 2 feet.
Monday Night
East wind 5 to 15 knots veering southeast less than 10 knots after midnight. Mostly clear. Waves 1 to 2 feet.
Tuesday
East wind 5 to 15 knots. Sunny. Waves building to 1 to 2 feet.



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Last Update:
1101 PM EDT Sun Sep 20 2026
 
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