Last Update: 502 AM EDT Thu Sep 24 2026

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Marquette, MI Local Forecast Office

20NM NE Ontonagon MI

Marine Zone Forecast

Early This Morning
South wind less than 10 knots. Clear. Waves calm to 1 foot.
Today
South wind less than 10 knots backing east late. Partly cloudy through early afternoon then becoming cloudy. Waves calm to 1 foot.
Tonight
Southeast wind less than 10 knots veering south by midnight. Mostly cloudy. Waves calm to 1 foot.
Friday
Southwest wind less than 10 knots veering north in the afternoon. Mostly sunny. Waves calm to 1 foot.
Friday Night
East wind less than 10 knots veering southeast after midnight. Mostly clear. Waves calm to 1 foot.



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502 AM EDT Thu Sep 24 2026
 
 

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