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

Last Update: 503 AM EDT Mon Sep 28 2026

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Marquette, MI Local Forecast Office

20NM NE Ontonagon MI

Marine Zone Forecast

Early This Morning
Variable wind less than 10 knots. Partly cloudy. Waves calm to 1 foot.
Today
Variable wind less than 10 knots becoming northeast less than 10 knots late. Mostly sunny. Waves calm to 1 foot.
Tonight
East wind less than 10 knots veering south 10 to 15 knots late. Partly cloudy through midnight then becoming mostly cloudy. Waves calm to 1 foot.
Tuesday
South wind 10 to 15 knots. Mostly cloudy. A slight chance of showers in the afternoon. Waves building to 1 to 2 feet.
Tuesday Night
South wind 10 to 15 knots. Showers likely. Waves calm to 1 foot.



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Last Update:
503 AM EDT Mon Sep 28 2026
 
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