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Last Update: 502 PM EDT Tue Aug 18 2026
For More Weather Information:
20NM NE Ontonagon MI
Marine Zone Forecast
Late This Afternoon
Southwest wind 10 to 15 knots with gusts up to 24 knots. Sunny. Waves 1 to 2 feet.
Tonight
West wind 10 to 15 knots veering northwest 5 to 15 knots by midnight. Gusts up to 23 knots. Clear. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet.
Wednesday
Northwest wind less than 10 knots backing southwest late. Sunny. Waves 1 to 2 feet.
Wednesday Night
South wind less than 10 knots. Mostly clear. Waves calm to 1 foot.
Thursday
Southwest wind less than 10 knots backing northeast in the afternoon. Partly cloudy. A slight chance of showers in the afternoon. Waves calm to 1 foot.
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