Last Update: 500 AM CDT Fri Apr 17 2026

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Duluth, MN Local Forecast Office

11NM ENE Superior WI

Marine Zone Forecast

Today
Northeast wind 5 to 10 knots with gusts to around 20 knots becoming northwest 10 to 15 knots with gusts to around 30 knots late in the afternoon. Slight chance of rain late in the morning. Rain and chance of thunderstorms in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet.
Tonight
West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late evening and overnight. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight.
Saturday
West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Partly sunny. Waves 3 to 5 feet.
Saturday Night
West wind 20 to 25 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight.

note...wave height forecasts are for ice free areas.



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500 AM CDT Fri Apr 17 2026
 
 

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