Last Update: 637 AM CDT Sat May 16 2026

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Duluth, MN Local Forecast Office

11NM ENE Superior WI

Marine Zone Forecast

Today
West wind 10 to 15 knots with gusts to around 25 knots becoming northwest with gusts to around 20 knots late in the afternoon. Sunny. Waves 1 to 3 feet.
Tonight
Northwest wind 5 to 10 knots becoming northeast 10 to 15 knots with gusts to around 20 knots after midnight. Clear in the evening then becoming partly cloudy. Waves 1 to 2 feet building to 1 to 3 feet early in the morning.
Sunday
Northeast wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the afternoon. Slight chance of rain showers in the morning, then rain showers likely in the afternoon. Waves 7 to 10 feet. Waves occasionally to 13 feet. A gale warning may be needed.
Sunday Night
Northeast wind up to 30 knots with gales to around 35 knots easing to 10 to 15 knots with gusts to around 20 knots early in the morning. Rain showers and chance of thunderstorms. Waves 8 to 11 feet subsiding to 4 to 7 feet early in the morning. Waves occasionally to 14 feet. A gale warning may be needed.



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637 AM CDT Sat May 16 2026
 
 

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