Last Update: 311 PM CST Mon Feb 23 2026

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Duluth, MN Local Forecast Office

11NM ENE Superior WI

Marine Zone Forecast

Tonight
Southeast wind 5 to 10 knots becoming south 15 to 20 knots with gusts to around 25 knots after midnight. Chance of flurries late in the evening. Slight chance of snow after midnight, then chance of snow late in the night. Waves 1 to 3 feet.
Tuesday
Southwest wind 20 to 25 knots with gusts to around 30 knots becoming west with gusts to around 30 knots in the afternoon. Snow likely in the morning, then slight chance of snow in the afternoon. Waves 3 to 5 feet. Waves occasionally to 7 feet.
Tuesday Night
Northwest wind 20 to 25 knots. Gusts up to 30 knots increasing to 35 knots in the late evening and early morning, then decreasing to 30 knots early in the morning. Mostly cloudy. Waves 3 to 5 feet. Waves occasionally to 7 feet. A gale warning may be needed.
Wednesday
Northwest wind 15 to 20 knots with gusts to around 25 knots becoming west 5 to 10 knots in the afternoon. Mostly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late morning and afternoon.

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



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311 PM CST Mon Feb 23 2026
 
 

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