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Duluth, MN Local Forecast Office

11NM ENE Superior WI

Marine Zone Forecast

Today

East wind 20 to 25 knots. Slight chance of snow early in the morning. Waves 4 to 6 feet. Waves occasionally to 7 feet.

Tonight

East wind 20 to 25 knots. Gusts up to 30 knots late in the evening decreasing to 25 knots, then increasing to 30 knots early in the morning. Slight chance of snow in the evening, then chance of snow after midnight. Waves 4 to 7 feet. Waves occasionally to 9 feet.

Thursday

Northeast wind up to 30 knots with gales to around 40 knots rising to gales to 35 knots with gales to around 40 knots late in the afternoon. Snow through the day. Slight chance of freezing rain and light sleet in the afternoon. Waves 6 to 9 feet building to 8 to 13 feet in the afternoon. Waves occasionally to 17 feet.

Thursday Night

Northeast gales to 35 knots with gales to around 40 knots easing to up to 30 knots with gales to around 40 knots in the late evening and early morning, then becoming north 10 to 15 knots with gusts to around 20 knots early in the morning. Slight chance of light freezing rain in the evening. Snow and light sleet through the night. Waves 9 to 14 feet subsiding to 5 to 8 feet. Waves occasionally to 18 feet.

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