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Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Zone Forecast

Today

West wind 10 to 15 knots with gusts to around 20 knots. Mostly sunny. Waves 1 to 2 feet.

Tonight

West wind 5 to 10 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 foot or less.

Friday

Northwest wind 5 knots becoming southeast in the late morning and early afternoon, then becoming east late in the afternoon. Partly sunny. Waves 1 foot or less.

Friday Night

East wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and overnight. Mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. A small craft advisory may be needed.