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Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Zone Forecast

Tonight

Northwest wind 20 to 25 knots. Gusts up to 35 knots increasing to 40 knots late in the evening, then decreasing to 35 knots after midnight decreasing to 30 knots late in the night. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the night.

Sunday

Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the afternoon. Sunny. Waves 1 to 2 feet.

Sunday Night

Northwest wind 10 to 15 knots. Gusts up to 25 knots decreasing to 20 knots in the late evening and overnight. Mostly clear. Waves 1 to 2 feet.

Monday

Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 foot or less.