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Last Update: 401 PM EDT Sat May 31 2025
For More Weather Information:
30NM SE Grand Portage MN
Marine Zone Forecast
Late This Afternoon
West winds 5 to 15 knots. Haze. Waves calm to 2 feet.
Tonight
West winds 5 to 15 knots veering northwest after midnight, then becoming west less than 10 knots late. Haze and areas of smoke. Waves calm to 2 feet.
Sunday
South winds less than 10 knots increasing to 5 to 15 knots in the afternoon, then backing southeast late. Haze. Waves calm to 2 feet.
Sunday Night
Southeast winds 5 to 15 knots veering southwest late. Haze after midnight. Waves calm to 2 feet.
Monday
Southwest winds 5 to 15 knots. Waves calm to 2 feet.
Monday Night
South winds 10 to 20 knots veering southwest after midnight. A chance of showers through midnight. Showers likely after midnight. Waves building to 2 to 4 feet.
Tuesday
Southwest winds 5 to 15 knots veering north by mid afternoon. Showers. Waves subsiding to calm to 2 feet.
Tuesday Night
West winds 5 to 15 knots. A chance of showers. Waves building to 1 to 3 feet, then subsiding to calm to 2 feet.
Wednesday
Southwest winds 5 to 15 knots. Waves calm to 2 feet.
Thursday
North winds 5 to 15 knots backing southwest. Waves calm to 2 feet.
Additional Forecasts and Information
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