News Headlines
Last Update: 356 PM EDT Mon Aug 3 2026
For More Weather Information:
30NM SE Grand Portage MN
Marine Zone Forecast
Late This Afternoon
East winds 5 to 15 knots. Waves calm to 2 feet.
Tonight
Southeast winds 10 to 20 knots becoming south 15 to 25 knots after midnight, then veering southwest late. A chance of showers and a slight chance of thunderstorms after midnight. Waves building to 2 to 4 feet.
Tuesday
West winds 15 to 25 knots backing southwest late. A chance of showers through early afternoon. Waves 2 to 4 feet.
Tuesday Night
West winds 10 to 20 knots diminishing to 5 to 15 knots after midnight. Waves subsiding to calm to 2 feet.
Wednesday
Southwest winds 10 to 20 knots. Waves building to 1 to 3 feet.
Wednesday Night
South winds 10 to 20 knots becoming southwest 5 to 15 knots after midnight. Waves subsiding to calm to 2 feet.
Thursday
Southwest winds 15 to 25 knots. Waves building to 2 to 4 feet, then subsiding to 1 to 3 feet.
Thursday Night
Southwest winds 5 to 15 knots. Waves subsiding to calm to 2 feet.
Friday
Southwest winds 15 to 25 knots diminishing to 10 to 20 knots. Waves building to 1 to 3 feet, then subsiding to calm to 2 feet.
Saturday
West winds 10 to 20 knots diminishing to 5 to 15 knots. A chance of showers and thunderstorms. Waves calm to 2 feet.
Additional Forecasts and Information
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