Last Update: 401 PM EDT Sat Jul 4 2026
For More Weather Information:
30NM SE Grand Portage MN
Marine Zone Forecast
Late This Afternoon
Northeast winds 15 to 25 knots. A slight chance of showers. Waves 1 to 3 feet.
Tonight
Northeast winds 5 to 15 knots veering east after midnight. Waves subsiding to calm to 2 feet.
Sunday
Northeast winds 5 to 15 knots. Waves calm to 2 feet.
Sunday Night
Northeast winds 5 to 15 knots veering east after midnight, then diminishing to less than 10 knots late. Waves calm to 2 feet.
Monday
East winds less than 10 knots. Waves calm to 2 feet.
Monday Night
Southeast winds 5 to 15 knots veering southwest after midnight. Waves calm to 2 feet.
Tuesday
Southwest winds 5 to 15 knots. Waves calm to 2 feet.
Tuesday Night
Southwest winds 5 to 15 knots becoming west less than 10 knots after midnight. A chance of showers. Waves calm to 2 feet.
Wednesday
Northeast winds 5 to 15 knots. Showers likely. A chance of showers. Waves calm to 2 feet.
Thursday
Northeast winds 5 to 15 knots. Waves calm to 2 feet.
Additional Forecasts and Information
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