Hazardous Weather Conditions
Last Update: 242 AM CDT Tue Aug 18 2026
For More Weather Information:
10NM SW Grand Portage MN
Marine Zone Forecast
Today
Northwest wind 5 to 10 knots with gusts to around 20 knots becoming southwest 10 to 15 knots with gusts to around 25 knots in the afternoon. Mostly sunny. Waves 1 to 3 feet.
Tonight
West wind 10 to 15 knots with gusts to around 20 knots becoming northwest 5 to 10 knots after midnight. Partly cloudy. Waves 1 to 3 feet.
Wednesday
West wind 5 to 10 knots becoming southwest 10 to 15 knots with gusts to around 20 knots in the afternoon. Sunny. Waves 1 to 2 feet.
Wednesday Night
Southwest wind 5 to 10 knots becoming north after midnight. Partly cloudy. Waves 1 to 2 feet.
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