Hazardous Weather Conditions
Last Update: 236 AM CDT Tue Oct 27 2026
For More Weather Information:
10NM SW Grand Portage MN
Marine Zone Forecast
Today
East wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late morning and afternoon. Slight chance of rain early in the morning, then rain likely late in the morning. Rain in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon.
Tonight
Southeast wind 10 to 15 knots with gusts to around 20 knots becoming southwest 5 to 10 knots after midnight. Chance of rain in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight.
Wednesday
Southwest wind 10 to 15 knots with gusts to around 20 knots. Slight chance of rain showers in the afternoon. Waves 1 to 2 feet.
Wednesday Night
South wind 5 knots becoming northwest 10 to 15 knots in the late evening and overnight. Slight chance of thunderstorms in the evening. Rain showers through the night. Waves 1 to 2 feet.
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