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10NM SW Grand Portage MN

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 4:47 pm CST Feb 24, 2026
Forecast Valid: 6pm CST Feb 24, 2026-6pm CST Mar 3, 2026

Tonight

NW wind 10 to 15 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

NW wind 10 to 15 kt, with gusts as high as 25 kt. Sunny. Waves 1 ft or less.

Wednesday Night

NW wind 5 to 10 kt. Increasing clouds. Waves 1 ft or less.

Thursday

SW wind 5 to 10 kt, with gusts as high as 15 kt. A chance of snow, mainly before noon. Waves 1 ft or less.

Thursday Night

SW wind 5 to 10 kt, with gusts as high as 15 kt. Mostly cloudy. Waves 1 ft or less.

Friday

SW wind 10 to 15 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 50 kt. Partly sunny. Waves 1 ft or less.

Friday Night

WNW wind 20 to 25 kt decreasing to 15 to 20 kt after midnight. Winds could gust as high as 45 kt. Partly cloudy. Waves 1 ft or less.

Saturday

NW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves 1 ft or less.

Saturday Night

NNW wind 5 to 10 kt, with gusts as high as 15 kt. Mostly clear. Waves 1 ft or less.

Note...Wave height forecasts are for ice free areas.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.