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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: 2:51 am CST Feb 20, 2026
Forecast Valid: 3am CST Feb 20, 2026-6pm CST Feb 26, 2026

Friday

N wind around 10 kt, with gusts as high as 20 kt. A chance of snow. Waves around 1 ft.

Friday Night

N wind around 10 kt, with gusts as high as 20 kt. A chance of snow. Waves around 1 ft.

Saturday

N wind 5 to 10 kt, with gusts as high as 20 kt. A chance of snow. Waves around 1 ft.

Saturday Night

NNW wind 5 to 10 kt, with gusts as high as 25 kt. A chance of flurries before midnight. Waves 1 ft or less.

Sunday

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

Sunday Night

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

Monday

N wind 5 to 10 kt becoming SE in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

SE wind 5 to 15 kt, with gusts as high as 30 kt. A chance of snow. Waves 1 ft or less building to 3 ft.

Tuesday

S wind 10 to 15 kt becoming SW in the afternoon. Winds could gust as high as 30 kt. A chance of snow. Waves 2 to 4 ft.

*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.