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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: 12:11 am CST Nov 29, 2025
Forecast Valid: 2am CST Nov 29, 2025-6pm CST Dec 5, 2025

Saturday

N wind 5 to 10 kt becoming NE in the afternoon. A chance of flurries after 5pm. Waves 1 ft or less.

Saturday Night

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

Sunday

N wind 10 to 15 kt becoming WNW in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

W wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 ft or less.

Monday

WSW wind 10 to 15 kt, with gusts as high as 20 kt. Partly sunny. Waves 1 ft or less building to 3 ft.

Monday Night

WNW wind 5 to 10 kt, with gusts as high as 20 kt. A slight chance of snow. Waves 1 to 2 ft.

Tuesday

WNW wind 5 to 10 kt becoming SW in the afternoon. Winds could gust as high as 15 kt. Partly sunny. Waves 1 ft or less.

Tuesday Night

WSW wind around 10 kt becoming NW after midnight. Winds could gust as high as 20 kt. A chance of snow. Waves around 1 ft.

Wednesday

NW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow. Waves 1 ft or less.

*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.