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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: 8:22 am CST Jan 30, 2026
Forecast Valid: 10am CST Jan 30, 2026-6pm CST Feb 5, 2026

Today

N wind around 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Tonight

N wind 5 to 10 kt, with gusts as high as 20 kt. Mostly clear. Waves 1 ft or less.

Saturday

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

Saturday Night

SW wind 10 to 15 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 1 to 2 ft.

Sunday

SSW wind 5 to 15 kt becoming W in the afternoon. Winds could gust as high as 30 kt. Snow, mainly after noon. Waves 1 to 3 ft.

Sunday Night

W wind 5 to 10 kt becoming N after midnight. Winds could gust as high as 20 kt. A slight chance of snow before midnight. Waves 1 ft or less.

Monday

N wind 5 to 10 kt, with gusts as high as 20 kt. Sunny. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. Mostly sunny. 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.