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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: 9:52 pm CST Jan 26, 2026
Forecast Valid: 12am CST Jan 27, 2026-6pm CST Feb 2, 2026

Overnight

NW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow showers, mainly before 4am. Waves 1 to 3 ft.

Tuesday

NW wind around 15 kt, with gusts as high as 25 kt. A slight chance of snow showers, mainly between 10am and noon. Waves 1 ft or less.

Tuesday Night

W wind 10 to 15 kt becoming NNW after midnight. Winds could gust as high as 25 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

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

Wednesday Night

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

Thursday

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

Thursday Night

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

Friday

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

Friday Night

Variable winds 5 kt or less. Winds could gust 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.