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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: 9:13 pm CST Jan 15, 2026
Forecast Valid: 11pm CST Jan 15, 2026-6pm CST Jan 22, 2026

Overnight

Variable winds 5 kt or less. Snow likely, mainly before 1am. Patchy fog between midnight and 2am, then Patchy fog after 5am. Waves 1 to 3 ft.

Friday

NNW wind 5 to 15 kt, with gusts as high as 25 kt. A chance of snow. Patchy fog before 7am. Waves 1 ft or less.

Friday Night

N wind around 15 kt, with gusts as high as 30 kt. A chance of snow, mainly before midnight. Waves 1 ft or less.

Saturday

N wind 10 to 15 kt, with gusts as high as 30 kt. A slight chance of snow. Waves 1 ft or less.

Saturday Night

NNW wind 5 to 10 kt becoming W after midnight. Winds could gust as high as 25 kt. Mostly cloudy. Waves 1 ft or less.

Sunday

WSW wind 5 to 15 kt, with gusts as high as 25 kt. Snow, mainly after noon. Waves 1 to 2 ft.

Sunday Night

NNW wind 15 to 20 kt, with gusts as high as 40 kt. A chance of snow before midnight. Waves around 1 ft.

M.L.King Day

NNW wind 15 to 20 kt, with gusts as high as 35 kt. Partly sunny. Waves 1 ft or less.

Monday Night

WNW wind 10 to 15 kt, with gusts as high as 30 kt. Mostly cloudy. 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.