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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: 5:06 am CDT Mar 28, 2026
Forecast Valid: 8am CDT Mar 28, 2026-6pm CDT Apr 3, 2026

Today

SW wind 5 to 15 kt, with gusts as high as 20 kt. A chance of snow showers, mainly before 2pm. Waves 1 ft or less.

Tonight

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

Sunday

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

Sunday Night

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

Monday

ENE wind 5 to 15 kt. A chance of snow showers after 1pm. Waves 1 ft or less.

Monday Night

ENE wind 10 to 15 kt, with gusts as high as 25 kt. A chance of rain and snow showers. Waves 2 to 3 ft.

Tuesday

N wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow showers, mainly before 1pm. Waves around 2 ft.

Tuesday Night

N wind around 15 kt, with gusts as high as 30 kt. Mostly cloudy. Waves 1 ft or less.

Wednesday

N wind 5 to 10 kt becoming SSE in the afternoon. Winds could gust as high as 15 kt. Sunny. 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.