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Grand Portage MN

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 5:57 am CDT Apr 5, 2025
Forecast Valid: 8am CDT Apr 5, 2025-6pm CDT Apr 11, 2025

Today

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

Tonight

Variable winds 5 kt or less. Winds could gust as high as 15 kt. A chance of flurries before 9pm, then a chance of snow. Waves 1 ft or less.

Sunday

Variable winds 5 kt or less. A slight chance of snow after 1pm. Waves 1 ft or less.

Sunday Night

N wind 5 to 10 kt, with gusts as high as 25 kt. Partly cloudy. Waves 1 ft or less.

Monday

N wind 5 to 10 kt, with gusts as high as 25 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

Variable winds 5 kt or less. Winds could gust as high as 15 kt. Mostly clear. Waves 1 ft or less.

Tuesday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Tuesday Night

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

Wednesday

Variable winds 5 kt or less. Mostly 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.