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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: 12:13 pm CDT Apr 3, 2026
Forecast Valid: 12pm CDT Apr 3, 2026-6pm CDT Apr 9, 2026

This Afternoon

NE wind around 10 kt, with gusts as high as 15 kt. Partly sunny. Waves around 1 ft.

Tonight

ENE wind 15 to 20 kt, with gusts as high as 35 kt. Snow likely, mainly after 5am. Waves 1 ft building to 4 ft.

Saturday

ENE wind 15 to 20 kt, with gusts as high as 35 kt. Snow. The snow could be heavy at times. Waves 5 to 6 ft.

Saturday Night

N wind 10 to 15 kt becoming NW after midnight. Winds could gust as high as 30 kt. Snow likely, mainly before midnight. Waves 4 ft subsiding to 1 ft.

Sunday

NW wind 10 to 15 kt becoming W in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

W wind 5 to 10 kt becoming NW in the evening. Winds could gust as high as 15 kt. A chance of snow after 1am. Waves 1 ft or less.

Monday

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

Monday Night

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

Tuesday

WNW wind 5 to 10 kt becoming SW in the afternoon. 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.