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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: 12:06 pm CDT Apr 7, 2026
Forecast Valid: 12pm CDT Apr 7, 2026-6pm CDT Apr 13, 2026

This Afternoon

SW wind around 10 kt, with gusts as high as 15 kt. Sunny. Waves 1 ft or less.

Tonight

SSW wind 5 to 15 kt becoming SE in the evening. Winds could gust as high as 20 kt. A chance of snow, mainly after 3am. Waves 1 to 3 ft.

Wednesday

SE wind 10 to 15 kt, with gusts as high as 20 kt. Snow likely before noon, then rain, possibly mixed with snow. Waves 3 to 4 ft.

Wednesday Night

WSW wind 10 to 15 kt, with gusts as high as 30 kt. A chance of rain before 1am. Waves 3 to 4 ft.

Thursday

W wind 10 to 15 kt, with gusts as high as 25 kt. Partly sunny. Waves 2 to 3 ft.

Thursday Night

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

Friday

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

Friday Night

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

Saturday

Variable winds 5 kt or less. 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.