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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: 6:01 am CDT Jun 3, 2026
Forecast Valid: 6am CDT Jun 3, 2026-6pm CDT Jun 9, 2026

Today

SW wind 5 to 10 kt. Mostly sunny. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. A slight chance of showers after 4am. Waves 1 ft or less.

Thursday

S wind 5 to 10 kt becoming SW in the afternoon. A chance of showers, mainly between 7am and 1pm. Waves 1 to 2 ft.

Thursday Night

Variable winds 5 kt or less. A slight chance of showers and thunderstorms. Waves 1 ft or less.

Friday

W wind 5 to 10 kt becoming SW in the afternoon. Partly sunny. Waves 1 ft or less.

Friday Night

Variable winds 5 kt or less. A slight chance of showers before 1am. Waves 1 ft or less.

Saturday

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

Saturday Night

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

Sunday

ENE wind 5 to 10 kt. Mostly 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.