For More Weather Information:

21NM E Grand Portage MN

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 9:12 am CDT Jul 1, 2026
Forecast Valid: 11am CDT Jul 1, 2026-6pm CDT Jul 7, 2026

Today

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

Tonight

SSW wind 5 to 10 kt. A slight chance of showers and thunderstorms between 8pm and 10pm. Patchy fog after 2am. Waves 1 ft or less.

Thursday

SW wind 5 to 10 kt, with gusts as high as 20 kt. Patchy fog before 9am. Waves 1 ft or less.

Thursday Night

SW wind 5 to 10 kt becoming NNE after midnight. Winds could gust as high as 15 kt. Mostly clear. Waves 1 ft or less.

Friday

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

Friday Night

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

Independence Day

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

Saturday Night

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

Sunday

Variable winds 5 kt or less. 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.