For More Weather Information:

10NM SW Grand Portage MN

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 1:16 pm CDT Jun 1, 2026
Forecast Valid: 1pm CDT Jun 1, 2026-6pm CDT Jun 7, 2026

This Afternoon

ENE wind 10 to 15 kt, with gusts as high as 20 kt. Sunny. Waves around 1 ft.

Tonight

NE wind 5 to 10 kt, with gusts as high as 15 kt. 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

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

Wednesday Night

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

Thursday

SW wind 5 to 10 kt. A chance of showers and thunderstorms. Waves around 1 ft.

Thursday Night

WSW wind 5 to 10 kt becoming NW after midnight. A chance of showers and thunderstorms. Waves 1 ft or less.

Friday

NNW wind 5 to 10 kt becoming SSE in the afternoon. A slight chance of showers. 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.