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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: 12:16 pm CDT Jun 16, 2026
Forecast Valid: 12pm CDT Jun 16, 2026-6pm CDT Jun 22, 2026

This Afternoon

Variable winds 5 kt or less. Scattered showers, mainly before 2pm. Waves 1 ft or less.

Tonight

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

Wednesday

Variable winds less than 5 kt becoming ENE 5 to 10 kt in the morning. A chance of showers, mainly after 1pm. Waves 1 ft or less.

Wednesday Night

NE wind 5 to 10 kt becoming NNW after midnight. A chance of showers, mainly before 9pm. Waves 1 ft or less.

Thursday

NW wind 5 to 10 kt becoming W in the afternoon. Scattered showers, mainly after 1pm. Waves 1 ft or less.

Thursday Night

WNW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Juneteenth

WNW wind 5 to 10 kt becoming WSW in the afternoon. Winds could gust as high as 15 kt. Mostly sunny. Waves 1 ft or less.

Friday Night

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

Saturday

W wind 5 to 10 kt. Isolated 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.