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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: 8:21 pm CDT Jul 15, 2026
Forecast Valid: 10pm CDT Jul 15, 2026-6pm CDT Jul 22, 2026

Tonight

Variable winds 5 kt or less. Widespread smoke. Waves 1 ft or less.

Thursday

Variable winds 5 kt or less. A slight chance of showers between 1pm and 2pm. Widespread smoke. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Showers likely, mainly after 5am. Widespread smoke. Waves 1 ft or less.

Friday

NE wind 5 to 10 kt. Showers, with thunderstorms also possible after 10am. Widespread smoke before 8am. Waves 1 ft or less.

Friday Night

NE wind 5 to 10 kt becoming N after midnight. A chance of showers and thunderstorms before 1am, then a slight chance of showers. 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. Partly cloudy. Waves 1 ft or less.

Sunday

SSW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

Sunday Night

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