For More Weather Information:

Grand Marais MN

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 9:04 am CDT Oct 12, 2026
Forecast Valid: 11am CDT Oct 12, 2026-6pm CDT Oct 18, 2026

Columbus Day

ENE wind 15 to 20 kt, with gusts as high as 30 kt. A chance of showers, mainly after 4pm. Waves 3 to 4 ft.

Tonight

ENE wind 15 to 20 kt, with gusts as high as 30 kt. Showers, mainly before 1am. Waves 3 to 4 ft.

Tuesday

Variable winds 5 kt or less. Mostly cloudy. Waves 1 to 2 ft.

Tuesday Night

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

Wednesday

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

Wednesday Night

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

Thursday

SE wind 5 to 10 kt becoming SW in the afternoon. A chance of showers after 1pm. Waves 1 ft or less.

Thursday Night

WSW wind 5 to 10 kt becoming NW 15 to 20 kt after midnight. Winds could gust as high as 30 kt. A chance of showers. Waves 1 ft or less.

Friday

NNW wind 15 to 20 kt, with gusts as high as 35 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.