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Duluth, MN Local Forecast Office

12NM ENE Grand Marais MN

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:N wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow, mainly before 2pm.   Waves 5 to 7 ft.

      High: 29 °F

      N 15kt
      5-7ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NNW wind 5 to 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 to 3 ft.

      Low: 15 °F

      NNW 10kt
      1-3ft

    • Saturday

      Saturday:NW wind 5 to 10 kt becoming SW in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 29 °F

      SW 10kt
      < 1ft

    • Saturday Night

      Saturday Night:SSW wind 5 to 10 kt becoming NE after midnight. Winds could gust as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 21 °F

      NE 10kt
      < 1ft

    • Sunday

      Sunday:NNE wind 10 to 20 kt, with gusts as high as 30 kt. A chance of snow.   Waves 1 to 2 ft.

      High: 26 °F

      NNE 20kt
      1-2ft

    • Sunday Night

      Sunday Night:N wind 20 to 25 kt, with gusts as high as 45 kt. A chance of snow, mainly before 1am.   Waves 1 to 2 ft.

      Low: 8 °F

      N 25kt
      1-2ft

    • Monday

      Monday:N wind around 25 kt, with gusts as high as 45 kt. A slight chance of snow before 1pm.   Waves around 1 ft.

      High: 16 °F

      N 25kt
      1ft

    • Monday Night

      Monday Night:NNW wind 15 to 20 kt, with gusts as high as 35 kt. Mostly clear. Waves 1 ft or less.

      Low: 4 °F

      NNW 20kt
      < 1ft

    • Tuesday

      Tuesday:NNW wind 5 to 10 kt becoming SW in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Waves 1 ft or less.

      High: 21 °F

      NNW 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:17 pm CDT Mar 13, 2026
Forecast Valid: 12pm CDT Mar 13, 2026-6pm CDT Mar 19, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
N wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow, mainly before 2pm. Waves 5 to 7 ft.
Tonight
NNW wind 5 to 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 to 3 ft.
Saturday
NW wind 5 to 10 kt becoming SW in the afternoon. Mostly sunny. Waves 1 ft or less.
Saturday Night
SSW wind 5 to 10 kt becoming NE after midnight. Winds could gust as high as 20 kt. Mostly cloudy. Waves 1 ft or less.
Sunday
NNE wind 10 to 20 kt, with gusts as high as 30 kt. A chance of snow. Waves 1 to 2 ft.
Sunday Night
N wind 20 to 25 kt, with gusts as high as 45 kt. A chance of snow, mainly before 1am. Waves 1 to 2 ft.
Monday
N wind around 25 kt, with gusts as high as 45 kt. A slight chance of snow before 1pm. Waves around 1 ft.
Monday Night
NNW wind 15 to 20 kt, with gusts as high as 35 kt. Mostly clear. Waves 1 ft or less.
Tuesday
NNW wind 5 to 10 kt becoming SW in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Waves 1 ft or less.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 47.8°N 90.05°W
Last Update: 12:17 pm CDT Mar 13, 2026
Forecast Valid: 12pm CDT Mar 13, 2026-6pm CDT Mar 19, 2026
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