Hazardous Weather Conditions

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Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:NNE wind around 10 kt, with gusts as high as 15 kt. A chance of snow showers, mainly before 7am.   Waves 1 ft or less.

      High: 29 °F

      NNE 10kt
      < 1ft

    • Thursday Night

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

      Low: 14 °F

      Light Wind
      < 1ft

    • Friday

      Friday:N wind 5 to 10 kt becoming WNW in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

      High: 26 °F

      WNW 10kt
      < 1ft

    • Friday Night

      Friday Night:W wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 ft or less.

      Low: 15 °F

      W 10kt
      < 1ft

    • Saturday

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

      High: 30 °F

      SW 10kt
      < 1ft

    • Saturday Night

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

      Low: 22 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:ENE wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

      High: 37 °F

      ENE 10kt
      < 1ft

    • Sunday Night

      Sunday Night:NE wind 5 to 10 kt becoming NNW after midnight. Winds could gust as high as 15 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 29 °F

      NNW 10kt
      < 1ft

    • Monday

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

      High: 37 °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: 1:22 am CDT Mar 26, 2026
Forecast Valid: 3am CDT Mar 26, 2026-6pm CDT Apr 1, 2026

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Detailed Forecast

Thursday
NNE wind around 10 kt, with gusts as high as 15 kt. A chance of snow showers, mainly before 7am. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Friday
N wind 5 to 10 kt becoming WNW in the afternoon. Winds could gust as high as 20 kt. Mostly cloudy. Waves 1 ft or less.
Friday Night
W wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 ft or less.
Saturday
W wind 5 to 10 kt becoming SW in the afternoon. Partly sunny. Waves 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Sunday
ENE wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.
Sunday Night
NE wind 5 to 10 kt becoming NNW after midnight. Winds could gust as high as 15 kt. Mostly cloudy. Waves 1 ft or less.
Monday
NNW wind 5 to 10 kt becoming ENE in the afternoon. Winds could gust as high as 20 kt. Mostly sunny. Waves 1 ft or less.

Note...Wave height forecasts are for ice free areas.


*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: 47.86°N 89.86°W
Last Update: 1:22 am CDT Mar 26, 2026
Forecast Valid: 3am CDT Mar 26, 2026-6pm CDT Apr 1, 2026
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