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Detroit/Pontiac, MI Local Forecast Office

7NM S Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:W wind around 14 kt. Partly sunny. Waves around 1 ft.

      High: 29 °F

      W 14kt
      1ft

    • Thursday Night

      Thursday Night:W wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 20 °F

      W 10kt
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.

      High: 28 °F

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:SW wind 5 to 10 kt increasing to 11 to 16 kt after midnight. A chance of snow showers before 1am.   Waves 1 ft or less.

      Low: 18 °F

      ⇑SW 16kt
      < 1ft

    • Saturday

      Saturday:W wind 15 to 18 kt. A chance of snow showers after 1pm.   Waves 1 to 2 ft.

      High: 23 °F

      W 18kt
      1-2ft

    • Saturday Night

      Saturday Night:W wind around 14 kt. A chance of snow showers before 1am.   Waves around 1 ft.

      Low: 10 °F

      W 14kt
      1ft

    • Sunday

      Sunday:NW wind 14 to 16 kt. Mostly sunny. Waves 1 ft or less.

      High: 21 °F

      NW 16kt
      < 1ft

    • Sunday Night

      Sunday Night:W wind 9 to 12 kt. Partly cloudy. Waves 1 ft or less.

      Low: 11 °F

      W 12kt
      < 1ft

    • Monday

      Monday:SW wind 11 to 16 kt, with gusts as high as 23 kt. Partly sunny. Waves 1 ft or less.

      High: 22 °F

      SW 16kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:25 am EST Dec 11, 2025
Forecast Valid: 3am EST Dec 11, 2025-6pm EST Dec 17, 2025

View Nearby Observations

Detailed Forecast

Thursday
W wind around 14 kt. Partly sunny. Waves around 1 ft.
Thursday Night
W wind 5 to 10 kt. Mostly cloudy. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Friday Night
SW wind 5 to 10 kt increasing to 11 to 16 kt after midnight. A chance of snow showers before 1am. Waves 1 ft or less.
Saturday
W wind 15 to 18 kt. A chance of snow showers after 1pm. Waves 1 to 2 ft.
Saturday Night
W wind around 14 kt. A chance of snow showers before 1am. Waves around 1 ft.
Sunday
NW wind 14 to 16 kt. Mostly sunny. Waves 1 ft or less.
Sunday Night
W wind 9 to 12 kt. Partly cloudy. Waves 1 ft or less.
Monday
SW wind 11 to 16 kt, with gusts as high as 23 kt. Partly 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: 42.01°N 83.17°W
Last Update: 1:25 am EST Dec 11, 2025
Forecast Valid: 3am EST Dec 11, 2025-6pm EST Dec 17, 2025
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