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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:NE wind 5 to 7 kt. Mostly clear. Waves 1 ft or less.

      Low: 62 °F

      NE 7kt
      < 1ft

    • Friday

      Friday:N wind around 6 kt becoming ENE in the afternoon. Sunny. Waves 1 ft or less.

      High: 80 °F

      N 6kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Low: 62 °F

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Sunny. Waves 1 ft or less.

      High: 82 °F

      ⇑SSW 8kt
      < 1ft

    • Saturday Night

      Saturday Night:SSE wind around 7 kt. Partly cloudy. Waves 1 ft or less.

      Low: 69 °F

      SSE 7kt
      < 1ft

    • Sunday

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

      High: 85 °F

      SSW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:SSW wind around 8 kt. A chance of showers after 2am.   Waves 1 ft or less.

      Low: 72 °F

      SSW 8kt
      < 1ft

    • Monday

      Monday:SSW wind 8 to 11 kt. A chance of showers.   Waves 1 ft or less.

      High: 88 °F

      SSW 11kt
      < 1ft

    • Monday Night

      Monday Night:SW wind around 8 kt. A chance of showers.   Waves 1 ft or less.

      Low: 74 °F

      SW 8kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:24 pm EDT Aug 27, 2026
Forecast Valid: 11pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026

View Nearby Observations

Detailed Forecast

Overnight
NE wind 5 to 7 kt. Mostly clear. Waves 1 ft or less.
Friday
N wind around 6 kt becoming ENE in the afternoon. Sunny. Waves 1 ft or less.
Friday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Saturday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Sunny. Waves 1 ft or less.
Saturday Night
SSE wind around 7 kt. Partly cloudy. Waves 1 ft or less.
Sunday
SSW wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.
Sunday Night
SSW wind around 8 kt. A chance of showers after 2am. Waves 1 ft or less.
Monday
SSW wind 8 to 11 kt. A chance of showers. Waves 1 ft or less.
Monday Night
SW wind around 8 kt. A chance of showers. 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: 42.19°N 83.15°W
Last Update: 4:24 pm EDT Aug 27, 2026
Forecast Valid: 11pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
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