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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:S wind 12 to 17 kt becoming SW. Winds could gust as high as 26 kt. Rain and thunderstorms likely before 5am, then a chance of rain. Waves 1 ft or less.

      Low: 56 °F

      SW 17kt
      < 1ft

    • Friday

      Friday:W wind 14 to 17 kt, with gusts as high as 26 kt. Rain likely, mainly between 3pm and 5pm. Waves 1 ft or less.

      High: 61 °FFalling Temperatures

      W 17kt
      < 1ft

    • Friday Night

      Friday Night:N wind 16 to 18 kt, with gusts as high as 27 kt. Cloudy during the early evening, then gradual clearing. Waves 1 ft or less.

      Low: 38 °F

      N 18kt
      < 1ft

    • Saturday

      Saturday:NNW wind 6 to 10 kt. Sunny. Waves 1 ft or less.

      High: 54 °F

      NNW 10kt
      < 1ft

    • Saturday Night

      Saturday Night:WSW wind 6 to 8 kt. Clear. Waves 1 ft or less.

      Low: 40 °F

      WSW 8kt
      < 1ft

    • Sunday

      Sunday:SW wind 9 to 11 kt. Sunny. Waves 1 ft or less.

      High: 62 °F

      SW 11kt
      < 1ft

    • Sunday Night

      Sunday Night:SSW wind 7 to 9 kt. Mostly clear. Waves 1 ft or less.

      Low: 44 °F

      SSW 9kt
      < 1ft

    • Monday

      Monday:SW wind 5 to 7 kt. Sunny. Waves 1 ft or less.

      High: 66 °F

      SW 7kt
      < 1ft

    • Monday Night

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

      Low: 46 °F

      Light Wind
      < 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 Oct 15, 2026
Forecast Valid: 12am EDT Oct 16, 2026-6pm EDT Oct 22, 2026

View Nearby Observations

Detailed Forecast

Overnight
S wind 12 to 17 kt becoming SW. Winds could gust as high as 26 kt. Rain and thunderstorms likely before 5am, then a chance of rain. Waves 1 ft or less.
Friday
W wind 14 to 17 kt, with gusts as high as 26 kt. Rain likely, mainly between 3pm and 5pm. Waves 1 ft or less.
Friday Night
N wind 16 to 18 kt, with gusts as high as 27 kt. Cloudy during the early evening, then gradual clearing. Waves 1 ft or less.
Saturday
NNW wind 6 to 10 kt. Sunny. Waves 1 ft or less.
Saturday Night
WSW wind 6 to 8 kt. Clear. Waves 1 ft or less.
Sunday
SW wind 9 to 11 kt. Sunny. Waves 1 ft or less.
Sunday Night
SSW wind 7 to 9 kt. Mostly clear. Waves 1 ft or less.
Monday
SW wind 5 to 7 kt. Sunny. Waves 1 ft or less.
Monday Night
Variable winds 5 kt or less. Partly cloudy. 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 Oct 15, 2026
Forecast Valid: 12am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
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