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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 82 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 9pm.   Waves 1 ft or less.

      Low: 67 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 84 °F

      ⇑SSW 6kt
      < 1ft

    • Wednesday Night

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

      Low: 68 °F

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming NW around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 83 °F

      ⇑NW 6kt
      < 1ft

    • Thursday Night

      Thursday Night:NNW wind around 7 kt becoming NNE after midnight. Mostly cloudy. Waves 1 ft or less.

      Low: 65 °F

      N 7kt
      < 1ft

    • Friday

      Friday:NNE wind around 8 kt. Sunny. Waves 1 ft or less.

      High: 80 °F

      NNE 8kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 60 °F

      ENE 9kt⇓
      < 1ft

    • Saturday

      Saturday:ENE wind 5 to 8 kt becoming SE in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 77 °F

      SE 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: 5:35 am EDT Aug 11, 2026
Forecast Valid: 12pm EDT Aug 11, 2026-6pm EDT Aug 17, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 9pm. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Thursday
Variable winds less than 5 kt becoming NW around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Thursday Night
NNW wind around 7 kt becoming NNE after midnight. Mostly cloudy. Waves 1 ft or less.
Friday
NNE wind around 8 kt. Sunny. Waves 1 ft or less.
Friday Night
ENE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.
Saturday
ENE wind 5 to 8 kt becoming SE in the afternoon. 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: 42.19°N 83.15°W
Last Update: 5:35 am EDT Aug 11, 2026
Forecast Valid: 12pm EDT Aug 11, 2026-6pm EDT Aug 17, 2026
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