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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind 7 to 10 kt. A chance of showers and thunderstorms, mainly before 5am.   Waves 1 ft or less.

      Low: 70 °F

      SW 10kt
      < 1ft

    • Tuesday

      Tuesday:N wind 10 to 13 kt, with gusts as high as 19 kt. Mostly sunny. Waves 1 ft or less.

      High: 80 °F

      N 13kt
      < 1ft

    • Tuesday Night

      Tuesday Night:N wind 9 to 13 kt, with gusts as high as 19 kt. Mostly clear. Waves 1 ft or less.

      Low: 65 °F

      N 13kt
      < 1ft

    • Wednesday

      Wednesday:N wind 11 to 13 kt, with gusts as high as 21 kt. Sunny. Waves 1 ft or less.

      High: 80 °F

      N 13kt
      < 1ft

    • Wednesday Night

      Wednesday Night:N wind 7 to 11 kt. Mostly clear. Waves 1 ft or less.

      Low: 63 °F

      N 11kt
      < 1ft

    • Thursday

      Thursday:N wind around 8 kt. Sunny. Waves 1 ft or less.

      High: 84 °F

      N 8kt
      < 1ft

    • Thursday Night

      Thursday Night:NE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

      Low: 64 °F

      NE 7kt⇓
      < 1ft

    • Friday

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

      High: 84 °F

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:SSE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Waves 1 ft or less.

      Low: 68 °F

      SSE 6kt⇓
      < 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 Jul 27, 2026
Forecast Valid: 6pm EDT Jul 27, 2026-6pm EDT Aug 3, 2026

View Nearby Observations

Detailed Forecast

Tonight
SW wind 7 to 10 kt. A chance of showers and thunderstorms, mainly before 5am. Waves 1 ft or less.
Tuesday
N wind 10 to 13 kt, with gusts as high as 19 kt. Mostly sunny. Waves 1 ft or less.
Tuesday Night
N wind 9 to 13 kt, with gusts as high as 19 kt. Mostly clear. Waves 1 ft or less.
Wednesday
N wind 11 to 13 kt, with gusts as high as 21 kt. Sunny. Waves 1 ft or less.
Wednesday Night
N wind 7 to 11 kt. Mostly clear. Waves 1 ft or less.
Thursday
N wind around 8 kt. Sunny. Waves 1 ft or less.
Thursday Night
NE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Friday Night
SSE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly 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 Jul 27, 2026
Forecast Valid: 6pm EDT Jul 27, 2026-6pm EDT Aug 3, 2026
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