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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:N wind around 12 kt, with gusts as high as 18 kt. Mostly sunny. Waves 1 ft or less.

      High: 82 °F

      N 12kt
      < 1ft

    • Tonight

      Tonight:N wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 63 °F

      N 9kt⇓
      < 1ft

    • Thursday

      Thursday:NNW wind 6 to 8 kt becoming NNE in the afternoon. Sunny. Waves 1 ft or less.

      High: 86 °F

      NNE 8kt
      < 1ft

    • Thursday Night

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

      Low: 66 °F

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Increasing clouds. Waves 1 ft or less.

      High: 87 °F

      ⇑SSW 6kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers after 2am.   Waves 1 ft or less.

      Low: 68 °F

      SSW 6kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming E around 6 kt in the morning. Showers likely, mainly after 2pm.   Waves 1 ft or less.

      High: 80 °F

      ⇑E 6kt
      < 1ft

    • Saturday Night

      Saturday Night:NE wind 6 to 8 kt. Showers likely.   Waves 1 ft or less.

      Low: 65 °F

      NE 8kt
      < 1ft

    • Sunday

      Sunday:NE wind around 9 kt. Partly sunny. Waves 1 ft or less.

      High: 80 °F

      NE 9kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:58 pm EDT Jul 29, 2026
Forecast Valid: 3pm EDT Jul 29, 2026-6pm EDT Aug 4, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
N wind around 12 kt, with gusts as high as 18 kt. Mostly sunny. Waves 1 ft or less.
Tonight
N wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Thursday
NNW wind 6 to 8 kt becoming NNE in the afternoon. Sunny. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Increasing clouds. Waves 1 ft or less.
Friday Night
SSW wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers after 2am. Waves 1 ft or less.
Saturday
Variable winds less than 5 kt becoming E around 6 kt in the morning. Showers likely, mainly after 2pm. Waves 1 ft or less.
Saturday Night
NE wind 6 to 8 kt. Showers likely. Waves 1 ft or less.
Sunday
NE wind around 9 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: 42.19°N 83.15°W
Last Update: 2:58 pm EDT Jul 29, 2026
Forecast Valid: 3pm EDT Jul 29, 2026-6pm EDT Aug 4, 2026
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