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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Sunny. Waves 1 ft or less.

      High: 88 °F

      ⇑SSW 6kt
      < 1ft

    • Tonight

      Tonight:SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 71 °F

      SSW 7kt⇓
      < 1ft

    • Thursday

      Thursday:WSW wind 5 to 10 kt. A chance of showers and thunderstorms after 3pm.   Waves 1 ft or less.

      High: 88 °F

      WSW 10kt
      < 1ft

    • Thursday Night

      Thursday Night:W wind 5 to 7 kt becoming variable and less than 5 kt. Showers and thunderstorms likely.   Waves 1 ft or less.

      Low: 69 °F

      W 7kt⇓
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. A chance of showers.   Waves 1 ft or less.

      High: 84 °F

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:NNE wind around 6 kt. Partly cloudy. Waves 1 ft or less.

      Low: 67 °F

      NNE 6kt
      < 1ft

    • Saturday

      Saturday:NE wind around 7 kt becoming E in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 84 °F

      ENE 7kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 67 °F

      E 7kt⇓
      < 1ft

    • Sunday

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

      High: 85 °F

      ⇑ESE 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 am EDT Jul 8, 2026
Forecast Valid: 9am EDT Jul 8, 2026-6pm EDT Jul 14, 2026

View Nearby Observations

Detailed Forecast

Today
Variable winds less than 5 kt becoming SSW around 6 kt in the afternoon. Sunny. Waves 1 ft or less.
Tonight
SSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Thursday
WSW wind 5 to 10 kt. A chance of showers and thunderstorms after 3pm. Waves 1 ft or less.
Thursday Night
W wind 5 to 7 kt becoming variable and less than 5 kt. Showers and thunderstorms likely. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.
Friday Night
NNE wind around 6 kt. Partly cloudy. Waves 1 ft or less.
Saturday
NE wind around 7 kt becoming E in the afternoon. Mostly sunny. Waves 1 ft or less.
Saturday Night
E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming ESE around 6 kt 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: 4:24 am EDT Jul 8, 2026
Forecast Valid: 9am EDT Jul 8, 2026-6pm EDT Jul 14, 2026
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