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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind 9 to 12 kt, with gusts as high as 18 kt. Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.   Waves 1 ft or less.

      High: 72 °F

      WSW 12kt
      < 1ft

    • Tonight

      Tonight:W wind 5 to 8 kt becoming NNE after midnight. A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm.   Waves 1 ft or less.

      Low: 53 °F

      W 8kt
      < 1ft

    • Friday

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

      High: 65 °F

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:SE wind 7 to 9 kt. Showers likely and possibly a thunderstorm, mainly after 5am.   Waves 1 ft or less.

      Low: 53 °F

      SE 9kt
      < 1ft

    • Saturday

      Saturday:S wind 12 to 15 kt becoming WSW in the afternoon. Winds could gust as high as 23 kt. Showers likely and possibly a thunderstorm, then showers after 8am.   Waves 1 ft or less.

      High: 67 °F

      WSW 15kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind 11 to 13 kt, with gusts as high as 19 kt. A chance of showers before 2am.   Waves 1 ft or less.

      Low: 38 °F

      W 13kt
      < 1ft

    • Sunday

      Sunday:W wind 10 to 15 kt, with gusts as high as 23 kt. Mostly sunny. Waves 1 ft or less.

      High: 49 °F

      W 15kt
      < 1ft

    • Sunday Night

      Sunday Night:NW wind 8 to 13 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 ft or less.

      Low: 31 °F

      NW 13kt
      < 1ft

    • Monday

      Monday:NNW wind around 8 kt becoming W in the afternoon. Sunny. Waves 1 ft or less.

      High: 51 °F

      WNW 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: 4:24 am EDT Apr 16, 2026
Forecast Valid: 5am EDT Apr 16, 2026-6pm EDT Apr 22, 2026

View Nearby Observations

Detailed Forecast

Today
WSW wind 9 to 12 kt, with gusts as high as 18 kt. Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Waves 1 ft or less.
Tonight
W wind 5 to 8 kt becoming NNE after midnight. A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Waves 1 ft or less.
Friday
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Friday Night
SE wind 7 to 9 kt. Showers likely and possibly a thunderstorm, mainly after 5am. Waves 1 ft or less.
Saturday
S wind 12 to 15 kt becoming WSW in the afternoon. Winds could gust as high as 23 kt. Showers likely and possibly a thunderstorm, then showers after 8am. Waves 1 ft or less.
Saturday Night
W wind 11 to 13 kt, with gusts as high as 19 kt. A chance of showers before 2am. Waves 1 ft or less.
Sunday
W wind 10 to 15 kt, with gusts as high as 23 kt. Mostly sunny. Waves 1 ft or less.
Sunday Night
NW wind 8 to 13 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 ft or less.
Monday
NNW wind around 8 kt becoming W in the afternoon. 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 Apr 16, 2026
Forecast Valid: 5am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
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