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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind around 6 kt becoming variable and less than 5 kt. Areas of fog after 9pm.  Waves 1 ft or less.

      Low: 36 °F

      SW 6kt⇓
      < 1ft

    • Thursday

      Thursday:ESE wind 7 to 9 kt. A slight chance of rain between 3pm and 5pm.  Areas of fog before 9am.  Waves 1 ft or less.

      High: 48 °F

      ESE 9kt
      < 1ft

    • Thursday Night

      Thursday Night:ESE wind around 10 kt. Rain, mainly after 7pm.   Waves 1 ft or less.

      Low: 41 °F

      ESE 10kt
      < 1ft

    • Friday

      Friday:SSE wind 9 to 16 kt becoming WSW in the afternoon. Winds could gust as high as 26 kt. A chance of rain before 1pm.   Waves 1 ft or less.

      High: 51 °F

      WSW 16kt
      < 1ft

    • Friday Night

      Friday Night:WSW wind 10 to 14 kt, with gusts as high as 22 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 32 °F

      WSW 14kt
      < 1ft

    • Saturday

      Saturday:W wind around 9 kt. Mostly cloudy. Waves 1 ft or less.

      High: 40 °F

      W 9kt
      < 1ft

    • Saturday Night

      Saturday Night:W wind around 6 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 30 °F

      W 6kt
      < 1ft

    • Sunday

      Sunday:NW wind 7 to 10 kt. A chance of snow.   Waves 1 ft or less.

      High: 37 °F

      NW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:NNW wind around 10 kt. A chance of snow.   Waves 1 ft or less.

      Low: 25 °F

      NNW 10kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:49 pm EST Feb 18, 2026
Forecast Valid: 6pm EST Feb 18, 2026-6pm EST Feb 25, 2026

View Nearby Observations

Detailed Forecast

Tonight
SW wind around 6 kt becoming variable and less than 5 kt. Areas of fog after 9pm. Waves 1 ft or less.
Thursday
ESE wind 7 to 9 kt. A slight chance of rain between 3pm and 5pm. Areas of fog before 9am. Waves 1 ft or less.
Thursday Night
ESE wind around 10 kt. Rain, mainly after 7pm. Waves 1 ft or less.
Friday
SSE wind 9 to 16 kt becoming WSW in the afternoon. Winds could gust as high as 26 kt. A chance of rain before 1pm. Waves 1 ft or less.
Friday Night
WSW wind 10 to 14 kt, with gusts as high as 22 kt. Mostly cloudy. Waves 1 ft or less.
Saturday
W wind around 9 kt. Mostly cloudy. Waves 1 ft or less.
Saturday Night
W wind around 6 kt. Mostly cloudy. Waves 1 ft or less.
Sunday
NW wind 7 to 10 kt. A chance of snow. Waves 1 ft or less.
Sunday Night
NNW wind around 10 kt. A chance of snow. 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: 3:49 pm EST Feb 18, 2026
Forecast Valid: 6pm EST Feb 18, 2026-6pm EST Feb 25, 2026
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