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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NE wind around 8 kt. Mostly cloudy. Waves 1 ft or less.

      High: 60 °F

      NE 8kt
      < 1ft

    • Tonight

      Tonight:NNE wind around 8 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 44 °F

      NNE 8kt
      < 1ft

    • Thursday

      Thursday:ENE wind 8 to 12 kt, with gusts as high as 18 kt. Sunny. Waves 1 ft or less.

      High: 63 °F

      ENE 12kt
      < 1ft

    • Thursday Night

      Thursday Night:ENE wind 9 to 11 kt. Mostly clear. Waves 1 ft or less.

      Low: 49 °F

      ENE 11kt
      < 1ft

    • Friday

      Friday:E wind 12 to 15 kt, with gusts as high as 24 kt. A chance of showers after 2pm.   Waves 1 ft or less.

      High: 67 °F

      E 15kt
      < 1ft

    • Friday Night

      Friday Night:E wind around 16 kt, with gusts as high as 25 kt. Showers, mainly after 8pm.   Waves 1 ft or less.

      Low: 55 °F

      E 16kt
      < 1ft

    • Saturday

      Saturday:E wind 12 to 14 kt, with gusts as high as 21 kt. Showers, mainly before 2pm.   Waves 1 ft or less.

      High: 72 °F

      E 14kt
      < 1ft

    • Saturday Night

      Saturday Night:S wind 5 to 9 kt. A chance of showers.   Waves 1 ft or less.

      Low: 58 °F

      S 9kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. A chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 76 °F

      ⇑S 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 pm EDT May 20, 2026
Forecast Valid: 4pm EDT May 20, 2026-6pm EDT May 26, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
NE wind around 8 kt. Mostly cloudy. Waves 1 ft or less.
Tonight
NNE wind around 8 kt. Mostly cloudy. Waves 1 ft or less.
Thursday
ENE wind 8 to 12 kt, with gusts as high as 18 kt. Sunny. Waves 1 ft or less.
Thursday Night
ENE wind 9 to 11 kt. Mostly clear. Waves 1 ft or less.
Friday
E wind 12 to 15 kt, with gusts as high as 24 kt. A chance of showers after 2pm. Waves 1 ft or less.
Friday Night
E wind around 16 kt, with gusts as high as 25 kt. Showers, mainly after 8pm. Waves 1 ft or less.
Saturday
E wind 12 to 14 kt, with gusts as high as 21 kt. Showers, mainly before 2pm. Waves 1 ft or less.
Saturday Night
S wind 5 to 9 kt. A chance of showers. Waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming S 5 to 8 kt in the morning. A chance of showers and thunderstorms after 2pm. 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 May 20, 2026
Forecast Valid: 4pm EDT May 20, 2026-6pm EDT May 26, 2026
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