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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:ENE wind around 11 kt. Sunny. Waves 1 ft or less.

      High: 64 °F

      ENE 11kt
      < 1ft

    • Tonight

      Tonight:NE wind 9 to 12 kt, with gusts as high as 18 kt. Partly cloudy. Waves 1 ft or less.

      Low: 49 °F

      NE 12kt
      < 1ft

    • Friday

      Friday:E wind around 15 kt, with gusts as high as 23 kt. Increasing clouds. Waves 1 ft or less.

      High: 66 °F

      E 15kt
      < 1ft

    • Friday Night

      Friday Night:E wind around 15 kt, with gusts as high as 24 kt. Showers, mainly after 2am.   Waves 1 ft or less.

      Low: 53 °F

      E 15kt
      < 1ft

    • Saturday

      Saturday:E wind 13 to 16 kt, with gusts as high as 23 kt. Showers.   Waves 1 ft or less.

      High: 67 °F

      E 16kt
      < 1ft

    • Saturday Night

      Saturday Night:E wind 5 to 10 kt becoming W after midnight. Showers likely, mainly before 8pm.   Waves 1 ft or less.

      Low: 54 °F

      E 10kt
      < 1ft

    • Sunday

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

      High: 74 °F

      Light Wind
      < 1ft

    • Sunday Night

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

      Low: 58 °F

      Light Wind
      < 1ft

    • Memorial Day

      Memorial Day:Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Partly sunny. Waves 1 ft or less.

      High: 79 °F

      ⇑SE 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: 3:49 pm EDT May 21, 2026
Forecast Valid: 3pm EDT May 21, 2026-6pm EDT May 27, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
ENE wind around 11 kt. Sunny. Waves 1 ft or less.
Tonight
NE wind 9 to 12 kt, with gusts as high as 18 kt. Partly cloudy. Waves 1 ft or less.
Friday
E wind around 15 kt, with gusts as high as 23 kt. Increasing clouds. Waves 1 ft or less.
Friday Night
E wind around 15 kt, with gusts as high as 24 kt. Showers, mainly after 2am. Waves 1 ft or less.
Saturday
E wind 13 to 16 kt, with gusts as high as 23 kt. Showers. Waves 1 ft or less.
Saturday Night
E wind 5 to 10 kt becoming W after midnight. Showers likely, mainly before 8pm. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. A chance of showers. Waves 1 ft or less.
Memorial Day
Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. 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: 3:49 pm EDT May 21, 2026
Forecast Valid: 3pm EDT May 21, 2026-6pm EDT May 27, 2026
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