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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Patchy fog before 10am.  Waves 1 ft or less.

      High: 78 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:ESE wind around 6 kt. Partly cloudy. Waves 1 ft or less.

      Low: 64 °F

      ESE 6kt
      < 1ft

    • Saturday

      Saturday:SSE wind 5 to 8 kt becoming SSW in the afternoon. Partly sunny. Waves 1 ft or less.

      High: 82 °F

      S 8kt
      < 1ft

    • Saturday Night

      Saturday Night:SSW wind around 6 kt becoming W after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 67 °F

      SSW 6kt
      < 1ft

    • Sunday

      Sunday:NW wind 5 to 8 kt. Mostly sunny. Waves 1 ft or less.

      High: 81 °F

      NW 8kt
      < 1ft

    • Sunday Night

      Sunday Night:N wind around 9 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 60 °F

      N 9kt
      < 1ft

    • Monday

      Monday:NE wind around 8 kt becoming E in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 75 °F

      NE 8kt
      < 1ft

    • Monday Night

      Monday Night:ESE wind 9 to 14 kt becoming S after midnight. Winds could gust as high as 21 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 66 °F

      S 14kt
      < 1ft

    • Tuesday

      Tuesday:SW wind around 15 kt, with gusts as high as 24 kt. A chance of showers.   Waves 1 ft or less.

      High: 85 °F

      SW 15kt
      < 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 Sep 11, 2026
Forecast Valid: 9am EDT Sep 11, 2026-6pm EDT Sep 17, 2026

View Nearby Observations

Detailed Forecast

Today
Variable winds 5 kt or less. Patchy fog before 10am. Waves 1 ft or less.
Tonight
ESE wind around 6 kt. Partly cloudy. Waves 1 ft or less.
Saturday
SSE wind 5 to 8 kt becoming SSW in the afternoon. Partly sunny. Waves 1 ft or less.
Saturday Night
SSW wind around 6 kt becoming W after midnight. Partly cloudy. Waves 1 ft or less.
Sunday
NW wind 5 to 8 kt. Mostly sunny. Waves 1 ft or less.
Sunday Night
N wind around 9 kt. Mostly cloudy. Waves 1 ft or less.
Monday
NE wind around 8 kt becoming E in the afternoon. Mostly sunny. Waves 1 ft or less.
Monday Night
ESE wind 9 to 14 kt becoming S after midnight. Winds could gust as high as 21 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday
SW wind around 15 kt, with gusts as high as 24 kt. A chance of showers. 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 Sep 11, 2026
Forecast Valid: 9am EDT Sep 11, 2026-6pm EDT Sep 17, 2026
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