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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming NW around 6 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.

      High: 79 °F

      ⇑NW 6kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly cloudy during the early evening, then gradual clearing. Waves 1 ft or less.

      Low: 59 °F

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.

      High: 78 °F

      ⇑SSE 7kt
      < 1ft

    • Friday Night

      Friday Night:SE wind around 7 kt. Partly cloudy. Waves 1 ft or less.

      Low: 65 °F

      SE 7kt
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming S 5 to 9 kt in the morning. Mostly sunny. Waves 1 ft or less.

      High: 82 °F

      ⇑S 9kt
      < 1ft

    • Saturday Night

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

      Low: 67 °F

      S 6kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming WNW around 6 kt in the morning. Mostly sunny. Waves 1 ft or less.

      High: 81 °F

      ⇑WNW 6kt
      < 1ft

    • Sunday Night

      Sunday Night:N wind around 7 kt becoming NE after midnight. Mostly cloudy. Waves 1 ft or less.

      Low: 64 °F

      NE 7kt
      < 1ft

    • Monday

      Monday:ENE wind 7 to 10 kt becoming SSE in the afternoon. Partly sunny. Waves 1 ft or less.

      High: 81 °F

      SSE 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: 4:24 am EDT Sep 10, 2026
Forecast Valid: 8am EDT Sep 10, 2026-6pm EDT Sep 16, 2026

View Nearby Observations

Detailed Forecast

Today
Variable winds less than 5 kt becoming NW around 6 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly cloudy during the early evening, then gradual clearing. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming SSE 5 to 7 kt in the afternoon. Sunny. Waves 1 ft or less.
Friday Night
SE wind around 7 kt. Partly cloudy. Waves 1 ft or less.
Saturday
Variable winds less than 5 kt becoming S 5 to 9 kt in the morning. Mostly sunny. Waves 1 ft or less.
Saturday Night
S wind around 6 kt becoming W after midnight. Partly cloudy. Waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming WNW around 6 kt in the morning. Mostly sunny. Waves 1 ft or less.
Sunday Night
N wind around 7 kt becoming NE after midnight. Mostly cloudy. Waves 1 ft or less.
Monday
ENE wind 7 to 10 kt becoming SSE 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: 4:24 am EDT Sep 10, 2026
Forecast Valid: 8am EDT Sep 10, 2026-6pm EDT Sep 16, 2026
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