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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:S wind around 6 kt. Cloudy. Waves 1 ft or less.

      High: 48 °F

      S 6kt
      < 1ft

    • Tonight

      Tonight:S wind around 6 kt becoming WSW after midnight. Cloudy. Waves 1 ft or less.

      Low: 42 °F

      SSW 6kt
      < 1ft

    • Friday

      Friday:WSW wind 5 to 7 kt becoming WNW in the afternoon. Mostly cloudy. Waves 1 ft or less.

      High: 53 °F

      W 7kt
      < 1ft

    • Friday Night

      Friday Night:N wind around 6 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 33 °F

      N 6kt
      < 1ft

    • Saturday

      Saturday:N wind around 6 kt becoming WNW in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 46 °F

      N 6kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds less than 5 kt becoming SW 5 to 7 kt after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 34 °F

      ⇑SW 7kt
      < 1ft

    • Sunday

      Sunday:WSW wind 8 to 10 kt. Mostly sunny. Waves 1 ft or less.

      High: 54 °F

      WSW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:W wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 35 °F

      W 7kt⇓
      < 1ft

    • Monday

      Monday:Variable winds less than 5 kt becoming S 5 to 7 kt in the morning. Mostly sunny. Waves 1 ft or less.

      High: 51 °F

      ⇑S 7kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:49 pm EST Nov 20, 2025
Forecast Valid: 1pm EST Nov 20, 2025-6pm EST Nov 26, 2025

View Nearby Observations

Detailed Forecast

This Afternoon
S wind around 6 kt. Cloudy. Waves 1 ft or less.
Tonight
S wind around 6 kt becoming WSW after midnight. Cloudy. Waves 1 ft or less.
Friday
WSW wind 5 to 7 kt becoming WNW in the afternoon. Mostly cloudy. Waves 1 ft or less.
Friday Night
N wind around 6 kt. Mostly cloudy. Waves 1 ft or less.
Saturday
N wind around 6 kt becoming WNW in the afternoon. Mostly sunny. Waves 1 ft or less.
Saturday Night
Variable winds less than 5 kt becoming SW 5 to 7 kt after midnight. Partly cloudy. Waves 1 ft or less.
Sunday
WSW wind 8 to 10 kt. Mostly sunny. Waves 1 ft or less.
Sunday Night
W wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Monday
Variable winds less than 5 kt becoming S 5 to 7 kt in the morning. Mostly 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: 1:49 pm EST Nov 20, 2025
Forecast Valid: 1pm EST Nov 20, 2025-6pm EST Nov 26, 2025
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