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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

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

      High: 42 °F

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Patchy freezing fog after 10pm.  Waves 1 ft or less.

      Low: 28 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. Patchy freezing fog before 8am.  Waves 1 ft or less.

      High: 43 °F

      Light Wind
      < 1ft

    • Sunday Night

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

      Low: 28 °F

      Light Wind
      < 1ft

    • Washington's Birthday

      Washington's Birthday:Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Partly sunny. Waves 1 ft or less.

      High: 43 °F

      ⇑SSW 8kt
      < 1ft

    • Monday Night

      Monday Night:SW wind 5 to 7 kt. Partly cloudy. Waves 1 ft or less.

      Low: 34 °F

      SW 7kt
      < 1ft

    • Tuesday

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

      High: 45 °F

      ⇑E 6kt
      < 1ft

    • Tuesday Night

      Tuesday Night:ESE wind 7 to 9 kt. A chance of rain.   Waves 1 ft or less.

      Low: 38 °F

      ESE 9kt
      < 1ft

    • Wednesday

      Wednesday:SSE wind 11 to 13 kt becoming SW in the afternoon. Winds could gust as high as 20 kt. Rain likely.   Waves 1 ft or less.

      High: 56 °F

      SSW 13kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:35 pm EST Feb 14, 2026
Forecast Valid: 5pm EST Feb 14, 2026-6pm EST Feb 21, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Patchy freezing fog after 10pm. Waves 1 ft or less.
Sunday
Variable winds 5 kt or less. Patchy freezing fog before 8am. Waves 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Washington's Birthday
Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Partly sunny. Waves 1 ft or less.
Monday Night
SW wind 5 to 7 kt. Partly cloudy. Waves 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Mostly cloudy. Waves 1 ft or less.
Tuesday Night
ESE wind 7 to 9 kt. A chance of rain. Waves 1 ft or less.
Wednesday
SSE wind 11 to 13 kt becoming SW in the afternoon. Winds could gust as high as 20 kt. Rain likely. 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: 3:35 pm EST Feb 14, 2026
Forecast Valid: 5pm EST Feb 14, 2026-6pm EST Feb 21, 2026
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