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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:SSW wind around 10 kt. Mostly cloudy. Waves 1 ft or less.

      High: 81 °F

      SSW 10kt
      < 1ft

    • Tonight

      Tonight:SSW wind 5 to 8 kt becoming W after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 67 °F

      SSW 8kt
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming WNW 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 81 °F

      ⇑WNW 10kt
      < 1ft

    • Sunday Night

      Sunday Night:NW wind 8 to 12 kt, with gusts as high as 18 kt. Cloudy during the early evening, then gradual clearing. Waves 1 ft or less.

      Low: 55 °F

      NW 12kt
      < 1ft

    • Monday

      Monday:N wind around 6 kt becoming ENE in the afternoon. Sunny. Waves 1 ft or less.

      High: 71 °F

      N 6kt
      < 1ft

    • Monday Night

      Monday Night:SE wind 7 to 11 kt. Partly cloudy. Waves 1 ft or less.

      Low: 60 °F

      SE 11kt
      < 1ft

    • Tuesday

      Tuesday:SSW wind 12 to 14 kt, with gusts as high as 21 kt. Partly sunny. Waves 1 ft or less.

      High: 81 °F

      SSW 14kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind 6 to 9 kt becoming W after midnight. Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Waves 1 ft or less.

      Low: 67 °F

      SSW 9kt
      < 1ft

    • Wednesday

      Wednesday:ENE wind around 6 kt. Showers likely. Waves 1 ft or less.

      High: 79 °F

      ENE 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: 12:49 pm EDT Sep 12, 2026
Forecast Valid: 1pm EDT Sep 12, 2026-6pm EDT Sep 18, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
SSW wind around 10 kt. Mostly cloudy. Waves 1 ft or less.
Tonight
SSW wind 5 to 8 kt becoming W after midnight. Partly cloudy. Waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming WNW 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Sunday Night
NW wind 8 to 12 kt, with gusts as high as 18 kt. Cloudy during the early evening, then gradual clearing. Waves 1 ft or less.
Monday
N wind around 6 kt becoming ENE in the afternoon. Sunny. Waves 1 ft or less.
Monday Night
SE wind 7 to 11 kt. Partly cloudy. Waves 1 ft or less.
Tuesday
SSW wind 12 to 14 kt, with gusts as high as 21 kt. Partly sunny. Waves 1 ft or less.
Tuesday Night
SSW wind 6 to 9 kt becoming W after midnight. Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Waves 1 ft or less.
Wednesday
ENE wind around 6 kt. Showers 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: 12:49 pm EDT Sep 12, 2026
Forecast Valid: 1pm EDT Sep 12, 2026-6pm EDT Sep 18, 2026
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