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Detroit/Pontiac, MI Local Forecast Office

3NM N Grosse Ile MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WSW wind 6 to 12 kt. A slight chance of showers between midnight and 2am, then a slight chance of showers and thunderstorms after 2am.   Waves 1 ft or less.

      Low: 77 °F

      WSW 12kt
      < 1ft

    • Friday

      Friday:WSW wind 6 to 11 kt. A chance of showers and thunderstorms, mainly after 3pm.   Waves 1 ft or less.

      High: 94 °F

      WSW 11kt
      < 1ft

    • Friday Night

      Friday Night:W wind 6 to 9 kt. Showers and thunderstorms likely.   Waves 1 ft or less.

      Low: 74 °F

      W 9kt
      < 1ft

    • Independence Day

      Independence Day:W wind around 6 kt becoming SSW in the afternoon. Showers likely and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 86 °F

      WNW 6kt
      < 1ft

    • Saturday Night

      Saturday Night:ENE wind around 6 kt. Showers likely and possibly a thunderstorm.   Waves 1 ft or less.

      Low: 68 °F

      ENE 6kt
      < 1ft

    • Sunday

      Sunday:ESE wind 5 to 7 kt. Showers likely before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 85 °F

      ESE 7kt
      < 1ft

    • Sunday Night

      Sunday Night:E wind 5 to 8 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am.   Waves 1 ft or less.

      Low: 67 °F

      E 8kt
      < 1ft

    • Monday

      Monday:NNE wind 7 to 9 kt becoming ENE in the morning. A chance of showers before 8am.   Waves 1 ft or less.

      High: 84 °F

      ENE 9kt
      < 1ft

    • Monday Night

      Monday Night:N wind 5 to 9 kt. Partly cloudy. Waves 1 ft or less.

      Low: 67 °F

      N 9kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 8:14 pm EDT Jul 2, 2026
Forecast Valid: 8pm EDT Jul 2, 2026-6pm EDT Jul 9, 2026

View Nearby Observations

Detailed Forecast

Tonight
WSW wind 6 to 12 kt. A slight chance of showers between midnight and 2am, then a slight chance of showers and thunderstorms after 2am. Waves 1 ft or less.
Friday
WSW wind 6 to 11 kt. A chance of showers and thunderstorms, mainly after 3pm. Waves 1 ft or less.
Friday Night
W wind 6 to 9 kt. Showers and thunderstorms likely. Waves 1 ft or less.
Independence Day
W wind around 6 kt becoming SSW in the afternoon. Showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Saturday Night
ENE wind around 6 kt. Showers likely and possibly a thunderstorm. Waves 1 ft or less.
Sunday
ESE wind 5 to 7 kt. Showers likely before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Sunday Night
E wind 5 to 8 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Waves 1 ft or less.
Monday
NNE wind 7 to 9 kt becoming ENE in the morning. A chance of showers before 8am. Waves 1 ft or less.
Monday Night
N wind 5 to 9 kt. Partly cloudy. 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: 8:14 pm EDT Jul 2, 2026
Forecast Valid: 8pm EDT Jul 2, 2026-6pm EDT Jul 9, 2026
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