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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:NNW wind 21 to 23 km/h, with gusts as high as 37 km/h. Rain and snow.   Waves 1 m or less.

      High: 3 °C

      NNW 23km/h
      < 1m

    • Sunday Night

      Sunday Night:N wind 16 to 21 km/h, with gusts as high as 35 km/h. Snow likely, possibly mixed with rain before 7pm, then snow.   Waves 1 m or less.

      Low: -1 °C

      N 21km/h
      < 1m

    • Monday

      Monday:N wind 23 to 26 km/h, with gusts as high as 35 km/h. A chance of snow before 1pm.   Waves 1 m or less.

      High: 1 °C

      N 26km/h
      < 1m

    • Monday Night

      Monday Night:W wind 18 to 23 km/h, with gusts as high as 34 km/h. A chance of snow before 1am.   Waves 1 m or less.

      Low: -3 °C

      W 23km/h
      < 1m

    • Veterans Day

      Veterans Day:WSW wind 23 to 29 km/h, with gusts as high as 45 km/h. Partly sunny. Waves 1 m or less.

      High: 3 °C

      WSW 29km/h
      < 1m

    • Tuesday Night

      Tuesday Night:SSW wind 27 to 32 km/h, with gusts as high as 50 km/h. Mostly cloudy. Waves 1 m or less.

      Low: 1 °C

      SSW 32km/h
      < 1m

    • Wednesday

      Wednesday:W wind 27 to 32 km/h, with gusts as high as 45 km/h. Partly sunny. Waves 1 m or less.

      High: 7 °C

      W 32km/h
      < 1m

    • Wednesday Night

      Wednesday Night:W wind 18 to 26 km/h, with gusts as high as 40 km/h. Mostly cloudy. Waves 1 m or less.

      Low: 2 °C

      W 26km/h
      < 1m

    • Thursday

      Thursday:W wind 18 to 24 km/h, with gusts as high as 35 km/h. Mostly sunny. Waves 1 m or less.

      High: 7 °C

      W 24km/h
      < 1m


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:13 am EST Nov 9, 2025
Forecast Valid: 2am EST Nov 9, 2025-6pm EST Nov 15, 2025

View Nearby Observations

Detailed Forecast

Sunday
NNW wind 21 to 23 km/h, with gusts as high as 37 km/h. Rain and snow. Waves 1 m or less.
Sunday Night
N wind 16 to 21 km/h, with gusts as high as 35 km/h. Snow likely, possibly mixed with rain before 7pm, then snow. Waves 1 m or less.
Monday
N wind 23 to 26 km/h, with gusts as high as 35 km/h. A chance of snow before 1pm. Waves 1 m or less.
Monday Night
W wind 18 to 23 km/h, with gusts as high as 34 km/h. A chance of snow before 1am. Waves 1 m or less.
Veterans Day
WSW wind 23 to 29 km/h, with gusts as high as 45 km/h. Partly sunny. Waves 1 m or less.
Tuesday Night
SSW wind 27 to 32 km/h, with gusts as high as 50 km/h. Mostly cloudy. Waves 1 m or less.
Wednesday
W wind 27 to 32 km/h, with gusts as high as 45 km/h. Partly sunny. Waves 1 m or less.
Wednesday Night
W wind 18 to 26 km/h, with gusts as high as 40 km/h. Mostly cloudy. Waves 1 m or less.
Thursday
W wind 18 to 24 km/h, with gusts as high as 35 km/h. Mostly sunny. Waves 1 m or less.

See Lake Erie Open Lake Forecast for days 3 through 5.

The water temperature at Belle Isle is 48 degrees.


*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: 41.85°N 83.39°W
Last Update: 2:13 am EST Nov 9, 2025
Forecast Valid: 2am EST Nov 9, 2025-6pm EST Nov 15, 2025
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