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Detroit/Pontiac, MI Local Forecast Office

5NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:ENE wind around 9 kt. Partly cloudy. Waves 1 ft or less.

      Low: 63 °F

      ENE 9kt
      < 1ft

    • Monday

      Monday:E wind around 7 kt. Mostly sunny. Waves 1 ft or less.

      High: 72 °F

      E 7kt
      < 1ft

    • Monday Night

      Monday Night:ESE wind 5 to 8 kt. Mostly cloudy. Waves 1 ft or less.

      Low: 66 °F

      ESE 8kt
      < 1ft

    • Tuesday

      Tuesday:S wind 5 to 8 kt. A chance of showers, with thunderstorms also possible after 2pm.   Waves 1 ft or less.

      High: 80 °F

      S 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind around 8 kt. A chance of thunderstorms before 8pm.   Waves 1 ft or less.

      Low: 70 °F

      SSW 8kt
      < 1ft

    • Wednesday

      Wednesday:SW wind 9 to 11 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 81 °F

      SW 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:WSW wind around 11 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers.   Waves 1 ft or less.

      Low: 69 °F

      WSW 11kt
      < 1ft

    • Juneteenth

      Juneteenth:W wind around 11 kt. A chance of showers, with thunderstorms also possible after 2pm.   Waves 1 ft or less.

      High: 75 °F

      W 11kt
      < 1ft

    • Thursday Night

      Thursday Night:W wind 7 to 9 kt. A chance of thunderstorms before 8pm.   Waves 1 ft or less.

      Low: 63 °F

      W 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: 4:24 pm EDT Jun 15, 2025
Forecast Valid: 8pm EDT Jun 15, 2025-6pm EDT Jun 22, 2025

View Nearby Observations

Detailed Forecast

Tonight
ENE wind around 9 kt. Partly cloudy. Waves 1 ft or less.
Monday
E wind around 7 kt. Mostly sunny. Waves 1 ft or less.
Monday Night
ESE wind 5 to 8 kt. Mostly cloudy. Waves 1 ft or less.
Tuesday
S wind 5 to 8 kt. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 ft or less.
Tuesday Night
SSW wind around 8 kt. A chance of thunderstorms before 8pm. Waves 1 ft or less.
Wednesday
SW wind 9 to 11 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Wednesday Night
WSW wind around 11 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Waves 1 ft or less.
Juneteenth
W wind around 11 kt. A chance of showers, with thunderstorms also possible after 2pm. Waves 1 ft or less.
Thursday Night
W wind 7 to 9 kt. A chance of thunderstorms before 8pm. Waves 1 ft or less.

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

The water temperature at Belle Isle is 66 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: 41.83°N 83.39°W
Last Update: 4:24 pm EDT Jun 15, 2025
Forecast Valid: 8pm EDT Jun 15, 2025-6pm EDT Jun 22, 2025
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