Hazardous Weather Conditions

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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WSW wind 8 to 11 kt becoming S after midnight. A chance of showers and thunderstorms, mainly after 9pm.   Waves 1 ft or less.

      Low: 62 °F

      WSW 11kt
      < 1ft

    • Tuesday

      Tuesday:SW wind 13 to 16 kt, with gusts as high as 22 kt. A chance of showers and thunderstorms, mainly after 4pm.   Waves 1 ft or less.

      High: 75 °F

      SW 16kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind around 12 kt, with gusts as high as 18 kt. A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 5am, then showers after 5am.   Waves 1 ft or less.

      Low: 60 °F

      SW 12kt
      < 1ft

    • Wednesday

      Wednesday:WSW wind around 12 kt. Showers, with thunderstorms also possible after 5pm.   Waves 1 ft or less.

      High: 68 °F

      WSW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind around 8 kt. Showers and possibly a thunderstorm.   Waves 1 ft or less.

      Low: 59 °F

      SSW 8kt
      < 1ft

    • Thursday

      Thursday:SW wind 10 to 14 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 70 °F

      SW 14kt
      < 1ft

    • Thursday Night

      Thursday Night:SW wind 8 to 10 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.   Waves 1 ft or less.

      Low: 55 °F

      SW 10kt
      < 1ft

    • Friday

      Friday:WNW wind around 8 kt becoming ESE in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 69 °F

      E 8kt
      < 1ft

    • Friday Night

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

      Low: 54 °F

      ESE 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 Apr 13, 2026
Forecast Valid: 6pm EDT Apr 13, 2026-6pm EDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

Tonight
WSW wind 8 to 11 kt becoming S after midnight. A chance of showers and thunderstorms, mainly after 9pm. Waves 1 ft or less.
Tuesday
SW wind 13 to 16 kt, with gusts as high as 22 kt. A chance of showers and thunderstorms, mainly after 4pm. Waves 1 ft or less.
Tuesday Night
SW wind around 12 kt, with gusts as high as 18 kt. A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 5am, then showers after 5am. Waves 1 ft or less.
Wednesday
WSW wind around 12 kt. Showers, with thunderstorms also possible after 5pm. Waves 1 ft or less.
Wednesday Night
SSW wind around 8 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.
Thursday
SW wind 10 to 14 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Thursday Night
SW wind 8 to 10 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Waves 1 ft or less.
Friday
WNW wind around 8 kt becoming ESE in the afternoon. Mostly sunny. Waves 1 ft or less.
Friday Night
ESE wind 7 to 9 kt. A chance of showers. Waves 1 ft 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: 4:24 pm EDT Apr 13, 2026
Forecast Valid: 6pm EDT Apr 13, 2026-6pm EDT Apr 20, 2026
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