Hazardous Weather Conditions

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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:WSW wind around 16 kt, with gusts as high as 22 kt. A chance of showers and thunderstorms before noon.   Waves 1 ft or less.

      High: 76 °F

      WSW 16kt
      < 1ft

    • Tonight

      Tonight:SW wind 9 to 12 kt, with gusts as high as 18 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.   Waves 1 ft or less.

      Low: 62 °F

      SW 12kt
      < 1ft

    • Wednesday

      Wednesday:SW wind around 12 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8am.   Waves 1 ft or less.

      High: 71 °F

      SW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SW wind around 9 kt. Showers and possibly a thunderstorm.   Waves 1 ft or less.

      Low: 59 °F

      SW 9kt
      < 1ft

    • Thursday

      Thursday:WSW wind 9 to 12 kt. Showers likely, mainly after 2pm.   Waves 1 ft or less.

      High: 68 °F

      WSW 12kt
      < 1ft

    • Thursday Night

      Thursday Night:WSW wind 7 to 9 kt. Showers likely, mainly before 8pm.   Waves 1 ft or less.

      Low: 54 °F

      WSW 9kt
      < 1ft

    • Friday

      Friday:NNW wind around 8 kt becoming E in the afternoon. Partly sunny. Waves 1 ft or less.

      High: 64 °F

      N 8kt
      < 1ft

    • Friday Night

      Friday Night:ESE wind around 8 kt. Partly cloudy. Waves 1 ft or less.

      Low: 54 °F

      ESE 8kt
      < 1ft

    • Saturday

      Saturday:S wind 11 to 17 kt, with gusts as high as 23 kt. A chance of thunderstorms, then showers likely and possibly a thunderstorm after 8am.   Waves 1 ft or less.

      High: 70 °F

      S 17kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:50 am EDT Apr 14, 2026
Forecast Valid: 11am EDT Apr 14, 2026-6pm EDT Apr 20, 2026

View Nearby Observations

Detailed Forecast

Today
WSW wind around 16 kt, with gusts as high as 22 kt. A chance of showers and thunderstorms before noon. Waves 1 ft or less.
Tonight
SW wind 9 to 12 kt, with gusts as high as 18 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Waves 1 ft or less.
Wednesday
SW wind around 12 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8am. Waves 1 ft or less.
Wednesday Night
SW wind around 9 kt. Showers and possibly a thunderstorm. Waves 1 ft or less.
Thursday
WSW wind 9 to 12 kt. Showers likely, mainly after 2pm. Waves 1 ft or less.
Thursday Night
WSW wind 7 to 9 kt. Showers likely, mainly before 8pm. Waves 1 ft or less.
Friday
NNW wind around 8 kt becoming E in the afternoon. Partly sunny. Waves 1 ft or less.
Friday Night
ESE wind around 8 kt. Partly cloudy. Waves 1 ft or less.
Saturday
S wind 11 to 17 kt, with gusts as high as 23 kt. A chance of thunderstorms, then showers likely and possibly a thunderstorm after 8am. Waves 1 ft or less.

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

The water temperature at Belle Isle is 47 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: 9:50 am EDT Apr 14, 2026
Forecast Valid: 11am EDT Apr 14, 2026-6pm EDT Apr 20, 2026
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