Hazardous Weather Conditions

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Detroit/Pontiac, MI Local Forecast Office

5NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SW wind around 11 kt. A slight chance of showers and thunderstorms.   Waves 1 ft or less.

      High: 85 °F

      SW 11kt
      < 1ft

    • Tonight

      Tonight:SW wind around 11 kt. Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am.   Waves 1 ft or less.

      Low: 71 °F

      SW 11kt
      < 1ft

    • Tuesday

      Tuesday:N wind around 14 kt. Mostly sunny. Waves 1 ft or less.

      High: 78 °F

      N 14kt
      < 1ft

    • Tuesday Night

      Tuesday Night:N wind 10 to 13 kt. Mostly clear. Waves 1 ft or less.

      Low: 65 °F

      N 13kt
      < 1ft

    • Wednesday

      Wednesday:NNW wind around 14 kt. Sunny. Waves 1 ft or less.

      High: 78 °F

      NNW 14kt
      < 1ft

    • Wednesday Night

      Wednesday Night:N wind 7 to 11 kt. Clear. Waves 1 ft or less.

      Low: 64 °F

      N 11kt
      < 1ft

    • Thursday

      Thursday:N wind around 9 kt. Sunny. Waves 1 ft or less.

      High: 80 °F

      N 9kt
      < 1ft

    • Thursday Night

      Thursday Night:ENE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.

      Low: 66 °F

      ENE 7kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

      High: 81 °F

      ⇑SE 6kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:13 pm EDT Jul 27, 2026
Forecast Valid: 4pm EDT Jul 27, 2026-6pm EDT Aug 2, 2026

View Nearby Observations

Detailed Forecast

This Afternoon
SW wind around 11 kt. A slight chance of showers and thunderstorms. Waves 1 ft or less.
Tonight
SW wind around 11 kt. Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Waves 1 ft or less.
Tuesday
N wind around 14 kt. Mostly sunny. Waves 1 ft or less.
Tuesday Night
N wind 10 to 13 kt. Mostly clear. Waves 1 ft or less.
Wednesday
NNW wind around 14 kt. Sunny. Waves 1 ft or less.
Wednesday Night
N wind 7 to 11 kt. Clear. Waves 1 ft or less.
Thursday
N wind around 9 kt. Sunny. Waves 1 ft or less.
Thursday Night
ENE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

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

The water temperature at Belle Isle is 76 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: 3:13 pm EDT Jul 27, 2026
Forecast Valid: 4pm EDT Jul 27, 2026-6pm EDT Aug 2, 2026
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