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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:N wind around 7 kt. Sunny. Waves 1 ft or less.

      High: 74 °F

      N 7kt
      < 1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.

      Low: 59 °F

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Sunny. Waves 1 ft or less.

      High: 74 °F

      ⇑SE 6kt
      < 1ft

    • Wednesday Night

      Wednesday Night:Variable winds less than 5 kt becoming S around 6 kt after midnight. Showers likely, mainly after 2am.   Waves 1 ft or less.

      Low: 63 °F

      ⇑S 6kt
      < 1ft

    • Thursday

      Thursday:WSW wind 8 to 10 kt. Showers likely before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm.   Waves 1 ft or less.

      High: 76 °F

      WSW 10kt
      < 1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. A chance of showers before 8pm, then a chance of showers after 2am.   Waves 1 ft or less.

      Low: 62 °F

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming E around 6 kt in the morning. A chance of showers before 2pm.   Waves 1 ft or less.

      High: 74 °F

      ⇑E 6kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind around 6 kt. A chance of showers.   Waves 1 ft or less.

      Low: 64 °F

      ENE 6kt
      < 1ft

    • Saturday

      Saturday:NNE wind 6 to 8 kt becoming E in the afternoon. A chance of showers.   Waves 1 ft or less.

      High: 76 °F

      NE 8kt
      < 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 am EDT Jun 23, 2026
Forecast Valid: 11am EDT Jun 23, 2026-6pm EDT Jun 29, 2026

View Nearby Observations

Detailed Forecast

Today
N wind around 7 kt. Sunny. Waves 1 ft or less.
Tonight
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Sunny. Waves 1 ft or less.
Wednesday Night
Variable winds less than 5 kt becoming S around 6 kt after midnight. Showers likely, mainly after 2am. Waves 1 ft or less.
Thursday
WSW wind 8 to 10 kt. Showers likely before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Waves 1 ft or less.
Thursday Night
Variable winds 5 kt or less. A chance of showers before 8pm, then a chance of showers after 2am. Waves 1 ft or less.
Friday
Variable winds less than 5 kt becoming E around 6 kt in the morning. A chance of showers before 2pm. Waves 1 ft or less.
Friday Night
ENE wind around 6 kt. A chance of showers. Waves 1 ft or less.
Saturday
NNE wind 6 to 8 kt becoming E in the afternoon. 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 64 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 am EDT Jun 23, 2026
Forecast Valid: 11am EDT Jun 23, 2026-6pm EDT Jun 29, 2026
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