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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:W wind 11 to 16 km/h. Increasing clouds. Waves 1 m or less.

      High: 22 °C

      W 16km/h
      < 1m

    • Tonight

      Tonight:W wind 11 to 16 km/h. Partly cloudy. Waves 1 m or less.

      Low: 14 °C

      W 16km/h
      < 1m

    • Tuesday

      Tuesday:SW wind 21 to 26 km/h, with gusts as high as 37 km/h. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.   Waves 1 m or less.

      High: 24 °C

      SW 26km/h
      < 1m

    • Tuesday Night

      Tuesday Night:SW wind 18 to 26 km/h, with gusts as high as 45 km/h. Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am.   Waves 1 m or less.

      Low: 14 °C

      SW 26km/h
      < 1m

    • Wednesday

      Wednesday:SW wind 18 to 21 km/h. A chance of showers after 2pm.   Waves 1 m or less.

      High: 23 °C

      SW 21km/h
      < 1m

    • Wednesday Night

      Wednesday Night:S wind 18 to 28 km/h increasing to 30 to 40 km/h. Winds could gust as high as 60 km/h. A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am.   Waves 1 m or less.

      Low: 18 °C

      ⇑S 40km/h
      < 1m

    • Thursday

      Thursday:W wind 39 to 42 km/h, with gusts as high as 55 km/h. A chance of showers before 2pm.   Waves 1 m or less.

      High: 23 °C

      W 42km/h
      < 1m

    • Thursday Night

      Thursday Night:W wind 27 to 32 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 40 km/h. Partly cloudy. Waves 1 m or less.

      Low: 14 °C

      W 32km/h⇓
      < 1m

    • Juneteenth

      Juneteenth:W wind 16 to 21 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 37 km/h. Sunny. Waves 1 m or less.

      High: 22 °C

      ⇑W 29km/h
      < 1m


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:25 am EDT Jun 15, 2026
Forecast Valid: 7am EDT Jun 15, 2026-6pm EDT Jun 21, 2026

View Nearby Observations

Detailed Forecast

Today
W wind 11 to 16 km/h. Increasing clouds. Waves 1 m or less.
Tonight
W wind 11 to 16 km/h. Partly cloudy. Waves 1 m or less.
Tuesday
SW wind 21 to 26 km/h, with gusts as high as 37 km/h. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Waves 1 m or less.
Tuesday Night
SW wind 18 to 26 km/h, with gusts as high as 45 km/h. Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am. Waves 1 m or less.
Wednesday
SW wind 18 to 21 km/h. A chance of showers after 2pm. Waves 1 m or less.
Wednesday Night
S wind 18 to 28 km/h increasing to 30 to 40 km/h. Winds could gust as high as 60 km/h. A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Waves 1 m or less.
Thursday
W wind 39 to 42 km/h, with gusts as high as 55 km/h. A chance of showers before 2pm. Waves 1 m or less.
Thursday Night
W wind 27 to 32 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 40 km/h. Partly cloudy. Waves 1 m or less.
Juneteenth
W wind 16 to 21 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 37 km/h. Sunny. Waves 1 m or less.

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

The water temperature at Belle Isle is 68 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: 4:25 am EDT Jun 15, 2026
Forecast Valid: 7am EDT Jun 15, 2026-6pm EDT Jun 21, 2026
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