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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:E wind 9 to 12 kt. Partly sunny. Waves 1 ft or less.

      High: 78 °F

      E 12kt
      < 1ft

    • Tonight

      Tonight:E wind 5 to 10 kt becoming SSE after midnight. A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers after 2am.   Waves 1 ft or less.

      Low: 67 °F

      E 10kt
      < 1ft

    • Tuesday

      Tuesday:S wind 9 to 12 kt. Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm.   Waves 1 ft or less.

      High: 82 °F

      S 12kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind around 8 kt. Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am.   Waves 1 ft or less.

      Low: 67 °F

      SW 8kt
      < 1ft

    • Wednesday

      Wednesday:WSW wind 8 to 11 kt. A chance of showers between 8am and 2pm.   Waves 1 ft or less.

      High: 88 °F

      WSW 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SW wind 8 to 11 kt. A chance of showers and thunderstorms after 2am.   Waves 1 ft or less.

      Low: 71 °F

      SW 11kt
      < 1ft

    • Thursday

      Thursday:WSW wind 11 to 14 kt. A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 88 °F

      WSW 14kt
      < 1ft

    • Thursday Night

      Thursday Night:SW wind around 11 kt. A chance of showers and thunderstorms.   Waves 1 ft or less.

      Low: 68 °F

      SW 11kt
      < 1ft

    • Friday

      Friday:W wind 11 to 13 kt. Mostly sunny. Waves 1 ft or less.

      High: 82 °F

      W 13kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:25 am EDT Jun 8, 2026
Forecast Valid: 10am EDT Jun 8, 2026-6pm EDT Jun 14, 2026

View Nearby Observations

Detailed Forecast

Today
E wind 9 to 12 kt. Partly sunny. Waves 1 ft or less.
Tonight
E wind 5 to 10 kt becoming SSE after midnight. A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers after 2am. Waves 1 ft or less.
Tuesday
S wind 9 to 12 kt. Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Waves 1 ft or less.
Tuesday Night
SW wind around 8 kt. Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am. Waves 1 ft or less.
Wednesday
WSW wind 8 to 11 kt. A chance of showers between 8am and 2pm. Waves 1 ft or less.
Wednesday Night
SW wind 8 to 11 kt. A chance of showers and thunderstorms after 2am. Waves 1 ft or less.
Thursday
WSW wind 11 to 14 kt. A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Thursday Night
SW wind around 11 kt. A chance of showers and thunderstorms. Waves 1 ft or less.
Friday
W wind 11 to 13 kt. 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 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 8, 2026
Forecast Valid: 10am EDT Jun 8, 2026-6pm EDT Jun 14, 2026
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