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 7 to 11 kt. A slight chance of showers and thunderstorms after 2pm.   Waves 1 ft or less.

      High: 91 °F

      WSW 11kt
      < 1ft

    • Tonight

      Tonight:W wind 5 to 9 kt. A chance of showers and thunderstorms, mainly between 11pm and 1am.   Waves 1 ft or less.

      Low: 78 °F

      W 9kt
      < 1ft

    • Friday

      Friday:WSW wind 6 to 11 kt. A chance of showers and thunderstorms before 4pm, then a chance of showers between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.   Waves 1 ft or less.

      High: 91 °F

      WSW 11kt
      < 1ft

    • Friday Night

      Friday Night:WSW wind 5 to 8 kt. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 5am, then showers likely after 5am.   Waves 1 ft or less.

      Low: 74 °F

      WSW 8kt
      < 1ft

    • Independence Day

      Independence Day:W wind 6 to 8 kt. Showers and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 86 °F

      W 8kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Showers and possibly a thunderstorm.   Waves 1 ft or less.

      Low: 70 °F

      Light Wind
      < 1ft

    • Sunday

      Sunday:S wind 6 to 8 kt becoming WSW in the afternoon. A chance of showers, then showers likely and possibly a thunderstorm after 2pm.   Waves 1 ft or less.

      High: 83 °F

      SW 8kt
      < 1ft

    • Sunday Night

      Sunday Night:WNW wind 6 to 8 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.   Waves 1 ft or less.

      Low: 68 °F

      WNW 8kt
      < 1ft

    • Monday

      Monday:NW wind around 9 kt. Mostly sunny. Waves 1 ft or less.

      High: 81 °F

      NW 9kt
      < 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 Jul 2, 2026
Forecast Valid: 7am EDT Jul 2, 2026-6pm EDT Jul 8, 2026

View Nearby Observations

Detailed Forecast

Today
WSW wind 7 to 11 kt. A slight chance of showers and thunderstorms after 2pm. Waves 1 ft or less.
Tonight
W wind 5 to 9 kt. A chance of showers and thunderstorms, mainly between 11pm and 1am. Waves 1 ft or less.
Friday
WSW wind 6 to 11 kt. A chance of showers and thunderstorms before 4pm, then a chance of showers between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Waves 1 ft or less.
Friday Night
WSW wind 5 to 8 kt. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 5am, then showers likely after 5am. Waves 1 ft or less.
Independence Day
W wind 6 to 8 kt. Showers and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Showers and possibly a thunderstorm. Waves 1 ft or less.
Sunday
S wind 6 to 8 kt becoming WSW in the afternoon. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.
Sunday Night
WNW wind 6 to 8 kt. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Waves 1 ft or less.
Monday
NW wind around 9 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 78 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 Jul 2, 2026
Forecast Valid: 7am EDT Jul 2, 2026-6pm EDT Jul 8, 2026
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