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Detroit/Pontiac, MI Local Forecast Office

4NM S Monroe MI

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:WSW wind around 10 kt. Showers likely, with thunderstorms also possible after 5pm.   Waves 1 ft or less.

      High: 74 °F

      WSW 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSE wind 17 to 23 kt becoming WSW after midnight. Winds could gust as high as 33 kt. Showers and thunderstorms, mainly before 3am, then a slight chance of thunderstorms after 5am. Some of the storms could produce heavy rainfall.   Waves 1 ft or less.

      Low: 65 °F

      S 23kt
      < 1ft

    • Thursday

      Thursday:WSW wind 18 to 20 kt, with gusts as high as 28 kt. Partly sunny. Waves 1 ft or less.

      High: 70 °F

      WSW 20kt
      < 1ft

    • Thursday Night

      Thursday Night:W wind 8 to 13 kt, with gusts as high as 19 kt. Partly cloudy. Waves 1 ft or less.

      Low: 58 °F

      W 13kt
      < 1ft

    • Juneteenth

      Juneteenth:WNW wind 10 to 15 kt. Sunny. Waves 1 ft or less.

      High: 72 °F

      WNW 15kt
      < 1ft

    • Friday Night

      Friday Night:WNW wind 7 to 13 kt. Mostly clear. Waves 1 ft or less.

      Low: 56 °F

      WNW 13kt
      < 1ft

    • Saturday

      Saturday:W wind 7 to 12 kt, with gusts as high as 18 kt. Sunny. Waves 1 ft or less.

      High: 74 °F

      W 12kt
      < 1ft

    • Saturday Night

      Saturday Night:WNW wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.

      Low: 59 °F

      WNW 9kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming ESE 5 to 7 kt in the morning. A chance of showers.   Waves 1 ft or less.

      High: 72 °F

      ⇑ESE 7kt
      < 1ft


High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 3:24 am EDT Jun 17, 2026
Forecast Valid: 3am EDT Jun 17, 2026-6pm EDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

Wednesday
WSW wind around 10 kt. Showers likely, with thunderstorms also possible after 5pm. Waves 1 ft or less.
Wednesday Night
SSE wind 17 to 23 kt becoming WSW after midnight. Winds could gust as high as 33 kt. Showers and thunderstorms, mainly before 3am, then a slight chance of thunderstorms after 5am. Some of the storms could produce heavy rainfall. Waves 1 ft or less.
Thursday
WSW wind 18 to 20 kt, with gusts as high as 28 kt. Partly sunny. Waves 1 ft or less.
Thursday Night
W wind 8 to 13 kt, with gusts as high as 19 kt. Partly cloudy. Waves 1 ft or less.
Juneteenth
WNW wind 10 to 15 kt. Sunny. Waves 1 ft or less.
Friday Night
WNW wind 7 to 13 kt. Mostly clear. Waves 1 ft or less.
Saturday
W wind 7 to 12 kt, with gusts as high as 18 kt. Sunny. Waves 1 ft or less.
Saturday Night
WNW wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Mostly clear. Waves 1 ft or less.
Sunday
Variable winds less than 5 kt becoming ESE 5 to 7 kt in the morning. A chance of showers. Waves 1 ft or less.

*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: 3:24 am EDT Jun 17, 2026
Forecast Valid: 3am EDT Jun 17, 2026-6pm EDT Jun 23, 2026
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