Hazardous Weather Conditions

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Detroit/Pontiac, MI Local Forecast Office

18NM ENE Port Sanilac MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSW wind 12 to 15 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.   Waves around 2 ft.

      High: 50 °F

      SSW 15kt
      2ft

    • Tonight

      Tonight:SSW wind around 12 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am.   Waves around 1 ft.

      Low: 47 °F

      SSW 12kt
      1ft

    • Thursday

      Thursday:S wind around 12 kt. Showers likely, then showers and possibly a thunderstorm after 2pm.   Waves around 2 ft.

      High: 45 °F

      S 12kt
      2ft

    • Thursday Night

      Thursday Night:W wind around 10 kt becoming NNW after midnight. Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.   Waves around 1 ft.

      Low: 39 °F

      W 10kt
      1ft

    • Friday

      Friday:NNW wind 6 to 9 kt. Partly sunny. Waves around 1 ft.

      High: 46 °F

      NNW 9kt
      1ft

    • Friday Night

      Friday Night:SSE wind 8 to 16 kt. A chance of showers after 2am.   Waves 1 to 2 ft.

      Low: 42 °F

      SSE 16kt
      1-2ft

    • Saturday

      Saturday:S wind 20 to 22 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.   Waves 4 to 5 ft.

      High: 52 °F

      S 22kt
      4-5ft

    • Saturday Night

      Saturday Night:W wind 19 to 22 kt. Showers likely, mainly before 8pm.   Waves around 5 ft.

      Low: 36 °F

      W 22kt
      5ft

    • Sunday

      Sunday:W wind 22 to 24 kt. A chance of rain showers before 11am, then a chance of snow showers between 11am and 2pm.   Waves around 6 ft.

      High: 39 °F

      W 24kt
      6ft


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 Apr 15, 2026
Forecast Valid: 6am EDT Apr 15, 2026-6pm EDT Apr 21, 2026

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Detailed Forecast

Today
SSW wind 12 to 15 kt. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Waves around 2 ft.
Tonight
SSW wind around 12 kt. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Waves around 1 ft.
Thursday
S wind around 12 kt. Showers likely, then showers and possibly a thunderstorm after 2pm. Waves around 2 ft.
Thursday Night
W wind around 10 kt becoming NNW after midnight. Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Waves around 1 ft.
Friday
NNW wind 6 to 9 kt. Partly sunny. Waves around 1 ft.
Friday Night
SSE wind 8 to 16 kt. A chance of showers after 2am. Waves 1 to 2 ft.
Saturday
S wind 20 to 22 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Waves 4 to 5 ft.
Saturday Night
W wind 19 to 22 kt. Showers likely, mainly before 8pm. Waves around 5 ft.
Sunday
W wind 22 to 24 kt. A chance of rain showers before 11am, then a chance of snow showers between 11am and 2pm. Waves around 6 ft.



*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: 43.53°N 82.15°W
Last Update: 4:25 am EDT Apr 15, 2026
Forecast Valid: 6am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
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