Hazardous Weather Conditions

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Detroit/Pontiac, MI Local Forecast Office

18NM ENE Port Sanilac MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:N wind 22 to 25 kt. Mostly cloudy. Waves 4 ft building to 7 ft.

      Low: 23 °F

      N 25kt
      Waves Building7ft

    • Friday

      Friday:NNE wind 18 to 20 kt. Mostly sunny. Waves 4 to 6 ft. occasionally to 8ft.

      High: 26 °F

      NNE 20kt
      4-6ft

    • Friday Night

      Friday Night:N wind 10 to 14 kt becoming NW after midnight. Partly cloudy. Waves 1 to 3 ft.

      Low: 24 °F

      N 14kt
      1-3ft

    • Saturday

      Saturday:WNW wind 11 to 15 kt. Mostly sunny. Waves around 2 ft.

      High: 35 °F

      WNW 15kt
      2ft

    • Saturday Night

      Saturday Night:SSW wind 13 to 16 kt. Mostly cloudy. Waves 2 to 3 ft.

      Low: 34 °F

      SSW 16kt
      2-3ft

    • Sunday

      Sunday:SSW wind 13 to 17 kt. Partly sunny. Waves 2 to 3 ft.

      High: 42 °F

      SSW 17kt
      2-3ft

    • Sunday Night

      Sunday Night:SSW wind around 13 kt. Partly cloudy. Waves around 2 ft.

      Low: 38 °F

      SSW 13kt
      2ft

    • Monday

      Monday:SW wind around 13 kt becoming WNW in the afternoon. Partly sunny. Waves around 2 ft.

      High: 42 °F

      SW 13kt
      2ft

    • Monday Night

      Monday Night:NNE wind around 14 kt becoming ENE after midnight. A chance of rain.   Waves 2 to 3 ft.

      Low: 37 °F

      NNE 14kt
      2-3ft


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 pm EDT Mar 26, 2026
Forecast Valid: 10pm EDT Mar 26, 2026-6pm EDT Apr 2, 2026

View Nearby Observations

Detailed Forecast

Tonight
N wind 22 to 25 kt. Mostly cloudy. Waves 4 ft building to 7 ft.
Friday
NNE wind 18 to 20 kt. Mostly sunny. Waves 4 to 6 ft. occasionally to 8ft.
Friday Night
N wind 10 to 14 kt becoming NW after midnight. Partly cloudy. Waves 1 to 3 ft.
Saturday
WNW wind 11 to 15 kt. Mostly sunny. Waves around 2 ft.
Saturday Night
SSW wind 13 to 16 kt. Mostly cloudy. Waves 2 to 3 ft.
Sunday
SSW wind 13 to 17 kt. Partly sunny. Waves 2 to 3 ft.
Sunday Night
SSW wind around 13 kt. Partly cloudy. Waves around 2 ft.
Monday
SW wind around 13 kt becoming WNW in the afternoon. Partly sunny. Waves around 2 ft.
Monday Night
NNE wind around 14 kt becoming ENE after midnight. A chance of rain. Waves 2 to 3 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: 4:24 pm EDT Mar 26, 2026
Forecast Valid: 10pm EDT Mar 26, 2026-6pm EDT Apr 2, 2026
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