For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

18NM ENE Port Sanilac MI

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSE wind 9 to 14 kt. Mostly cloudy. Waves 1 ft or less.

      High: 42 °F

      SSE 14kt
      < 1ft

    • Tonight

      Tonight:S wind around 16 kt. Mostly cloudy. Waves around 2 ft.

      Low: 40 °F

      S 16kt
      2ft

    • Thursday

      Thursday:SW wind around 12 kt. Showers likely after 2pm.   Waves around 2 ft.

      High: 44 °FFalling Temperatures

      SW 12kt
      2ft

    • Thursday Night

      Thursday Night:N wind 18 to 26 kt. Showers likely before 8pm.   Waves 3 ft building to 9 ft.

      Low: 23 °F

      N 26kt
      Waves Building9ft

    • Friday

      Friday:N wind 18 to 22 kt. Partly sunny. Waves 8 ft subsiding to 5 ft.

      High: 27 °FFalling Temperatures

      N 22kt
      8ftWaves Subsiding

    • Friday Night

      Friday Night:N wind 11 to 13 kt becoming WNW after midnight. Partly cloudy. Waves 2 to 3 ft.

      Low: 24 °F

      WNW 13kt
      2-3ft

    • Saturday

      Saturday:W wind around 15 kt. Mostly sunny. Waves around 3 ft.

      High: 36 °FFalling Temperatures

      W 15kt
      3ft

    • Saturday Night

      Saturday Night:WNW wind around 15 kt. Partly cloudy. Waves around 2 ft.

      Low: 31 °F

      WNW 15kt
      2ft

    • Sunday

      Sunday:S wind 13 to 15 kt. Partly sunny. Waves 2 to 3 ft.

      High: 42 °FFalling Temperatures

      S 15kt
      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 am EDT Mar 25, 2026
Forecast Valid: 7am EDT Mar 25, 2026-6pm EDT Mar 31, 2026

View Nearby Observations

Detailed Forecast

Today
SSE wind 9 to 14 kt. Mostly cloudy. Waves 1 ft or less.
Tonight
S wind around 16 kt. Mostly cloudy. Waves around 2 ft.
Thursday
SW wind around 12 kt. Showers likely after 2pm. Waves around 2 ft.
Thursday Night
N wind 18 to 26 kt. Showers likely before 8pm. Waves 3 ft building to 9 ft.
Friday
N wind 18 to 22 kt. Partly sunny. Waves 8 ft subsiding to 5 ft.
Friday Night
N wind 11 to 13 kt becoming WNW after midnight. Partly cloudy. Waves 2 to 3 ft.
Saturday
W wind around 15 kt. Mostly sunny. Waves around 3 ft.
Saturday Night
WNW wind around 15 kt. Partly cloudy. Waves around 2 ft.
Sunday
S wind 13 to 15 kt. Partly sunny. 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 43.53°N 82.15°W
Last Update: 4:24 am EDT Mar 25, 2026
Forecast Valid: 7am EDT Mar 25, 2026-6pm EDT Mar 31, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data