Hazardous Weather Conditions

For More Weather Information:

Detroit/Pontiac, MI Local Forecast Office

18NM ENE Port Sanilac MI

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:ENE wind 6 to 13 kt becoming SSE after midnight. Clear. Waves 1 to 2 ft.

      Low: 27 °F

      SSE 13kt
      1-2ft

    • Wednesday

      Wednesday:SSE wind 15 to 18 kt. Increasing clouds. Waves 2 to 3 ft.

      High: 43 °F

      SSE 18kt
      2-3ft

    • Wednesday Night

      Wednesday Night:S wind 21 to 23 kt. Partly cloudy. Waves 4 to 6 ft. occasionally to 8ft.

      Low: 41 °FRising Temperatures

      S 23kt
      4-6ft

    • Thursday

      Thursday:S wind 16 to 23 kt. A chance of rain between 8am and 2pm.   Waves 4 to 6 ft. occasionally to 8ft.

      High: 47 °F

      S 23kt
      4-6ft

    • Thursday Night

      Thursday Night:WNW wind 9 to 12 kt becoming NE after midnight. A chance of rain after 2am.   Waves 1 to 2 ft.

      Low: 35 °FRising Temperatures

      WNW 12kt
      1-2ft

    • Friday

      Friday:N wind around 9 kt. Rain likely, mainly between 8am and 2pm.   Waves around 1 ft.

      High: 38 °F

      N 9kt
      1ft

    • Friday Night

      Friday Night:N wind 7 to 9 kt. Partly cloudy. Waves around 1 ft.

      Low: 34 °FRising Temperatures

      N 9kt
      1ft

    • Saturday

      Saturday:N wind 5 to 7 kt. Sunny. Waves around 1 ft.

      High: 40 °F

      N 7kt
      1ft

    • Saturday Night

      Saturday Night:E wind 6 to 12 kt becoming SSE after midnight. Partly cloudy. Waves 1 ft or less.

      Low: 38 °FRising Temperatures

      SSE 12kt
      < 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 pm EDT Apr 7, 2026
Forecast Valid: 7pm EDT Apr 7, 2026-6pm EDT Apr 14, 2026

View Nearby Observations

Detailed Forecast

Tonight
ENE wind 6 to 13 kt becoming SSE after midnight. Clear. Waves 1 to 2 ft.
Wednesday
SSE wind 15 to 18 kt. Increasing clouds. Waves 2 to 3 ft.
Wednesday Night
S wind 21 to 23 kt. Partly cloudy. Waves 4 to 6 ft. occasionally to 8ft.
Thursday
S wind 16 to 23 kt. A chance of rain between 8am and 2pm. Waves 4 to 6 ft. occasionally to 8ft.
Thursday Night
WNW wind 9 to 12 kt becoming NE after midnight. A chance of rain after 2am. Waves 1 to 2 ft.
Friday
N wind around 9 kt. Rain likely, mainly between 8am and 2pm. Waves around 1 ft.
Friday Night
N wind 7 to 9 kt. Partly cloudy. Waves around 1 ft.
Saturday
N wind 5 to 7 kt. Sunny. Waves around 1 ft.
Saturday Night
E wind 6 to 12 kt becoming SSE after midnight. Partly cloudy. 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.
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 pm EDT Apr 7, 2026
Forecast Valid: 7pm EDT Apr 7, 2026-6pm EDT Apr 14, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data