For More Weather Information:

18NM ENE Port Sanilac MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 4:24 pm EDT Mar 26, 2026
Forecast Valid: 10pm EDT Mar 26, 2026-6pm EDT Apr 2, 2026

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:

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.
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.