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18NM ENE Port Sanilac MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 9:50 am EDT Mar 21, 2026
Forecast Valid: 1pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026

This Afternoon

SSE wind around 7 kt. Mostly cloudy. Waves 1 ft or less.

Tonight

SE wind 13 to 15 kt becoming S after midnight. Mostly cloudy. Waves 1 to 2 ft.

Sunday

WNW wind 10 to 18 kt becoming N in the afternoon. Showers likely, mainly before 2pm. Waves 1 to 3 ft.

Sunday Night

N wind around 20 kt. A chance of showers before 8pm. Waves 4 to 5 ft.

Monday

NNW wind 16 to 18 kt. Partly sunny. Waves 3 to 4 ft.

Monday Night

N wind 7 to 11 kt becoming E after midnight. Mostly clear. Waves 1 to 2 ft.

Tuesday

SSW wind 14 to 17 kt. Partly sunny. Waves 1 to 3 ft.

Tuesday Night

SW wind 14 to 19 kt becoming NNW after midnight. Mostly cloudy. Waves 2 to 3 ft.

Wednesday

N wind 18 to 23 kt becoming ENE in the afternoon. Mostly cloudy. Waves 5 to 7 ft. occasionally to 9ft.

*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.