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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: 9:49 pm EDT Mar 23, 2026
Forecast Valid: 10pm EDT Mar 23, 2026-6pm EDT Mar 30, 2026

Tonight

WNW wind 5 to 14 kt. Partly cloudy. Waves 2 to 4 ft.

Tuesday

SW wind 11 to 15 kt. Mostly sunny. Waves around 2 ft.

Tuesday Night

W wind 8 to 11 kt becoming S after midnight. Mostly cloudy. Waves around 1 ft.

Wednesday

S wind 13 to 15 kt. Mostly cloudy. Waves around 2 ft.

Wednesday Night

S wind around 13 kt. Mostly cloudy. Waves around 2 ft.

Thursday

SSW wind around 13 kt becoming WSW in the afternoon. A chance of rain after 2pm. Waves 1 to 2 ft.

Thursday Night

N wind 18 to 28 kt. A chance of rain and snow before 2am. Waves 2 ft building to 9 ft.

Friday

N wind 21 to 26 kt. Partly sunny. Waves 7 to 9 ft. occasionally to 12ft.

Friday Night

N wind 15 to 17 kt becoming WNW after midnight. Partly cloudy. Waves 3 to 4 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.