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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: 4:24 pm EDT Apr 9, 2026
Forecast Valid: 9pm EDT Apr 9, 2026-6pm EDT Apr 16, 2026

Tonight

N wind 9 to 11 kt becoming ENE after midnight. Rain likely, mainly after 4am. Waves 1 to 2 ft.

Friday

NE wind 9 to 11 kt becoming N in the afternoon. Rain, mainly before 11am. Waves around 1 ft.

Friday Night

N wind 9 to 11 kt. Partly cloudy. Waves around 1 ft.

Saturday

NNW wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Sunny. Waves 1 ft or less.

Saturday Night

E wind 6 to 11 kt becoming SE after midnight. Increasing clouds. Waves 1 ft or less.

Sunday

S wind 17 to 20 kt. A chance of rain after 8am. Waves 2 to 4 ft.

Sunday Night

SSW wind 20 to 25 kt. Rain likely, mainly after 2am. Waves 5 to 6 ft. occasionally to 8ft.

Monday

SW wind 19 to 24 kt. Rain likely. Waves 5 to 7 ft. occasionally to 9ft.

Monday Night

SSW wind around 15 kt. A chance of rain. 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.