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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: 4:25 am EDT Apr 9, 2026
Forecast Valid: 5am EDT Apr 9, 2026-6pm EDT Apr 15, 2026

Today

SSW wind 15 to 24 kt. A chance of rain, mainly before noon. Waves 3 to 5 ft.

Tonight

NW wind 9 to 12 kt becoming NE after midnight. Rain likely, mainly after 5am. Waves 1 to 2 ft.

Friday

NE wind 8 to 10 kt becoming N in the afternoon. Rain, mainly before 2pm. Waves 1 ft or less.

Friday Night

N wind around 10 kt. Partly cloudy. Waves 1 ft or less.

Saturday

NNW wind 5 to 8 kt. 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

SSE wind 16 to 19 kt. A chance of rain. Waves around 3 ft.

Sunday Night

S wind 21 to 24 kt. A chance of rain. Waves 4 to 5 ft.

Monday

SSW wind 21 to 25 kt. A chance of rain. Waves around 6 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.