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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 17, 2026
Forecast Valid: 12am EDT Mar 18, 2026-6pm EDT Mar 24, 2026

Overnight

WSW wind around 13 kt. Mostly cloudy. Waves 2 to 3 ft.

Wednesday

S wind 14 to 21 kt, with gusts as high as 27 kt. Partly sunny. Waves 2 ft building to 5 ft.

Wednesday Night

S wind 16 to 19 kt. Mostly cloudy. Waves 3 to 4 ft.

Thursday

SW wind 8 to 12 kt. A chance of rain after 8am. Waves 1 to 2 ft.

Thursday Night

N wind around 9 kt. Mostly cloudy. Waves 1 ft or less.

Friday

SSW wind 10 to 12 kt. A chance of rain after 2pm. Waves around 1 ft.

Friday Night

SSE wind 12 to 14 kt. A chance of rain before 2am. Waves 1 to 2 ft.

Saturday

S wind around 16 kt. Mostly cloudy. Waves 2 to 3 ft.

Saturday Night

S wind 16 to 18 kt becoming SW after midnight. Mostly cloudy. Waves around 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.