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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 am EDT Mar 22, 2026
Forecast Valid: 5am EDT Mar 22, 2026-6pm EDT Mar 28, 2026

Today

S wind 5 to 10 kt becoming NNW 14 to 19 kt in the morning. Rain likely, mainly between 8am and 11am. Waves 1 to 3 ft.

Tonight

N wind 18 to 20 kt. Mostly cloudy. Waves 4 to 6 ft. occasionally to 8ft.

Monday

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

Monday Night

N wind 7 to 12 kt. Mostly clear. Waves 1 to 2 ft.

Tuesday

SSW wind 14 to 16 kt. Partly sunny. Waves 2 to 3 ft.

Tuesday Night

SW wind 11 to 13 kt becoming NNW after midnight. Mostly cloudy. Waves 1 to 2 ft.

Wednesday

N wind around 14 kt becoming ENE in the morning. Mostly cloudy. Waves 2 to 3 ft.

Wednesday Night

E wind 13 to 17 kt becoming SE after midnight. Mostly cloudy. Waves 2 to 3 ft.

Thursday

S wind 17 to 20 kt becoming SW in the afternoon. 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.