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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 Mar 20, 2026
Forecast Valid: 8pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026

Tonight

N wind 10 to 16 kt. Mostly cloudy. Waves around 2 ft.

Saturday

N wind 5 to 7 kt becoming SSE in the afternoon. Partly sunny. Waves 1 ft or less.

Saturday Night

S wind 12 to 14 kt. Mostly cloudy. Waves 1 to 2 ft.

Sunday

NW wind 11 to 17 kt becoming N in the afternoon. A chance of rain after 8am. Waves 2 to 3 ft.

Sunday Night

N wind 18 to 20 kt. Mostly cloudy. Waves around 4 ft.

Monday

N wind around 18 kt. Mostly cloudy, then gradually becoming sunny. Waves around 4 ft.

Monday Night

N wind 8 to 13 kt. Mostly clear. Waves 2 to 3 ft.

Tuesday

S wind 15 to 18 kt. Partly sunny. Waves 2 to 3 ft.

Tuesday Night

SW wind 14 to 23 kt becoming NW after midnight. Mostly cloudy. Waves 2 to 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.