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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 17, 2026
Forecast Valid: 5pm EDT Apr 17, 2026-6pm EDT Apr 24, 2026

This Afternoon

SE wind around 7 kt. Partly sunny. Waves 1 ft or less.

Tonight

SSE wind 13 to 20 kt. A chance of showers and thunderstorms after 5am. Waves 1 ft building to 4 ft.

Saturday

S wind 16 to 22 kt becoming WNW in the afternoon. Showers and thunderstorms before 11am, then showers likely. Waves 3 to 5 ft.

Saturday Night

WNW wind around 14 kt. Mostly cloudy. Waves around 2 ft.

Sunday

WNW wind 13 to 15 kt. A chance of snow showers after 2pm. Waves around 2 ft.

Sunday Night

N wind around 19 kt. A chance of snow showers before 8pm. Waves 3 ft building to 6 ft.

Monday

NNW wind 10 to 16 kt. Mostly sunny. Waves 3 to 5 ft.

Monday Night

S wind 8 to 13 kt increasing to 15 to 20 kt after midnight. Partly cloudy. Waves 1 to 3 ft.

Tuesday

S wind 18 to 25 kt. Partly sunny. Waves 4 to 6 ft. occasionally to 8ft.

*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.