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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: 3:35 am EST Nov 13, 2025
Forecast Valid: 3am EST Nov 13, 2025-6pm EST Nov 19, 2025

Thursday

WNW wind 17 to 22 kt, with gusts as high as 29 kt. Mostly sunny. Waves 4 to 5 ft.

Thursday Night

WNW wind 14 to 19 kt. Partly cloudy. Waves 2 to 3 ft.

Friday

NW wind 8 to 12 kt becoming NNE in the afternoon. Mostly sunny. Waves 1 to 2 ft.

Friday Night

SSE wind 9 to 16 kt. Partly cloudy. Waves 1 to 2 ft.

Saturday

S wind 19 to 22 kt becoming SW in the afternoon. Rain likely, mainly after 1pm. Waves 3 to 4 ft.

Saturday Night

NW wind 21 to 30 kt. Rain likely, mainly before 1am. Waves 4 ft building to 7 ft.

Sunday

WNW wind 28 to 30 kt. A chance of rain. Waves 9 to 10 ft. occasionally to 13ft.

Sunday Night

WNW wind 28 to 31 kt. A chance of snow. Waves 12 ft subsiding to 9 ft.

Monday

WNW wind 17 to 25 kt. Partly sunny. Waves 8 ft subsiding to 5 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.