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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: 9:50 pm EDT Nov 1, 2025
Forecast Valid: 10pm EDT Nov 1, 2025-6pm EST Nov 8, 2025

Tonight

NNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A slight chance of rain before 2am. Waves around 1 ft.

Sunday

W wind 8 to 12 kt becoming SSW in the afternoon. Mostly sunny. Waves 1 ft or less.

Sunday Night

SW wind 20 to 25 kt. A chance of rain after 2am. Waves 3 ft building to 6 ft.

Monday

SW wind 23 to 27 kt. Rain likely, mainly between 8am and 2pm. Waves 6 to 7 ft. occasionally to 9ft.

Monday Night

W wind 21 to 24 kt. Mostly clear. Waves around 5 ft.

Tuesday

W wind 14 to 18 kt. Sunny. Waves 2 to 3 ft.

Tuesday Night

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

Wednesday

SSE wind around 15 kt becoming WNW in the afternoon. Rain likely. Waves around 2 ft.

Wednesday Night

NW wind 17 to 22 kt. Rain likely. Waves 3 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.