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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: 10:13 pm EST Nov 2, 2025
Forecast Valid: 10pm EST Nov 2, 2025-6pm EST Nov 9, 2025

Tonight

SW wind 23 to 27 kt, with gusts as high as 33 kt. A chance of rain, mainly after 4am. Waves 5 to 7 ft. occasionally to 9ft.

Monday

WSW wind 25 to 28 kt. Rain likely, mainly before 10am. Waves 6 to 7 ft. occasionally to 9ft.

Monday Night

WNW wind 22 to 28 kt. Mostly clear. Waves 5 to 7 ft. occasionally to 9ft.

Tuesday

W wind 15 to 20 kt. Mostly sunny. Waves 2 to 4 ft.

Tuesday Night

SSW wind 13 to 16 kt. Mostly cloudy. Waves 2 to 3 ft.

Wednesday

SSW wind 17 to 21 kt becoming NNW in the afternoon. Rain likely. Waves 3 to 4 ft.

Wednesday Night

NW wind 21 to 24 kt. A chance of rain before 1am. Waves 6 to 8 ft. occasionally to 10ft.

Thursday

WNW wind 9 to 17 kt. Mostly sunny. Waves 5 ft subsiding to 2 ft.

Thursday Night

S wind 12 to 17 kt increasing to 19 to 24 kt after midnight. A chance of rain. Waves 2 ft building 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.