For More Weather Information:

18NM ENE Port Sanilac MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 8:50 pm EST Dec 30, 2025
Forecast Valid: 1am EST Dec 31, 2025-6pm EST Jan 6, 2026

Wednesday

W wind 19 to 23 kt. Snow showers, mainly after noon. Waves 4 to 5 ft.

Wednesday Night

NW wind 25 to 27 kt. Snow showers likely, mainly before 1am. Widespread freezing spray. Waves 7 to 9 ft. occasionally to 12ft.

New Year's Day

W wind 20 to 23 kt. Widespread freezing spray. Partly sunny. Waves 7 ft subsiding to 4 ft.

Thursday Night

W wind around 21 kt. A chance of snow after 1am. Waves around 4 ft.

Friday

W wind 18 to 20 kt. Mostly cloudy. Waves 3 to 4 ft.

Friday Night

WNW wind around 19 kt. Mostly cloudy. Waves 3 to 4 ft.

Saturday

WNW wind 13 to 18 kt. Mostly cloudy. Waves 3 to 4 ft.

Saturday Night

W wind around 13 kt. Mostly cloudy. Waves around 2 ft.

Sunday

W wind around 14 kt. Mostly cloudy. Waves around 2 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.