For More Weather Information:

Port Sanilac MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 9:35 am EST Nov 14, 2026
Forecast Valid: 11am EST Nov 14, 2026-6pm EST Nov 20, 2026

Today

NW wind around 16 kt, with gusts as high as 23 kt. A chance of rain, mainly between 3pm and 4pm. Waves 1 ft or less.

Tonight

NW wind 11 to 14 kt, with gusts as high as 21 kt. A chance of rain, mainly after 2am. Waves 1 ft or less.

Sunday

NW wind 9 to 11 kt. Cloudy. Waves 1 ft or less.

Sunday Night

W wind 5 to 7 kt. Mostly cloudy. Waves 1 ft or less.

Monday

WSW wind 6 to 8 kt. Sunny. Waves 1 ft or less.

Monday Night

SW wind 6 to 8 kt. Mostly clear. Waves 1 ft or less.

Tuesday

SW wind 8 to 10 kt. Sunny. Waves 1 ft or less.

Tuesday Night

SW wind around 9 kt. Mostly clear. Waves 1 ft or less.

Wednesday

SW wind 8 to 10 kt. Mostly sunny. Waves 1 ft or less.

See Lake Huron Open Lake Forecast for days 3 through 5.

*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.