For More Weather Information:

Port Sanilac MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 1:24 pm EST Nov 13, 2026
Forecast Valid: 1pm EST Nov 13, 2026-6pm EST Nov 19, 2026

This Afternoon

N wind 14 to 16 kt. Rain likely, mainly after 5pm. Waves 1 ft or less.

Tonight

NW wind 13 to 15 kt, with gusts as high as 22 kt. Rain and snow before 1am, then a chance of rain. Waves 1 ft or less.

Saturday

NW wind 15 to 17 kt, with gusts as high as 23 kt. A chance of rain before noon. Waves 1 ft or less.

Saturday Night

NW wind 12 to 14 kt, with gusts as high as 20 kt. Cloudy. Waves 1 ft or less.

Sunday

NW wind 10 to 12 kt. Mostly cloudy. Waves 1 ft or less.

Sunday Night

NW wind 5 to 7 kt becoming W after midnight. Partly 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

WSW wind around 9 kt. 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.