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12NM N Port Sanilac MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 4:24 am EDT Sep 8, 2026
Forecast Valid: 5am EDT Sep 8, 2026-6pm EDT Sep 14, 2026

Today

Variable winds less than 5 kt becoming SE 5 to 9 kt in the morning. Partly sunny. Waves 1 ft or less.

Tonight

S wind 12 to 15 kt. A chance of showers, with thunderstorms also possible after 5am. Waves 1 to 2 ft.

Wednesday

SW wind 10 to 16 kt, with gusts as high as 25 kt. Showers likely, mainly between 8am and 2pm. Waves 1 to 2 ft.

Wednesday Night

W wind 11 to 15 kt, with gusts as high as 21 kt. A chance of showers before 8pm. Waves around 1 ft.

Thursday

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

Thursday Night

NNE wind 6 to 9 kt becoming NNW after midnight. Mostly clear. Waves around 1 ft.

Friday

Variable winds less than 5 kt becoming SE around 6 kt in the afternoon. Sunny. Waves 1 ft or less.

Friday Night

SE wind 9 to 13 kt becoming S after midnight. Mostly clear. Waves 1 to 2 ft.

Saturday

S wind 12 to 14 kt, with gusts as high as 21 kt. Mostly sunny. Waves 1 to 2 ft.

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.