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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: 9:24 pm EDT Mar 25, 2026
Forecast Valid: 12am EDT Mar 26, 2026-6pm EDT Apr 1, 2026

Overnight

SW wind 14 to 16 kt. Mostly cloudy. Waves 1 ft or less.

Thursday

W wind around 10 kt becoming NNE in the afternoon. Rain likely, mainly after 2pm. Waves 1 ft or less.

Thursday Night

N wind 16 to 23 kt. Rain, mainly before 8pm. Waves 1 ft or less.

Friday

N wind around 21 kt. Mostly sunny. Waves 1 ft or less.

Friday Night

N wind 13 to 15 kt. Partly cloudy. Waves 1 ft or less.

Saturday

WNW wind around 15 kt. Partly sunny. Waves 1 ft or less.

Saturday Night

WNW wind around 13 kt becoming SW after midnight. Partly cloudy. Waves 1 ft or less.

Sunday

SSW wind around 17 kt. Partly sunny. Waves 1 ft or less.

Sunday Night

S wind 17 to 21 kt. Mostly cloudy. Waves 1 ft or less.

Wave heights are for ice free areas.

*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.