For More Weather Information:

5NM E Port Austin MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 4:24 am EDT Sep 18, 2026
Forecast Valid: 5am EDT Sep 18, 2026-6pm EDT Sep 24, 2026

Today

NNE wind 10 to 12 kt, with gusts as high as 18 kt. Increasing clouds. Waves 1 ft or less.

Tonight

NE wind 5 to 8 kt becoming E after midnight. Mostly cloudy. Waves 1 ft or less.

Saturday

SE wind 5 to 9 kt. Mostly cloudy. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.

Sunday

NE wind 7 to 14 kt, with gusts as high as 20 kt. Partly sunny. Waves 1 ft or less.

Sunday Night

NE wind around 12 kt, with gusts as high as 22 kt. Mostly cloudy. Waves 1 ft or less.

Monday

ENE wind 13 to 16 kt, with gusts as high as 22 kt. Mostly cloudy. Waves 1 ft or less.

Monday Night

ENE wind 11 to 16 kt, with gusts as high as 27 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday

ENE wind 13 to 16 kt, with gusts as high as 24 kt. Mostly cloudy. 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.