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4NM SW Port Austin MI

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 2:35 am EDT Sep 19, 2026
Forecast Valid: 2am EDT Sep 19, 2026-6pm EDT Sep 25, 2026

Saturday

E wind 6 to 8 kt becoming SSE in the afternoon. A chance of showers, mainly after 2pm. Waves 1 ft or less.

Saturday Night

ESE wind 5 to 7 kt. Showers likely, mainly before 3am. Waves 1 ft or less.

Sunday

NNE wind 10 to 14 kt, with gusts as high as 20 kt. Cloudy through mid morning, then gradual clearing. Waves 1 ft or less.

Sunday Night

NE wind 11 to 15 kt, with gusts as high as 23 kt. Increasing clouds. Waves 1 ft or less.

Monday

ENE wind around 13 kt, with gusts as high as 21 kt. Mostly cloudy. Waves 1 ft or less.

Monday Night

E wind 9 to 12 kt, with gusts as high as 23 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday

ENE wind 11 to 14 kt, with gusts as high as 23 kt. Mostly sunny. Waves 1 ft or less.

Tuesday Night

E wind 12 to 14 kt, with gusts as high as 23 kt. Partly cloudy. Waves 1 ft or less.

Wednesday

E wind 12 to 14 kt, with gusts as high as 21 kt. A chance of showers. 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.