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Detroit/Pontiac, MI Local Forecast Office

2NM N Port Austin MI

Marine Point Forecast

[NOTICE]

Tuesday
High: 74 °F
S 19kt
< 1ft
Tuesday Night
Low: 62 °F
SW 12kt
< 1ft
Wednesday
High: 66 °F
NNE 9kt
< 1ft
Wednesday Night
Low: 62 °F
NE 6kt⇓
< 1ft
Thursday
High: 69 °F
⇑N 6kt
< 1ft
Thursday Night
Low: 62 °F
⇑N 10kt
< 1ft
Friday
High: 66 °F
NE 11kt
< 1ft
Friday Night
Low: 60 °F
E 10kt
< 1ft
Saturday
High: 69 °F
SE 15kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:24 am EDT Sep 15, 2026
Forecast Valid: 2am EDT Sep 15, 2026-6pm EDT Sep 21, 2026

View Nearby Observations

Detailed Forecast

Tuesday

S wind 17 to 19 kt, with gusts as high as 30 kt. Showers and thunderstorms likely before 3pm, then a slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Waves 1 ft or less.

Tuesday Night

SW wind 9 to 12 kt becoming N after midnight. Winds could gust as high as 20 kt. A slight chance of showers and thunderstorms before 7pm. Waves 1 ft or less.

Wednesday

NNE wind around 9 kt. Partly sunny. Waves 1 ft or less.

Wednesday Night

NE wind around 6 kt becoming variable and less than 5 kt after midnight. A chance of showers after 2am. Waves 1 ft or less.

Thursday

Variable winds less than 5 kt becoming N around 6 kt in the morning. A chance of showers before 8am. Waves 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming N 5 to 10 kt in the evening. Partly cloudy. Waves 1 ft or less.

Friday

NE wind around 11 kt. Mostly sunny. Waves 1 ft or less.

Friday Night

ENE wind around 10 kt becoming ESE after midnight. A chance of showers. Waves 1 ft or less.

Saturday

SE wind 11 to 15 kt, with gusts as high as 25 kt. Showers likely, with thunderstorms also possible after 2pm. 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.