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Detroit/Pontiac, MI Local Forecast Office

6NM N Port Huron MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 75 °F
Light Wind
< 1ft
Tonight
Low: 66 °F
Light Wind
< 1ft
Friday
High: 71 °F
N 11kt
1ft
Friday Night
Low: 65 °F
N 14kt
1-2ft
Saturday
High: 72 °F
NNE 11kt
< 1ft
Saturday Night
Low: 62 °F
N 13kt
1ft
Sunday
High: 76 °F
Light Wind
< 1ft
Sunday Night
Low: 64 °F
ENE 6kt
< 1ft
Monday
High: 80 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:49 pm EDT Jul 9, 2026
Forecast Valid: 3pm EDT Jul 9, 2026-6pm EDT Jul 15, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Showers and thunderstorms likely. Waves 1 ft or less.

Tonight

Variable winds 5 kt or less. Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Waves 1 ft or less.

Friday

N wind 9 to 11 kt. Mostly cloudy, then gradually becoming sunny. Waves around 1 ft.

Friday Night

N wind 10 to 14 kt. Mostly cloudy. Waves 1 to 2 ft.

Saturday

NNE wind 8 to 11 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Saturday Night

N wind 5 to 13 kt becoming E after midnight. Mostly clear. Waves around 1 ft.

Sunday

Variable winds 5 kt or less. Sunny. Waves 1 ft or less.

Sunday Night

NE wind around 6 kt becoming S after midnight. Mostly clear. Waves 1 ft or less.

Monday

Variable winds 5 kt or less. Sunny. 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.