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Detroit/Pontiac, MI Local Forecast Office

4NM N Port Huron MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 75 °F
S 7kt
< 1ft
Tonight
Low: 68 °F
ESE 7kt
< 1ft
Thursday
High: 71 °F
N 9kt
< 1ft
Thursday Night
Low: 66 °F
NNE 9kt⇓
< 1ft
Friday
High: 78 °F
Light Wind
< 1ft
Friday Night
Low: 70 °F
S 7kt
< 1ft
Saturday
High: 81 °F
S 11kt
< 1ft
Saturday Night
Low: 70 °F
SSW 9kt
< 1ft
Sunday
High: 76 °F
W 8kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:14 pm EDT Jul 9, 2025
Forecast Valid: 12pm EDT Jul 9, 2025-6pm EDT Jul 15, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

S wind around 7 kt. A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Waves 1 ft or less.

Tonight

ESE wind 5 to 7 kt becoming NNW after midnight. Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Waves 1 ft or less.

Thursday

N wind 7 to 9 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 ft or less.

Thursday Night

NNE wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Waves 1 ft or less.

Friday

Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.

Friday Night

S wind around 7 kt. Partly cloudy. Waves 1 ft or less.

Saturday

S wind 7 to 11 kt, with gusts as high as 18 kt. Showers likely and possibly a thunderstorm after 2pm. Waves 1 ft or less.

Saturday Night

SSW wind around 9 kt becoming W after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Waves 1 ft or less.

Sunday

W wind around 8 kt becoming NNW in the afternoon. 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.