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Detroit/Pontiac, MI Local Forecast Office

3NM N Port Huron MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 87 °F
S 6kt
< 1ft
Tonight
Low: 67 °F
Light Wind
< 1ft
Wednesday
High: 86 °F
⇑S 7kt
< 1ft
Wednesday Night
Low: 72 °F
Light Wind
< 1ft
Thursday
High: 82 °F
WNW 10kt
< 1ft
Thursday Night
Low: 61 °F
N 10kt
< 1ft
Friday
High: 73 °F
NE 8kt
< 1ft
Friday Night
Low: 59 °F
Light Wind
< 1ft
Saturday
High: 79 °F
⇑S 6kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:24 pm EDT Jul 15, 2025
Forecast Valid: 4pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

S wind around 6 kt. Sunny. Waves 1 ft or less.

Tonight

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

Wednesday

Variable winds less than 5 kt becoming S 5 to 7 kt in the morning. A chance of showers and thunderstorms after 2pm. Waves 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms. Waves 1 ft or less.

Thursday

WSW wind 6 to 10 kt becoming NW in the afternoon. Winds could gust as high as 18 kt. Showers likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers likely after 5pm. Waves 1 ft or less.

Thursday Night

N wind 7 to 10 kt. Mostly cloudy. Waves 1 ft or less.

Friday

NE wind around 8 kt. Sunny. Waves 1 ft or less.

Friday Night

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

Saturday

Variable winds less than 5 kt becoming S around 6 kt 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.