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Detroit/Pontiac, MI Local Forecast Office

6NM N Port Huron MI

Marine Point Forecast

[NOTICE]

Today
High: 46 °F
N 19kt
3-4ft

Small Craft Advisory
Tonight
Low: 41 °F
N 11kt⇓
1-2ft
Friday
High: 61 °F
⇑SSW 10kt
< 1ft
Friday Night
Low: 49 °F
S 12kt
1ft
Saturday
High: 70 °F
SSW 13kt
1ft
Saturday Night
Low: 50 °F
SW 12kt
< 1ft
Sunday
High: 63 °F
NNE 10kt
< 1ft
Sunday Night
Low: 50 °F
NNE 9kt
1ft
Monday
High: 77 °F
S 18kt
1-2ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 9:36 am EDT May 14, 2026
Forecast Valid: 11am EDT May 14, 2026-6pm EDT May 20, 2026

View Nearby Observations

Detailed Forecast

Today

N wind around 19 kt. Mostly sunny. Waves 3 to 4 ft.

Tonight

N wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Mostly clear. Waves 1 to 2 ft.

Friday

Variable winds less than 5 kt becoming SSW 5 to 10 kt in the morning. Partly sunny. Waves 1 ft or less.

Friday Night

S wind around 12 kt. Partly cloudy. Waves around 1 ft.

Saturday

SSW wind around 13 kt, with gusts as high as 19 kt. A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Waves around 1 ft.

Saturday Night

SW wind 9 to 12 kt becoming NNW after midnight. Showers likely, mainly between 8pm and 2am. Waves 1 ft or less.

Sunday

NNE wind 8 to 10 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

NNE wind around 9 kt becoming SE after midnight. A chance of showers. Waves around 1 ft.

Monday

S wind 12 to 18 kt. A chance of showers. Waves 1 to 2 ft.

*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.