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Detroit/Pontiac, MI Local Forecast Office

4NM N Port Huron MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 36 °F
SSW 20kt
1-2ft

Small Craft Advisory
Wednesday
High: 44 °F
W 19kt
1-2ft

Small Craft Advisory
Wednesday Night
Low: 36 °F
W 21kt
1-2ft

Small Craft Advisory
Thursday
High: 45 °F
W 15kt
1ft
Thursday Night
Low: 37 °F
W 12kt
< 1ft
Friday
High: 46 °F
N 10kt
< 1ft
Friday Night
Low: 37 °F
NNE 11kt
1ft
Saturday
High: 52 °F
SSE 13kt
< 1ft
Saturday Night
Low: 48 °F
SSW 19kt
1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 4:13 pm EST Nov 11, 2025
Forecast Valid: 10pm EST Nov 11, 2025-6pm EST Nov 18, 2025

View Nearby Observations

Detailed Forecast

Tonight

SSW wind 16 to 20 kt, with gusts as high as 26 kt. A chance of rain before 11pm, then a chance of snow between 11pm and 4am, then a chance of rain and snow after 4am. Waves 1 to 2 ft.

Wednesday

W wind 16 to 19 kt, with gusts as high as 25 kt. A chance of rain. Waves 1 to 2 ft.

Wednesday Night

W wind 16 to 21 kt. Partly cloudy. Waves 1 to 2 ft.

Thursday

W wind 13 to 15 kt. Sunny. Waves around 1 ft.

Thursday Night

W wind 9 to 12 kt. Partly cloudy. Waves 1 ft or less.

Friday

W wind 7 to 10 kt becoming N in the afternoon. Mostly sunny. Waves 1 ft or less.

Friday Night

NNE wind 8 to 11 kt becoming SE after midnight. Mostly cloudy. Waves around 1 ft.

Saturday

SSE wind 10 to 13 kt. Mostly cloudy. Waves 1 ft or less.

Saturday Night

SSE wind 16 to 19 kt becoming WSW after midnight. Rain likely. Waves around 1 ft.

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.