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Detroit/Pontiac, MI Local Forecast Office

4NM N Port Huron MI

Marine Point Forecast

[NOTICE]

This Afternoon
High: 34 °F
SW 16kt
1ft

Small Craft Advisory
Tonight
Low: 34 °F
S 14kt
< 1ft

Small Craft Advisory
Wednesday
High: 36 °F
⇑NNW 23kt
5ft

Small Craft Advisory
Wednesday Night
Low: 22 °F
WNW 22kt
3-5ft

Small Craft Advisory
Thursday
High: 28 °F
WNW 19kt
2ft
Thursday Night
Low: 23 °F
W 15kt
1ft
Friday
High: 28 °F
SW 9kt
< 1ft
Friday Night
Low: 20 °F
SW 19kt
1-2ft
Saturday
High: 23 °F
W 19kt
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: 4:24 pm EST Dec 9, 2025
Forecast Valid: 5pm EST Dec 9, 2025-6pm EST Dec 16, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

SW wind around 16 kt, with gusts as high as 25 kt. A slight chance of snow showers. Waves around 1 ft.

Tonight

SW wind 12 to 14 kt becoming S after midnight. Winds could gust as high as 23 kt. Snow, possibly mixed with rain before 1am, then snow between 1am and 4am, then snow, possibly mixed with rain after 4am. Waves 1 ft or less.

Wednesday

WSW wind 8 to 13 kt becoming NNW 18 to 23 kt in the morning. Winds could gust as high as 32 kt. Rain and snow before 2pm, then a chance of snow between 2pm and 3pm. Waves 1 ft or less building to 5 ft.

Wednesday Night

WNW wind 17 to 22 kt, with gusts as high as 29 kt. A chance of snow between 7pm and 1am. Waves 3 to 5 ft.

Thursday

WNW wind 16 to 19 kt. Partly sunny. Waves around 2 ft.

Thursday Night

W wind 11 to 15 kt. Mostly cloudy. Waves around 1 ft.

Friday

SW wind around 9 kt. Partly sunny. Waves 1 ft or less.

Friday Night

SW wind 9 to 19 kt. A chance of snow. Waves 1 to 2 ft.

Saturday

W wind 16 to 19 kt. A chance of snow. Waves 1 to 2 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.