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Charleston, SC - (Customhouse Wharf) Marine Weather Forecast

Station CHTS1 - 8665530 - Charleston, Cooper River Entrance, SC

December 15, 2025 12:48 pm EST
Location: 32.781N 79.924W
Wind Direction: NNE (30°)
Wind Speed: 6.0 knots
Wind Gust: 9.9 knots
Atmospheric Pressure: 30.48 in (1032.1 mb)


This Afternoon - 40°F
Dec 15, 2025
5 to 8 mph NE
Sunny
Sunny, with a high near 40. Northeast wind 5 to 8 mph.
Tonight - 29°F
Dec 15, 2025
3 mph N
Mostly Clear
Mostly clear, with a low around 29. North wind around 3 mph.
Tuesday - 53°F
Dec 16, 2025
5 mph NW
Sunny
Sunny, with a high near 53. Northwest wind around 5 mph.
Tuesday Night - 38°F
Dec 16, 2025
2 mph SW
Mostly Clear
Mostly clear, with a low around 38. Southwest wind around 2 mph.
Wednesday - 61°F
Dec 17, 2025
5 mph W
Mostly Cloudy
Mostly cloudy, with a high near 61. West wind around 5 mph.
Wednesday Night - 50°F
Dec 17, 2025
3 mph E
Mostly Cloudy
Mostly cloudy, with a low around 50.
Thursday - 67°F
Dec 18, 2025
3 to 7 mph E
Chance Light Rain
A chance of rain between 7am and 10am, then a chance of rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Thursday Night - 55°F
Dec 18, 2025
5 to 8 mph SW
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Friday - 63°F
Dec 19, 2025
9 mph W
Chance Light Rain then Mostly Sunny
A chance of rain before 7am. Mostly sunny, with a high near 63. Chance of precipitation is 40%.
Friday Night - 42°F
Dec 19, 2025
6 mph N
Mostly Clear
Mostly clear, with a low around 42.
Saturday - 61°F
Dec 20, 2025
6 mph NE
Sunny
Sunny, with a high near 61.
Saturday Night - 49°F
Dec 20, 2025
3 mph S
Mostly Clear
Mostly clear, with a low around 49.
Sunday - 67°F
Dec 21, 2025
2 to 7 mph SW
Sunny
Sunny, with a high near 67.
Sunday Night - 50°F
Dec 21, 2025
5 mph NW
Partly Cloudy
Partly cloudy, with a low around 50.

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