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Sullivans Island, SC Marine Weather Forecast

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

March 5, 2026 12:30 pm EST
Location: 32.781N 79.924W
Wind Direction: SE (140°)
Wind Speed: 8.9 knots
Wind Gust: 9.9 knots
Atmospheric Pressure: 30.27 in (1025.1 mb)
Air Temperature: 66.6°F (19.2°C)
Water Temperature: 58.1°F (14.5°C)


This Afternoon - 75°F
Mar 05, 2026
7 mph S
Sunny
Sunny. High near 75, with temperatures falling to around 69 in the afternoon. South wind around 7 mph.
Tonight - 59°F
Mar 05, 2026
5 mph S
Mostly Cloudy then Areas Of Fog
Areas of fog after 1am. Mostly cloudy, with a low around 59. South wind around 5 mph.
Friday - 73°F
Mar 06, 2026
1 to 7 mph S
Widespread Fog then Partly Sunny
Widespread fog before 11am. Partly sunny, with a high near 73. South wind 1 to 7 mph.
Friday Night - 60°F
Mar 06, 2026
5 mph S
Mostly Cloudy
Mostly cloudy, with a low around 60. South wind around 5 mph.
Saturday - 74°F
Mar 07, 2026
2 to 8 mph S
Mostly Sunny
Mostly sunny, with a high near 74. South wind 2 to 8 mph.
Saturday Night - 61°F
Mar 07, 2026
6 mph S
Partly Cloudy
Partly cloudy, with a low around 61.
Sunday - 75°F
Mar 08, 2026
6 to 10 mph SW
Partly Sunny then Chance Rain Showers
A chance of rain showers after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Sunday Night - 61°F
Mar 08, 2026
6 to 9 mph SW
Slight Chance Showers And Thunderstorms
A chance of rain showers before 8pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Monday - 75°F
Mar 09, 2026
5 to 9 mph SW
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Monday Night - 60°F
Mar 09, 2026
5 to 8 mph SW
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday - 76°F
Mar 10, 2026
5 to 9 mph SW
Mostly Sunny
Mostly sunny, with a high near 76.
Tuesday Night - 61°F
Mar 10, 2026
8 mph S
Partly Cloudy
Partly cloudy, with a low around 61.
Wednesday - 75°F
Mar 11, 2026
6 to 13 mph S
Partly Sunny
Partly sunny, with a high near 75.
Wednesday Night - 62°F
Mar 11, 2026
12 mph S
Chance Rain Showers
A chance of rain showers after 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

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