Charleston Water Temperature

(Today) 2024

19.2°C / 66.6°F

The water will feel tepid. Swimming will be tolerable without a wetsuit, although it will take a little getting used to. If you intend to stay in the water for a while a 3/2mm wetsuit will be ideal.

Current weather

19°C / 67°F
(clear sky)
Partly cloudy
Wind
10 mph
Humidity
74%

The measurements for the water temperature in Charleston, South Carolina are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Charleston water temperature derived from many years of historical sea surface temperature data.

Charleston average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Charleston
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 13.4 13 13.4 15.2 18.7 23.8 26.9 27.2 26.1 22.2 18.6 14.7
Max °C 17.1 16.6 16.8 21.9 25.8 28.4 29.6 30 28.8 27.7 23.3 19.6
Min °F 57.6 56.8 57.5 62 68.5 76.7 81.5 82.1 80 74.1 67.3 60.4
Max °F 61.3 60.4 60.9 68.7 75.6 81.3 84.2 84.9 82.7 79.6 72 65.3

The warmest water temperature is in August with an average around 83.5°F / 28.6°C. The coldest month is February with an average water temperature of 58.6°F / 14.8°C.

7 day tide forecast for Charleston

ThuFriSatSunMonTueWed
  • Low 3:46am
    (0.09m)
  • High 9:33am
    (1.44m)
  • Low 3:39pm
    (0.1m)
  • High 9:59pm
    (1.78m)
  • Low 4:26am
    (0.12m)
  • High 10:07am
    (1.41m)
  • Low 4:15pm
    (0.11m)
  • High 10:37pm
    (1.77m)
  • Low 5:07am
    (0.15m)
  • High 10:46am
    (1.38m)
  • Low 4:54pm
    (0.13m)
  • High 11:19pm
    (1.75m)
  • Low 5:53am
    (0.19m)
  • High 11:31am
    (1.36m)
  • Low 5:40pm
    (0.16m)
  • High 12:09am
    (1.72m)
  • Low 6:43am
    (0.22m)
  • High 12:25pm
    (1.35m)
  • Low 6:34pm
    (0.18m)
  • High 1:07am
    (1.69m)
  • Low 7:40am
    (0.22m)
  • High 1:29pm
    (1.37m)
  • Low 7:39pm
    (0.21m)
  • High 2:10am
    (1.67m)
  • Low 8:40am
    (0.2m)
  • High 2:38pm
    (1.43m)
  • Low 8:49pm
    (0.2m)
7 day tide times for Charleston

*These tide times are estimates based on the nearest accurate location (Charleston, South Carolina) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.