Charleston Harbor Water Temperature

(Today) 2022

27.5°C / 81.5°F

Current weather

25°C / 77°F
(clear sky)

Partly cloudy

Wind

10 mph

Humidity

55%


The measurements for the water temperature in Charleston Harbor, 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.

Monthly average water temp

Monthly average max / min water temperatures

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

Charleston Harbor average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Charleston Harbor
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 15.3 14.7 15.2 16.8 19.6 24.2 26.9 27.2 26.3 23 20.4 16.9
Max °C 19.2 18.5 18.5 22.5 25.9 28.3 29.8 30 28.9 28 24 21.2
Min °F 61.1 60 60.6 64.5 69.8 77.2 81.5 82.1 80.4 75.4 70.2 64.1
Max °F 65 63.8 63.9 70.2 76.1 81.3 84.4 84.9 83 80.4 73.8 68.4

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 61.9°F / 16.6°C.


7 day tide forecast for Charleston Harbor

SatSunMonTueWedThuFri
  • Low 1:32am
    (0.24m)
  • High 7:37am
    (1.69m)
  • Low 1:43pm
    (0.16m)
  • High 7:52pm
    (1.86m)
  • Low 2:09am
    (0.18m)
  • High 8:17am
    (1.77m)
  • Low 2:26pm
    (0.12m)
  • High 8:30pm
    (1.86m)
  • Low 2:46am
    (0.14m)
  • High 8:55am
    (1.84m)
  • Low 3:08pm
    (0.11m)
  • High 9:07pm
    (1.83m)
  • Low 3:23am
    (0.11m)
  • High 9:34am
    (1.9m)
  • Low 3:50pm
    (0.13m)
  • High 9:44pm
    (1.79m)
  • Low 4:00am
    (0.1m)
  • High 10:15am
    (1.93m)
  • Low 4:35pm
    (0.16m)
  • High 10:24pm
    (1.73m)
  • Low 4:39am
    (0.12m)
  • High 11:00am
    (1.94m)
  • Low 5:22pm
    (0.22m)
  • High 11:08pm
    (1.67m)
  • Low 5:24am
    (0.15m)
  • High 11:51am
    (1.92m)
  • Low 6:15pm
    (0.29m)
  • High 11:59pm
    (1.59m)
7 day tide times for Charleston Harbor

*These tide times are estimates based on the nearest accurate location (Fort Johnson, Charleston Harbor, 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.