Sea Temperature

Charleston Harbor Sea Temperature

(Today) Dec 2019

15.1°C / 59.1°F

Current weather

10°C / 50°F
(overcast clouds)

Partly cloudy
Wind

5 mph

Humidity

93%


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 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.

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

7 day tide forecast for Charleston Harbor

SatSunMonTueWedThuFri
  • Low 2:54am
    (-0.25m)
  • High 9:09am
    (6.06m)
  • Low 3:37pm
    (0.14m)
  • High 9:30pm
    (4.78m)
  • Low 3:41am
    (-0.21m)
  • High 9:57am
    (5.99m)
  • Low 4:25pm
    (0.16m)
  • High 10:22pm
    (4.77m)
  • Low 4:31am
    (-0.10m)
  • High 10:48am
    (5.86m)
  • Low 5:16pm
    (0.18m)
  • High 11:19pm
    (4.79m)
  • Low 5:27am
    (0.04m)
  • High 11:43am
    (5.68m)
  • Low 6:10pm
    (0.19m)
  • High 12:21am
    (4.86m)
  • Low 6:28am
    (0.19m)
  • High 12:42pm
    (5.48m)
  • Low 7:08pm
    (0.15m)
  • High 1:25am
    (5.01m)
  • Low 7:34am
    (0.28m)
  • High 1:43pm
    (5.31m)
  • Low 8:08pm
    (0.06m)
  • High 2:29am
    (5.23m)
  • Low 8:40am
    (0.28m)
  • High 2:45pm
    (5.17m)
  • Low 9:07pm
    (-0.08m)
7 day tide times for Charleston Harbor

*These tide times are estimates based on the nearest port (Fort Johnson, Charleston Harbor) and may differ by up to half and hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.

Average December sea temperatures

  • Max: 21.2°C / 70.1°F
  • Avg: 19°C / 66.2°F
  • Min: 16.9°C / 62.3°F
Charleston Harbor average sea temperature chart

These average ocean temperatures for Charleston Harbor are calculated from several years of archived data.

Map showing location of Charleston Harbor (32.763790, -79.897310)

Locations nearby

Variations

Whilst sea temperatures for Charleston Harbor are as accurate as current data allows, there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for Charleston Harbor
Charleston Harbor, Charleston Harbour

Charleston Harbor average sea temperature chart