All data are in degrees Fahrenheit

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Water temperature in Charleston

Detailed information about the current water temperature in Charleston. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Charleston now

59.5

°F

June 1, 13:39

Trend:

stable

Yesterday:

59.4°F

Tomorrow:

59.4°F

Sunrise:

05:29

Sunset:

20:21

Day Length:

14 h. 52 min.

Charleston in June

Minimum:

39.8°F

Average:

42.4°F

Maximum:

43.9°F

Sea water temperature in Charleston today

As of now, in Charleston, the water temperature is 59.5°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 4.7°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 68.3°F on 2022, while the historical minimum was 61.6°F on 2018.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 60.0°F, with minimum temperature starting at 59.2°F, while the maximum might reach 61.5°F.

Daily water temperature in Charleston

Date Current Year

actual* / forecast**

last year 10 years average
May 18 62.7°F 59.1°F 58.1°F
May 19 62.9°F 59.0°F 58.3°F
May 20 62.3°F 62.3°F 58.8°F
May 21 61.4°F 61.5°F 58.7°F
May 22 61.1°F 64.4°F 59.4°F
May 23 61.0°F 65.7°F 59.7°F
May 24 60.2°F 67.0°F 60.4°F
May 25 58.5°F 65.8°F 60.2°F
May 26 58.7°F 64.7°F 60.5°F
May 27 60.3°F 64.4°F 60.7°F
May 28 59.8°F 64.5°F 61.6°F
May 29 60.0°F 68.2°F 62.4°F
May 30 60.2°F 66.7°F 62.7°F
May 31 59.4°F 68.8°F 63.2°F
Jun 1 59.5°F 66.5°F 64.3°F
Jun 2 59.4°F 66.1°F 64.1°F
Jun 3 59.4°F 64.9°F 64.1°F
Jun 4 59.2°F 64.6°F 64.0°F
Jun 5 59.9°F 68.0°F 64.6°F
Jun 6 60.1°F 67.3°F 64.8°F
Jun 7 60.8°F 67.3°F 65.6°F
Jun 8 61.5°F 70.6°F 66.2°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Charleston by month

In Charleston, the months July through August offer comfortable swimming conditions, which amounts to 68 swimming days.
The warmest water in Charleston was recorded on July 20, 2020, reaching a 81.8°F. While the coldest temperature occurred on January 19, 2022, dipping to 33.6°F. The average readings by season are 41.8°F in Winter, 49.5°F in Spring, 73.2°F in Summer, and 63.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Staten Island 58.3°F 5mi
Coney Island 57.7°F 13mi
Jersey City 58.8°F 16mi
Brooklyn 58.2°F 17mi
New York City 58.8°F 17mi

* current water temperature in this city

** straight line distance from Charleston