All data are in degrees Fahrenheit

en

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

77.8

°F

August 8, 15:29

Trend:

stable

Yesterday:

76.8°F

Tomorrow:

77.6°F

Sunrise:

06:00

Sunset:

20:04

Day Length:

14 h. 4 min.

Charleston in August

Minimum:

40.0°F

Average:

42.0°F

Maximum:

43.5°F

Sea water temperature in Charleston today

As of now, in Charleston, the water temperature is 77.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.5°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 79.1°F on 2018, while the historical minimum was 73.5°F on 2017.

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 maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 78.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Charleston

Date Current Year

actual* / forecast**

last year 10 years average
Jul 25 78.0°F 75.4°F 76.6°F
Jul 26 78.2°F 74.8°F 76.3°F
Jul 27 78.2°F 75.8°F 76.7°F
Jul 28 77.7°F 76.2°F 76.9°F
Jul 29 79.0°F 76.0°F 77.0°F
Jul 30 81.5°F 78.1°F 77.6°F
Jul 31 80.9°F 77.0°F 76.9°F
Aug 1 80.1°F 78.2°F 76.6°F
Aug 2 79.6°F 78.7°F 76.8°F
Aug 3 76.7°F 78.8°F 76.8°F
Aug 4 76.7°F 79.8°F 76.6°F
Aug 5 77.3°F 79.3°F 76.6°F
Aug 6 77.4°F 79.3°F 76.4°F
Aug 7 76.8°F 79.6°F 76.3°F
Aug 8 77.8°F 78.8°F 76.2°F
Aug 9 77.6°F 78.2°F 76.1°F
Aug 10 77.5°F 78.1°F 76.0°F
Aug 11 77.8°F 78.4°F 76.3°F
Aug 12 78.0°F 78.5°F 76.5°F
Aug 13 78.2°F 78.7°F 76.7°F
Aug 14 78.4°F 78.9°F 76.9°F
Aug 15 78.4°F 78.9°F 76.9°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 69 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, 73.3°F in Summer, and 63.4°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Staten Island 74.5°F 5mi
Coney Island 73.6°F 13mi
Jersey City 73.5°F 16mi
Brooklyn 73.5°F 17mi
New York City 73.5°F 17mi

* current water temperature in this city

** straight line distance from Charleston