What is the current water temperature in Charleston?

Q: What is the current water temperature in Charleston?

As of now, in Charleston, the water temperature is 14.94°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.

United States > Charleston

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.

58.9

°F

May 10, 20:59

Trend:

decreasing

Yesterday:

59.0°F

Tomorrow:

58.8°F

Sunrise:

05:46

Sunset:

20:02

Day Length:

14 h. 16 min.

Charleston in May

Minimum:

40.4°F

Average:

42.6°F

Maximum:

44.9°F

Sea water temperature in Charleston today

As of now, in Charleston, the water temperature is 58.9°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 3.4°F higher 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 stay about the same.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 59.1°F on 2024, while the historical minimum was 52.2°F on 2020.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 59.6°F, with minimum temperature starting at 58.8°F, while the maximum might reach 61.1°F.

Daily water temperature in Charleston

Date	Current Year actual* / forecast**	last year	10 years average
Apr 26	55.2°F	52.9°F	51.5°F
Apr 27	56.9°F	52.9°F	51.9°F
Apr 28	54.8°F	52.6°F	52.1°F
Apr 29	54.3°F	52.6°F	52.4°F
Apr 30	55.8°F	53.3°F	52.6°F
May 1	55.2°F	53.2°F	52.6°F
May 2	56.4°F	57.2°F	53.3°F
May 3	54.5°F	61.3°F	53.7°F
May 4	57.4°F	59.4°F	54.3°F
May 5	56.8°F	58.0°F	54.2°F
May 6	56.5°F	57.4°F	54.3°F
May 7	57.7°F	57.5°F	54.9°F
May 8	59.1°F	57.9°F	55.5°F
May 9	59.0°F	57.9°F	55.6°F
May 10	58.9°F	59.1°F	55.5°F
May 11	58.8°F	59.0°F	55.4°F
May 12	59.1°F	59.3°F	55.7°F
May 13	59.0°F	59.2°F	55.6°F
May 14	59.4°F	59.6°F	56.0°F
May 15	59.9°F	59.2°F	56.5°F
May 16	60.3°F	59.1°F	56.9°F
May 17	61.1°F	59.1°F	57.7°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	56.8°F	5mi
Coney Island	55.5°F	13mi
Jersey City	56.7°F	16mi
Brooklyn	55.7°F	17mi
New York City	56.7°F	17mi

* current water temperature in this city

** straight line distance from Charleston