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 1.36°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.

34.4

°F

January 21, 19:37

Trend:

decreasing

Yesterday:

34.8°F

Tomorrow:

34.2°F

Sunrise:

07:16

Sunset:

17:02

Day Length:

9 h. 46 min.

Charleston in January

Minimum:

37.4°F

Average:

43.1°F

Maximum:

48.8°F

Sea water temperature in Charleston today

As of now, in Charleston, the water temperature is 34.4°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 5.5°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 43.0°F on 2023, while the historical minimum was 35.5°F on 2022.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 34.1°F, the minimum temperature may reach 33.8°F, and the maximum might stay at 34.3°F.

Daily water temperature in Charleston

Date	Current Year actual* / forecast**	last year	10 years average
Jan 7	40.6°F	43.2°F	42.4°F
Jan 8	40.0°F	42.4°F	42.0°F
Jan 9	39.6°F	42.2°F	41.8°F
Jan 10	35.9°F	41.9°F	41.3°F
Jan 11	36.6°F	42.6°F	41.1°F
Jan 12	37.1°F	43.3°F	40.8°F
Jan 13	36.9°F	42.5°F	41.0°F
Jan 14	37.4°F	43.2°F	41.0°F
Jan 15	36.1°F	43.3°F	40.8°F
Jan 16	36.4°F	43.0°F	40.7°F
Jan 17	36.8°F	39.4°F	40.6°F
Jan 18	36.3°F	39.6°F	40.3°F
Jan 19	36.1°F	40.6°F	40.1°F
Jan 20	34.8°F	39.9°F	39.5°F
Jan 21	34.4°F	39.3°F	40.0°F
Jan 22	34.2°F	36.8°F	39.7°F
Jan 23	34.3°F	37.3°F	39.8°F
Jan 24	34.3°F	37.5°F	39.9°F
Jan 25	34.2°F	37.7°F	39.7°F
Jan 26	33.9°F	37.8°F	39.5°F
Jan 27	33.9°F	39.7°F	39.5°F
Jan 28	33.8°F	39.4°F	39.3°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 42.0°F in Winter, 49.4°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	36.2°F	5mi
Coney Island	39.0°F	13mi
Jersey City	37.0°F	16mi
Brooklyn	38.2°F	17mi
New York City	37.0°F	17mi

* current water temperature in this city

** straight line distance from Charleston