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 17.75°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

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.

64.0

°F

November 26, 05:12

Trend:

increasing

Yesterday:

61.9°F

Tomorrow:

64.0°F

Sunrise:

07:00

Sunset:

17:14

Day Length:

10 h. 14 min.

Charleston in December

Minimum:

51.0°F

Average:

56.5°F

Maximum:

63.4°F

Sea water temperature in Charleston today

As of now, in Charleston, the water temperature is 64.0°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 2.6°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 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 65.3°F on 2020, while the historical minimum was 57.4°F on 2019.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 63.8°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
Nov 12	63.9°F	69.8°F	66.7°F
Nov 13	61.1°F	69.4°F	66.3°F
Nov 14	59.6°F	68.9°F	65.8°F
Nov 15	60.2°F	69.6°F	65.7°F
Nov 16	59.9°F	68.4°F	65.6°F
Nov 17	60.4°F	66.6°F	65.2°F
Nov 18	60.4°F	65.5°F	64.8°F
Nov 19	61.0°F	66.5°F	64.4°F
Nov 20	60.3°F	67.3°F	64.1°F
Nov 21	60.9°F	67.4°F	63.9°F
Nov 22	61.2°F	67.4°F	63.5°F
Nov 23	62.9°F	65.4°F	62.8°F
Nov 24	63.8°F	62.6°F	62.0°F
Nov 25	61.9°F	61.6°F	61.5°F
Nov 26	64.0°F	61.1°F	61.3°F
Nov 27	64.0°F	62.9°F	61.4°F
Nov 28	64.1°F	62.6°F	61.5°F
Nov 29	64.3°F	64.1°F	61.7°F
Nov 30	63.9°F	64.1°F	61.3°F
Dec 1	63.4°F	63.1°F	60.8°F
Dec 2	63.3°F	61.8°F	60.7°F
Dec 3	63.2°F	60.5°F	60.6°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 May through October offer comfortable swimming conditions, which amounts to 157 swimming days.

The warmest water in Charleston was recorded on July 19, 2024, reaching a 87.3°F. While the coldest temperature occurred on January 26, 2025, dipping to 44.2°F. The average readings by season are 57.0°F in Winter, 67.2°F in Spring, 82.8°F in Summer, and 73.5°F in Autumn.