All data are in degrees Fahrenheit

en

Water temperature in Hilton Head Island

Detailed information about the current water temperature in Hilton Head Island. 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 Hilton Head Island now

58.6

°F

December 21, 12:51

Trend:

stable

Yesterday:

58.2°F

Tomorrow:

58.4°F

Sunrise:

07:20

Sunset:

17:23

Day Length:

10 h. 3 min.

Hilton Head Island in December

Minimum:

49.1°F

Average:

56.3°F

Maximum:

61.6°F

Sea water temperature in Hilton Head Island today

As of now, in Hilton Head Island, the water temperature is 58.6°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 about the same as the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

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 also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 63.7°F on 2015, while the historical minimum was 54.1°F on 2023.

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 57.5°F, the minimum temperature may reach 56.9°F, and the maximum might stay at 58.4°F.

Daily water temperature in Hilton Head Island

Date Current Year

actual* / forecast**

last year 10 years average
Dec 7 57.7°F 59.3°F 60.2°F
Dec 8 55.8°F 58.7°F 60.0°F
Dec 9 55.8°F 57.7°F 59.6°F
Dec 10 56.3°F 59.2°F 59.7°F
Dec 11 56.1°F 60.4°F 59.6°F
Dec 12 56.6°F 59.1°F 59.3°F
Dec 13 57.1°F 59.1°F 60.0°F
Dec 14 56.5°F 58.0°F 59.7°F
Dec 15 55.7°F 57.1°F 58.5°F
Dec 16 55.7°F 55.4°F 59.2°F
Dec 17 55.2°F 54.5°F 58.2°F
Dec 18 56.9°F 55.5°F 58.6°F
Dec 19 58.6°F 55.5°F 58.7°F
Dec 20 58.2°F 55.8°F 59.0°F
Dec 21 58.6°F 54.1°F 58.5°F
Dec 22 58.4°F 52.8°F 58.3°F
Dec 23 57.8°F 53.1°F 57.7°F
Dec 24 57.5°F 53.9°F 57.4°F
Dec 25 57.7°F 53.7°F 57.6°F
Dec 26 57.4°F 53.0°F 57.3°F
Dec 27 56.9°F 53.7°F 56.8°F
Dec 28 57.1°F 54.9°F 57.0°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 Hilton Head Island by month

In Hilton Head Island, the months May through October offer comfortable swimming conditions, which amounts to 161 swimming days.
The warmest water in Hilton Head Island was recorded on August 22, 2023, reaching a 87.7°F. While the coldest temperature occurred on January 21, 2018, dipping to 46.4°F. The average readings by season are 57.2°F in Winter, 67.6°F in Spring, 83.5°F in Summer, and 74.4°F in Autumn.