What is the current water temperature in Hilton Head Island?

Q: What is the current water temperature in Hilton Head Island?

As of now, in Hilton Head Island, the water temperature is 20.57°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

United States > Hilton Head Island

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.

69.0

°F

November 10, 15:16

Trend:

decreasing

Yesterday:

69.7°F

Tomorrow:

68.6°F

Sunrise:

06:47

Sunset:

17:26

Day Length:

10 h. 39 min.

Hilton Head Island in November

Minimum:

48.7°F

Average:

55.0°F

Maximum:

62.1°F

Sea water temperature in Hilton Head Island today

As of now, in Hilton Head Island, the water temperature is 69.0°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.9°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 fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 70.7°F on 2022, while the historical minimum was 63.7°F on 2021.

latest data

last year

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 67.6°F, the minimum temperature may reach 66.7°F, and the maximum might stay at 68.6°F.

Daily water temperature in Hilton Head Island

Date	Current Year actual* / forecast**	last year	10 years average
Oct 27	67.0°F	69.4°F	71.5°F
Oct 28	67.4°F	69.4°F	71.4°F
Oct 29	66.9°F	69.3°F	71.2°F
Oct 30	67.3°F	68.2°F	71.2°F
Oct 31	67.6°F	66.0°F	70.7°F
Nov 1	67.6°F	64.5°F	70.5°F
Nov 2	68.0°F	64.1°F	70.3°F
Nov 3	67.9°F	63.8°F	69.7°F
Nov 4	67.9°F	64.9°F	69.2°F
Nov 5	68.9°F	63.9°F	68.9°F
Nov 6	69.3°F	62.2°F	68.7°F
Nov 7	69.9°F	63.6°F	68.8°F
Nov 8	69.6°F	63.7°F	68.7°F
Nov 9	69.7°F	65.5°F	68.4°F
Nov 10	69.0°F	65.9°F	68.1°F
Nov 11	68.6°F	64.3°F	67.7°F
Nov 12	68.3°F	63.1°F	67.4°F
Nov 13	67.8°F	61.7°F	66.9°F
Nov 14	67.3°F	60.1°F	66.4°F
Nov 15	67.4°F	60.2°F	66.5°F
Nov 16	67.0°F	60.7°F	66.1°F
Nov 17	66.7°F	61.6°F	65.8°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 164 swimming days.

The warmest water in Hilton Head Island was recorded on August 1, 2025, reaching a 88.8°F. While the coldest temperature occurred on January 24, 2025, dipping to 44.6°F. The average readings by season are 55.9°F in Winter, 68.0°F in Spring, 83.8°F in Summer, and 74.2°F in Autumn.