All data are in degrees Fahrenheit

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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

69.4

°F

November 21, 04:33

Trend:

stable

Yesterday:

69.0°F

Tomorrow:

68.8°F

Sunrise:

06:58

Sunset:

17:20

Day Length:

10 h. 22 min.

Hilton Head Island in November

Minimum:

48.7°F

Average:

56.5°F

Maximum:

62.1°F

Sea water temperature in Hilton Head Island today

As of now, in Hilton Head Island, the water temperature is 69.4°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 5.3°F higher than 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 slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 68.6°F on 2015, while the historical minimum was 61.1°F on 2021.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. 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 67.0°F, and the maximum might stay at 68.8°F.

Daily water temperature in Hilton Head Island

Date Current Year

actual* / forecast**

last year 10 years average
Nov 7 71.6°F 64.0°F 69.4°F
Nov 8 71.0°F 65.6°F 69.3°F
Nov 9 70.5°F 65.3°F 68.8°F
Nov 10 70.2°F 65.7°F 68.5°F
Nov 11 70.0°F 65.6°F 68.3°F
Nov 12 69.6°F 65.8°F 67.9°F
Nov 13 69.4°F 65.6°F 67.7°F
Nov 14 69.0°F 65.5°F 67.4°F
Nov 15 71.0°F 65.4°F 67.2°F
Nov 16 69.4°F 65.2°F 66.7°F
Nov 17 68.4°F 65.2°F 66.3°F
Nov 18 68.1°F 64.7°F 65.7°F
Nov 19 68.1°F 63.8°F 65.1°F
Nov 20 69.0°F 64.1°F 64.9°F
Nov 21 69.4°F 64.1°F 64.1°F
Nov 22 68.8°F 63.7°F 63.5°F
Nov 23 68.2°F 64.3°F 62.9°F
Nov 24 67.6°F 64.0°F 62.3°F
Nov 25 67.5°F 64.0°F 62.2°F
Nov 26 67.2°F 62.4°F 62.0°F
Nov 27 67.2°F 62.3°F 62.0°F
Nov 28 67.0°F 61.3°F 61.8°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 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.