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 9.7°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 > 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.

49.5

°F

January 21, 19:25

Trend:

stable

Yesterday:

49.8°F

Tomorrow:

49.6°F

Sunrise:

07:23

Sunset:

17:46

Day Length:

10 h. 23 min.

Hilton Head Island in January

Minimum:

48.7°F

Average:

57.4°F

Maximum:

66.9°F

Sea water temperature in Hilton Head Island today

As of now, in Hilton Head Island, the water temperature is 49.5°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 5.7°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 rise 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 minimum temperature for this date. The maximum temperature recorded for this date was 61.1°F on 2015, while the historical minimum was 46.4°F on 2018.

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 49.1°F, the minimum temperature may reach 48.6°F, and the maximum might stay at 49.8°F.

Daily water temperature in Hilton Head Island

Date	Current Year actual* / forecast**	last year	10 years average
Jan 7	52.4°F	53.5°F	56.5°F
Jan 8	52.8°F	53.3°F	56.4°F
Jan 9	51.7°F	52.6°F	55.9°F
Jan 10	50.0°F	54.7°F	55.9°F
Jan 11	49.6°F	53.8°F	55.5°F
Jan 12	49.2°F	51.3°F	55.3°F
Jan 13	48.5°F	51.7°F	55.1°F
Jan 14	49.6°F	51.7°F	55.5°F
Jan 15	48.2°F	52.5°F	55.2°F
Jan 16	49.1°F	53.4°F	55.3°F
Jan 17	48.6°F	53.2°F	55.6°F
Jan 18	48.8°F	53.0°F	55.2°F
Jan 19	49.0°F	52.5°F	55.2°F
Jan 20	49.8°F	52.3°F	55.1°F
Jan 21	49.5°F	51.0°F	55.2°F
Jan 22	49.6°F	50.7°F	55.3°F
Jan 23	49.1°F	49.8°F	54.8°F
Jan 24	48.7°F	50.3°F	54.4°F
Jan 25	48.8°F	52.0°F	54.5°F
Jan 26	48.6°F	52.2°F	54.3°F
Jan 27	48.8°F	52.1°F	54.5°F
Jan 28	49.8°F	52.3°F	55.5°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 160 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 56.8°F in Winter, 67.8°F in Spring, 83.6°F in Summer, and 74.4°F in Autumn.