What is the current water temperature in Hilton Head Island?

As of now, in Hilton Head Island, the water temperature is 27.85°F. It's safe to say that the water is comfortably warm for various water-related activities.

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.

82.1

°F

June 14, 10:01

Trend:

stable

Yesterday:

81.5°F

Tomorrow:

81.9°F

Sunrise:

06:16

Sunset:

20:31

Day Length:

14 h. 15 min.

Hilton Head Island in June

Minimum:

49.9°F

Average:

56.0°F

Maximum:

63.3°F

Sea water temperature in Hilton Head Island today

As of now, in Hilton Head Island, the water temperature is 82.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.8°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 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 83.2°F on 2024, while the historical minimum was 78.9°F on 2023.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 82.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hilton Head Island

Date	Current Year actual* / forecast**	last year	10 years average
May 31	82.9°F	79.9°F	79.0°F
Jun 1	81.6°F	79.1°F	78.8°F
Jun 2	81.4°F	78.2°F	78.5°F
Jun 3	80.8°F	78.0°F	78.9°F
Jun 4	79.5°F	78.8°F	79.2°F
Jun 5	78.2°F	78.8°F	79.2°F
Jun 6	78.1°F	79.5°F	79.3°F
Jun 7	78.5°F	80.0°F	79.5°F
Jun 8	78.6°F	80.4°F	79.8°F
Jun 9	78.0°F	80.8°F	79.9°F
Jun 10	80.3°F	82.0°F	80.6°F
Jun 11	81.4°F	81.1°F	80.7°F
Jun 12	81.0°F	81.1°F	81.0°F
Jun 13	81.5°F	81.2°F	81.3°F
Jun 14	82.1°F	82.7°F	81.4°F
Jun 15	81.9°F	82.3°F	81.1°F
Jun 16	82.0°F	82.3°F	81.2°F
Jun 17	82.2°F	82.1°F	81.4°F
Jun 18	82.3°F	83.5°F	81.6°F
Jun 19	82.3°F	84.2°F	81.6°F
Jun 20	82.3°F	84.0°F	81.5°F
Jun 21	82.5°F	84.1°F	81.7°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, 83.7°F in Summer, and 74.2°F in Autumn.