Water temperature in Sullivans Island
85.1
°F
August 24, 02:01
Trend:
decreasingYesterday:
85.7°FTomorrow:
84.5°F
Sunrise:
Sunset:
Day Length:
13 h. 5 min.Sullivans Island in August
Minimum:
47.0°FAverage:
55.9°FMaximum:
63.2°FSea water temperature in Sullivans Island today
As of now, in Sullivans Island, the water temperature is 85.1°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 1.2°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
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 86.1°F on 2023, while the historical minimum was 81.4°F on 2024.
Daily water temperature in Sullivans Island
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 10 | 84.9°F | 83.9°F | 83.9°F |
| Aug 11 | 84.9°F | 84.0°F | 84.0°F |
| Aug 12 | 85.0°F | 82.9°F | 84.3°F |
| Aug 13 | 85.2°F | 83.7°F | 84.5°F |
| Aug 14 | 85.0°F | 83.4°F | 84.6°F |
| Aug 15 | 84.6°F | 83.4°F | 84.5°F |
| Aug 16 | 84.5°F | 84.0°F | 84.4°F |
| Aug 17 | 85.2°F | 83.8°F | 84.5°F |
| Aug 18 | 85.9°F | 84.0°F | 84.3°F |
| Aug 19 | 86.8°F | 84.2°F | 84.4°F |
| Aug 20 | 87.4°F | 85.1°F | 84.5°F |
| Aug 21 | 87.1°F | 85.0°F | 84.7°F |
| Aug 22 | 87.5°F | 85.9°F | 84.9°F |
| Aug 23 | 85.7°F | 84.6°F | 84.5°F |
| Aug 24 | 85.1°F | 83.1°F | 83.9°F |
| Aug 25 | 84.5°F | 82.9°F | 83.3°F |
| Aug 26 | 84.5°F | 83.1°F | 83.3°F |
| Aug 27 | 84.3°F | 83.1°F | 83.2°F |
| Aug 28 | 84.4°F | 82.2°F | 83.2°F |
| Aug 29 | 84.5°F | 82.1°F | 83.3°F |
| Aug 30 | 84.4°F | 82.0°F | 83.3°F |
| Aug 31 | 84.5°F | 81.8°F | 83.3°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.