Water temperature in Sullivans Island
78.9
°F
October 5, 05:42
Trend:
stableYesterday:
78.9°FTomorrow:
78.6°F
Sunrise:
Sunset:
Day Length:
11 h. 43 min.Sullivans Island in October
Minimum:
49.3°FAverage:
55.8°FMaximum:
63.1°FSea water temperature in Sullivans Island today
As of now, in Sullivans Island, the water temperature is 78.9°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.8°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 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 82.0°F on 2019, while the historical minimum was 68.1°F on 2022.
Daily water temperature in Sullivans Island
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 21 | 82.9°F | 78.5°F | 80.5°F |
| Sep 22 | 83.0°F | 78.6°F | 80.3°F |
| Sep 23 | 84.1°F | 77.5°F | 80.1°F |
| Sep 24 | 83.1°F | 79.0°F | 80.0°F |
| Sep 25 | 81.8°F | 79.6°F | 79.7°F |
| Sep 26 | 79.0°F | 80.2°F | 79.4°F |
| Sep 27 | 77.4°F | 80.1°F | 79.2°F |
| Sep 28 | 77.1°F | 79.8°F | 79.1°F |
| Sep 29 | 75.9°F | 80.3°F | 79.1°F |
| Sep 30 | 76.9°F | 79.8°F | 79.0°F |
| Oct 1 | 77.6°F | 79.0°F | 78.8°F |
| Oct 2 | 78.4°F | 78.2°F | 78.3°F |
| Oct 3 | 78.9°F | 76.3°F | 77.9°F |
| Oct 4 | 78.9°F | 75.7°F | 77.5°F |
| Oct 5 | 78.9°F | 75.4°F | 77.1°F |
| Oct 6 | 78.6°F | 74.7°F | 76.9°F |
| Oct 7 | 78.4°F | 76.0°F | 76.6°F |
| Oct 8 | 78.3°F | 75.9°F | 76.6°F |
| Oct 9 | 78.0°F | 75.4°F | 76.3°F |
| Oct 10 | 77.7°F | 75.3°F | 76.0°F |
| Oct 11 | 77.4°F | 74.9°F | 75.7°F |
| Oct 12 | 77.0°F | 74.2°F | 75.2°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.