Water temperature in Sullivans Island
73.5
°F
October 14, 01:24
Trend:
decreasingYesterday:
73.6°FTomorrow:
73.2°F
Sunrise:
Sunset:
Day Length:
11 h. 26 min.Sullivans Island in October
Minimum:
49.3°FAverage:
56.6°FMaximum:
63.1°FSea water temperature in Sullivans Island today
As of now, in Sullivans Island, the water temperature is 73.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.5°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 fall a bit.Recent sea temperature and forecast
Today's water temperature is considerably 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 79.8°F on 2018, while the historical minimum was 72.3°F on 2022.
Daily water temperature in Sullivans Island
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Sep 30 | 79.8°F | 80.1°F | 79.2°F |
| Oct 1 | 79.0°F | 80.0°F | 78.9°F |
| Oct 2 | 78.2°F | 80.0°F | 78.4°F |
| Oct 3 | 76.3°F | 79.6°F | 77.8°F |
| Oct 4 | 75.7°F | 79.4°F | 77.5°F |
| Oct 5 | 75.4°F | 79.1°F | 77.2°F |
| Oct 6 | 74.7°F | 78.7°F | 76.9°F |
| Oct 7 | 76.0°F | 77.3°F | 76.6°F |
| Oct 8 | 75.9°F | 77.8°F | 76.5°F |
| Oct 9 | 75.4°F | 77.7°F | 76.2°F |
| Oct 10 | 75.3°F | 77.3°F | 75.9°F |
| Oct 11 | 74.9°F | 75.7°F | 75.6°F |
| Oct 12 | 74.2°F | 73.6°F | 75.2°F |
| Oct 13 | 73.6°F | 72.5°F | 75.1°F |
| Oct 14 | 73.5°F | 72.9°F | 75.0°F |
| Oct 15 | 73.2°F | 73.8°F | 74.7°F |
| Oct 16 | 72.8°F | 72.1°F | 74.3°F |
| Oct 17 | 72.9°F | 71.0°F | 74.4°F |
| Oct 18 | 72.6°F | 70.6°F | 74.1°F |
| Oct 19 | 71.7°F | 68.7°F | 73.2°F |
| Oct 20 | 70.9°F | 67.8°F | 72.4°F |
| Oct 21 | 70.6°F | 67.1°F | 72.1°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.