Water temperature in Sullivans Island
66.5
°F
April 18, 01:10
Trend:
stableYesterday:
66.7°FTomorrow:
67.2°F
Sunrise:
Sunset:
Day Length:
13 h. 4 min.Sullivans Island in April
Minimum:
49.6°FAverage:
58.0°FMaximum:
66.5°FSea water temperature in Sullivans Island today
As of now, in Sullivans Island, the water temperature is 66.5°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 0.4°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 considerably 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 70.1°F on 2017, while the historical minimum was 63.4°F on 2016.
Daily water temperature in Sullivans Island
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Apr 4 | 67.3°F | 64.2°F | 63.6°F |
| Apr 5 | 67.9°F | 64.4°F | 64.1°F |
| Apr 6 | 67.7°F | 64.0°F | 64.4°F |
| Apr 7 | 69.0°F | 63.4°F | 64.8°F |
| Apr 8 | 68.8°F | 62.7°F | 65.6°F |
| Apr 9 | 68.6°F | 62.6°F | 65.6°F |
| Apr 10 | 67.8°F | 63.6°F | 65.2°F |
| Apr 11 | 67.0°F | 66.6°F | 65.3°F |
| Apr 12 | 68.4°F | 67.2°F | 65.4°F |
| Apr 13 | 67.4°F | 66.2°F | 65.8°F |
| Apr 14 | 66.8°F | 66.0°F | 66.4°F |
| Apr 15 | 67.6°F | 65.9°F | 66.8°F |
| Apr 16 | 67.0°F | 66.8°F | 67.1°F |
| Apr 17 | 66.7°F | 67.6°F | 67.1°F |
| Apr 18 | 66.5°F | 67.1°F | 66.9°F |
| Apr 19 | 67.2°F | 69.0°F | 67.6°F |
| Apr 20 | 67.4°F | 69.7°F | 67.8°F |
| Apr 21 | 67.6°F | 70.4°F | 68.0°F |
| Apr 22 | 67.7°F | 70.5°F | 68.2°F |
| Apr 23 | 67.6°F | 68.7°F | 68.0°F |
| Apr 24 | 67.9°F | 67.4°F | 68.3°F |
| Apr 25 | 68.1°F | 67.3°F | 68.6°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.