Water temperature in Sullivans Island
69.5
°F
May 3, 11:52
Trend:
stableYesterday:
69.7°FTomorrow:
70.3°F
Sunrise:
Sunset:
Day Length:
13 h. 31 min.Sullivans Island in May
Minimum:
48.3°FAverage:
56.6°FMaximum:
63.8°FSea water temperature in Sullivans Island today
As of now, in Sullivans Island, the water temperature is 69.5°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 2.3°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
The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 74.4°F on 2017, while the historical minimum was 68.5°F on 2018.
Daily water temperature in Sullivans Island
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Apr 19 | 69.4°F | 68.7°F | 67.8°F |
| Apr 20 | 69.2°F | 69.1°F | 68.0°F |
| Apr 21 | 68.9°F | 69.8°F | 68.3°F |
| Apr 22 | 68.2°F | 71.0°F | 68.4°F |
| Apr 23 | 68.7°F | 70.4°F | 68.2°F |
| Apr 24 | 69.3°F | 71.5°F | 68.6°F |
| Apr 25 | 69.4°F | 71.5°F | 69.0°F |
| Apr 26 | 70.3°F | 71.4°F | 69.2°F |
| Apr 27 | 69.9°F | 72.1°F | 69.5°F |
| Apr 28 | 69.8°F | 72.8°F | 69.7°F |
| Apr 29 | 68.4°F | 72.1°F | 70.4°F |
| Apr 30 | 70.0°F | 72.4°F | 70.6°F |
| May 1 | 69.4°F | 71.6°F | 71.0°F |
| May 2 | 69.7°F | 72.7°F | 71.2°F |
| May 3 | 69.5°F | 72.9°F | 71.8°F |
| May 4 | 70.3°F | 73.2°F | 72.6°F |
| May 5 | 70.5°F | 74.1°F | 72.8°F |
| May 6 | 70.9°F | 75.2°F | 73.1°F |
| May 7 | 70.9°F | 74.5°F | 73.1°F |
| May 8 | 70.6°F | 74.5°F | 72.9°F |
| May 9 | 70.5°F | 74.4°F | 72.8°F |
| May 10 | 70.4°F | 74.3°F | 72.6°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.