Water temperature in Haikou
84.0
°F
August 26, 13:36
Trend:
stableYesterday:
84.0°FTomorrow:
83.9°F
Sunrise:
Sunset:
Day Length:
12 h. 39 min.Haikou in September
Minimum:
67.3°FAverage:
69.1°FMaximum:
71.7°FSea water temperature in Haikou today
As of now, in Haikou, the water temperature is 84.0°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 1.7°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 slightly 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 87.2°F on 2024, while the historical minimum was 84.2°F on 2025.
Daily water temperature in Haikou
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 12 | 86.7°F | 88.0°F | 86.2°F |
| Aug 13 | 86.5°F | 87.9°F | 86.2°F |
| Aug 14 | 86.5°F | 88.6°F | 86.4°F |
| Aug 15 | 86.4°F | 87.9°F | 86.3°F |
| Aug 16 | 85.9°F | 87.6°F | 86.1°F |
| Aug 17 | 85.6°F | 87.0°F | 86.1°F |
| Aug 18 | 84.4°F | 86.7°F | 85.9°F |
| Aug 19 | 84.1°F | 86.1°F | 85.8°F |
| Aug 20 | 83.8°F | 85.9°F | 85.6°F |
| Aug 21 | 84.3°F | 85.6°F | 85.7°F |
| Aug 22 | 83.2°F | 85.2°F | 85.5°F |
| Aug 23 | 83.2°F | 84.7°F | 85.4°F |
| Aug 24 | 83.8°F | 84.5°F | 85.4°F |
| Aug 25 | 84.0°F | 84.4°F | 85.7°F |
| Aug 26 | 84.0°F | 84.2°F | 85.7°F |
| Aug 27 | 83.9°F | 84.0°F | 85.6°F |
| Aug 28 | 83.9°F | 83.6°F | 85.6°F |
| Aug 29 | 83.8°F | 83.6°F | 85.5°F |
| Aug 30 | 83.5°F | 83.4°F | 85.2°F |
| Aug 31 | 83.6°F | 83.6°F | 85.3°F |
| Sep 1 | 83.6°F | 83.3°F | 85.3°F |
| Sep 2 | 83.4°F | 82.6°F | 85.1°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.