South China Sea, Mui Ne · Sea/Coast
The current water temperature at South China Sea is 28.0 °C (as of September 1, 2026, source: Open-Meteo marine model).
The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.
This measurement series includes 595 data points since July 3, 2026.
Lowest recorded value: 27.1 °C on July 4, 2026 · highest value: 28.9 °C on July 23, 2026.
Can you swim at South China Sea right now?
The current water temperature is 28.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at South China Sea?
Currently 28.0 °C (updated continuously).