South China Sea water temperature

South China Sea, Hoi An An Bang · Sea/Coast

The current water temperature at South China Sea is 30.8 °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.

30.8 °C

Measured: September 1, 2026 · continuously updated

💧 Water 30.8° · ☀️ Air 26.0° · high today 28.1°

Temperature trend of recent weeks

South China Sea — Photo: Vuong Tri Binh · CC BY-SA 4.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 595 data points since July 3, 2026.

Lowest recorded value: 29.6 °C on July 10, 2026 · highest value: 31.7 °C on July 29, 2026.

Nearby waters

South China Sea, Da Nang My Khe · 19.9 km away31.2 °C

More measuring points: South China Sea

Da Nang My Khe31.2 °C Coron29.8 °C El Nido29.8 °C El Nido / Nacpan29.8 °C Nha Trang28.7 °C Mui Ne28.0 °C

Frequently asked questions

Can you swim at South China Sea right now?
The current water temperature is 30.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at South China Sea?
Currently 30.8 °C (updated continuously).

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