Gulf of Thailand water temperature

Gulf of Thailand, Koh Chang / White Sand · Sea/Coast

The current water temperature at Gulf of Thailand is 28.9 °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.

28.9 °C

Measured: September 1, 2026 · continuously updated

💧 Water 28.9° · ☀️ Air 28.2°

Temperature trend of recent weeks

Gulf of Thailand — Photo: Slyronit · CC BY-SA 4.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 589 data points since July 3, 2026.

Lowest recorded value: 28.6 °C on August 31, 2026 · highest value: 30.5 °C on July 22, 2026.

More measuring points: Gulf of Thailand

Chaweng30.1 °C Koh Phangan29.9 °C Koh Tao / Sairee29.7 °C Hua Hin29.4 °C Pattaya Beach29.2 °C Phu Quoc29.2 °C

Frequently asked questions

Can you swim at Gulf of Thailand right now?
The current water temperature is 28.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Gulf of Thailand?
Currently 28.9 °C (updated continuously).

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