Gulf of Thailand water temperature

Gulf of Thailand, Koh Tao / Sairee · Sea/Coast

The current water temperature at Gulf of Thailand is 29.7 °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.

29.7 °C

Measured: September 1, 2026 · continuously updated

💧 Water 29.7° · ☀️ Air 28.6° · high today 30.4°

Temperature trend of recent weeks

Gulf of Thailand — Photo: Franz Winter at German Wikipedia · CC BY-SA 3.0 · Wikimedia Commons

Measurement series & statistics

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

Lowest recorded value: 29.6 °C on August 29, 2026 · highest value: 31.1 °C on July 21, 2026.

Nearby waters

Gulf of Thailand, Koh Phangan · 47.8 km away29.9 °C Gulf of Thailand, Chaweng · 64.4 km away30.1 °C

More measuring points: Gulf of Thailand

Chaweng30.1 °C Koh Phangan29.9 °C Hua Hin29.4 °C Pattaya Beach29.2 °C Phu Quoc29.2 °C Phu Quoc / Long Beach29.2 °C

Frequently asked questions

Can you swim at Gulf of Thailand right now?
The current water temperature is 29.7 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Gulf of Thailand?
Currently 29.7 °C (updated continuously).

← All waters