Water temperature all along the South China Sea coast warms above 20°C and it is enough for a comfortable bathing. The warmest water temperature South China Sea today is 29.9°C (in Lambai Island, Taiwan), and the coldest South China Sea surface temperature now is 27.7°C (in Lagi, Vietnam).
The table below shows some of the cities on the South China Sea coast with the values of sea surface temperature today and yesterday. Also indicated are the maximum and minimum water temperatures that were recorded this month for the last ten years. To see the details, select the country and then the city of your interest. Besides water temperature, you can also get information about the weather for today, tomorrow and the upcoming days, surf forecast, as well as the data on sunrise/sunset and moonrise/moonset at a given point on any given day.
Today, the highest waves in the South China Sea are expected in Phan Thiet, Vietnam and will reach 1.1 m (3' 7"). The calmest sea will be in Redang, Malaysia and the average wave height for today will be 0.17 m (0' 7"). To view a 10-day forecast of sea or ocean conditions, select the city you are interested in.