It depends. Bai Sao sits around 16.0°C in April; confident swimmers will be fine, casual bathers may prefer short sessions.
Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the Bai Sao live page for full conditions.
Best months to swim
June · July · August · September
Frequently asked questions
What is the average sea temperature at Bai Sao in April?
Bai Sao averages 16.0°C in April, based on long-run climatology for the Gulf of Thailand.
Is the sea warm enough to swim at Bai Sao in April?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Bai Sao in April?
A 2 mm shorty is comfortable for sessions over 30 minutes.
