For Koh Tao :
No gale warning.
The reliability of the situation is good.
Clear skies or light cloud. Sun hazing over from time to time. No precipitation. In the evening, relatively clear skies becoming changeable.
S force 2 freshening ESE force 4 in the middle of the day then becoming SE. Smooth to slight sea temporarily smooth in the middle of the day. Low, short swell from ESE. Excellent visibility.