For Koh Tao :
No gale warning.
The reliability of the situation is good.
Skies changeable with thundery outbreaks possible during the afternoon. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, skies with few clouds.
SE wind force 3 continuing all day. Gusts reaching 11 knots in the middle of the day. Smooth to slight sea. Low, short swell from ENE. Excellent visibility.