For Koh Tao :
No gale warning.
The reliability of the situation is good.
Good clear periods alternating with cloudy spells, sometimes dense. No precipitation in the morning, possibility of showers in late afternoon. In the evening, clear periods developing.
Chance of light rain. WSW force 4 in the morning becoming W force 5 in the evening. Gusts reaching 21 knots in the evening. Smooth to slight sea. Low, short swell from S. Excellent visibility.