For Koh Tao :
No gale warning.
The reliability of the situation is good.
Good clear periods alternating with cloudy spells, rather dense in the morning. No precipitation in the morning, possibility of showers in late afternoon. In the evening, lots of good clear periods.
Possibility of showers W force 4 in the morning becoming force 5 in the middle of the day. Gusts reaching 22 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, short swell from WSW. Excellent visibility.