For Koh Tao :
No gale warning.
The reliability of the situation is very good.
Very cloudy with risk of storms. Showers towards the end of the night. In the evening, very cloudy with risk of storms.
Light showers progressively becoming less frequent. WSW force 3 in the middle of the day becoming W force 4 in the evening. Gusts reaching 17 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from SW. Good visibility becoming excellent in the evening.