For Koh Tao :
Warning strong breeze.
The reliability of the situation is good.
Overcast skies with risk of thundery outbreaks in the morning. Light showers progressively dying out in the morning, possibility of showers in the afternoon. In the evening, very cloudy skies to overcast.
Possibility of showers NE force 6 in the morning becoming force 5 in the middle of the day. Moderate sea. Low, short swell from SSW. Excellent visibility.