For Koh Tao :
No gale warning.
The reliability of the situation is good.
Sun and storm clouds in the morning,skies clearing but storms likely in the afternoon. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, skies with few clouds.
NNW force 3 becoming N force 2 in the middle of the day then NNE. Smooth sea. Low, short swell from SE. Good visibility becoming good in the middle of the day then good.