For Koh Tao, Mae Haad Bay :
No gale warning.
The reliability of the situation is very good.
Cloud and long sunny periods. Chance of light rain. In the evening, lots of good clear periods.
Possibility of showers SSW force 2 in the middle of the day turning WSW force 3 in the evening. Smooth sea. Low, short swell from SE. Excellent visibility becoming excellent in the evening.