For Koh Chang:
No gale warning.
The reliability of the situation is good.
Fair weather with mostly clear skies. In the evening, skies with few clouds.
S force 2 in the morning temporarily SSW force 3 in the middle of the day. Gusts reaching 11 knots in the middle of the day. Smooth to slight sea becoming smooth in the middle of the day. Low, short swell from S. Good visibility becoming excellent in the middle of the day then good.