For Koh Pha Ngan :
No gale warning.
The reliability of the situation is good.
Good clear periods alternating with cloudy spells, sometimes dense. No precipitation. In the evening, good clear periods but cloud building.
Possibility of showers W force 3 becoming WNW force 2 in the middle of the day then W. Smooth sea. Low, short swell from ESE. Good visibility becoming excellent in the middle of the day then good.