For Koh Chang:
No gale warning.
The reliability of the situation is poor.
For the night from Thursday to Friday S wind force 1 continuing all night. Gusts reaching 5 knots at the end of the night.
Smooth to slight sea. Low, short swell from SW. Poor visibility becoming reduced by mist in the middle of the night then poor. Daytime of Friday 9 may : The situation will be very unstable.
Stormy day. Lots of heavy hailstorms. In the evening, stormy but gradually improving.
Showers with the possibility of hail. SSW wind force 2 continuing all day. Gusts reaching 9 knots in the middle of the day. Smooth to slight sea. Low, short swell from SW. Poor visibility becoming good in the middle of the day then poor.