Weather and Tide Forecast for the Gulf of Thailand (Samui/Phangan/Tao/Surat Thani)

Gulf of Thailand Weather Forecast (Samui/Pha Ngan/Tao/Surat Thani) April 22–28, 2025.

Tuesday, April 22

Temperature: 27–33°C
Weather: Partly cloudy with isolated showers
Sea Conditions: Calm with light winds
Tide: High at 04:31 (2.26m), low at 17:21 (0.80m)​

Wednesday, April 23

Temperature: 27–33°C
Weather: Mostly cloudy with late showers
Sea Conditions: Smooth, waves around 1m
Tide: High at 05:36 (2.16m), low at 18:16 (0.87m)​

Thursday, April 24

Temperature: 27–34°C
Weather: Hot with clouds and sunshine; a thunderstorm around in the afternoon
Sea Conditions: Slightly choppy during storms
Tide: High at 06:38 (2.06m), low at 19:09 (0.94m)​

Friday, April 25

Temperature: 27–34°C
Weather: Times of clouds and sun with a thunderstorm in spots in the afternoon
Sea Conditions: Favorable for small boats
Tide: High at 07:36 (1.97m), low at 19:58 (1.01m)​

Saturday, April 26

Temperature: 27–34°C
Weather: Variable cloudiness with a thunderstorm in spots in the afternoon
Sea Conditions: Good, minor swell possible
Tide: High at 08:30 (1.89m), low at 20:44 (1.07m)​

Sunday, April 27

Temperature: 27–34°C
Weather: Cloudy with a touch of rain in the afternoon
Sea Conditions: Ideal for water activities
Tide: High at 09:20 (1.82m), low at 21:27 (1.12m)​

Monday, April 28

Temperature: 27–33°C
Weather: Cloudy; a thunderstorm in spots in the morning followed by a little rain in the afternoon
Sea Conditions: Mostly calm
Tide: High at 10:07 (1.76m), low at 22:08 (1.16m)