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 14–20, 2025.

Tuesday, April 15

Temperature: 27–31°C
Weather: Cloudy with morning rain
Sea Conditions: Waves about 1 meter; exercise caution during showers
Tide: High at 12:36 AM (2.17m), low at 8:20 AM (0.99m)​

Wednesday, April 16

Temperature: 27–30°C
Weather: Morning rain, clearing later
Sea Conditions: Waves around 1 meter; generally calm
Tide: High at 12:52 AM (2.27m), low at 9:05 AM (0.95m)​

Thursday, April 17

Temperature: 27–32°C
Weather: Cloudy with light afternoon rain
Sea Conditions: Waves about 1 meter; suitable for sailing
Tide: High at 1:14 AM (2.34m), low at 10:03 AM (0.94m)​

Friday, April 18

Temperature: 28–33°C
Weather: Mostly cloudy with a little morning rain
Sea Conditions: Waves around 1 meter; favorable for sailing
Tide: High at 1:41 AM (2.38m), low at 11:45 AM (0.95m)​

Saturday, April 19

Temperature: 28–33°C
Weather: A little morning rain; otherwise, clouds giving way to some sun
Sea Conditions: Waves about 1 meter; good for sailing
Tide: High at 2:14 AM (2.39m), low at 4:33 PM (0.87m)​

Sunday, April 20

Temperature: 28–33°C
Weather: Partly sunny
Sea Conditions: Waves around 1 meter; ideal for sailing and water sports
Tide: High at 2:53 AM (2.37m), low at 4:54 PM (0.81m)