Sea weather in Koh Yao Yai in Thailand All the beach weather in Koh Yao Yai

All the essential weather information for enjoying the beach in Koh Yao Yai in Thailand, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Koh Yao Yai over the next 7 days?

Discover the best moment to go to the beach in Koh Yao Yai in Thailand this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Koh Yao Yai. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Thursday 23 July 202683°F to 85°Fdiscouraged
Friday 24 July 202683°F to 85°Fdiscouraged
Saturday 25 July 202681°F to 83°Fdiscouraged
Sunday 26 July 202683°F to 85°Fdiscouraged
Monday 27 July 202683°F to 85°Fdiscouraged
Tuesday 28 July 202683°F to 85°Fdiscouraged
Wednesday 29 July 202683°F to 85°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Koh Yao Yai

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 06:16 and will set at 18:47 on the beach(es) of Koh Yao Yai. The outside temperature will be a high of 85°F t and a low of 83°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 16.8mph km/h (with gusts up to 23.6mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (84°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)
Perceived temperature34°C (93°F)33°C (91°F)33°C (91°F)33°C (91°F)32°C (90°F)33°C (91°F)33°C (91°F)33°C (91°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%79%78%78%76%76%77%78%
Barometric pressure1012 hPa1010 hPa1010 hPa1012 hPa1011 hPa1009 hPa1009 hPa1010 hPa
Cloud cover55%86%52%57%75%84%63%78%
Heat index34°C (93°F)33°C (91°F)33°C (91°F)33°C (91°F)32°C (90°F)33°C (91°F)33°C (91°F)33°C (91°F)
Dew point24°C (76°F)24°C (76°F)24°C (76°F)24°C (75°F)24°C (74°F)24°C (75°F)24°C (75°F)24°C (76°F)
Wind
Speed21km/h (13mph)21km/h (13mph)21km/h (13mph)21km/h (13mph)22km/h (14mph)26km/h (16mph)27km/h (17mph)21km/h (13mph)
Gusts28km/h (18mph)28km/h (18mph)29km/h (18mph)27km/h (17mph)32km/h (20mph)37km/h (23mph)38km/h (24mph)29km/h (18mph)
Direction 296°
WNW
295°
WNW
288°
WNW
290°
WNW
286°
WNW
292°
WNW
291°
WNW
277°
W
Wind chill29°C (84°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)
Waves
Height0.3m (0.9ft)0.3m (0.9ft)0.2m (0.8ft)0.3m (1.0ft)0.3m (1.1ft)0.4m (1.2ft)0.4m (1.2ft)0.4m (1.2ft)
Direction 290°
WNW
291°
WNW
285°
WNW
286°
WNW
284°
WNW
300°
WNW
298°
WNW
292°
WNW
Period2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 06:17 and will set at 18:47 on the beach(es) of Koh Yao Yai. The outside temperature will be a high of 85°F t and a low of 83°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 17.4mph km/h (with gusts up to 25.5mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (83°F)29°C (83°F)28°C (83°F)29°C (84°F)28°C (83°F)29°C (84°F)29°C (84°F)28°C (83°F)
Perceived temperature33°C (92°F)33°C (91°F)33°C (91°F)33°C (92°F)32°C (90°F)33°C (91°F)33°C (92°F)33°C (91°F)
Precipitation0in0in0.1in0in0.1in0in0in0in
Humidity78%77%77%76%77%75%76%78%
Barometric pressure1010 hPa1008 hPa1009 hPa1011 hPa1009 hPa1007 hPa1008 hPa1009 hPa
Cloud cover84%55%60%72%74%68%62%65%
Heat index33°C (92°F)33°C (91°F)33°C (91°F)33°C (92°F)32°C (90°F)33°C (91°F)33°C (92°F)33°C (91°F)
Dew point24°C (76°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)
Wind
Speed24km/h (15mph)27km/h (17mph)26km/h (16mph)27km/h (17mph)28km/h (18mph)25km/h (16mph)28km/h (17mph)23km/h (15mph)
Gusts34km/h (21mph)36km/h (22mph)41km/h (26mph)37km/h (23mph)33km/h (21mph)35km/h (22mph)41km/h (25mph)33km/h (20mph)
Direction 280°
W
286°
WNW
290°
WNW
289°
WNW
295°
WNW
290°
WNW
300°
WNW
285°
WNW
Wind chill29°C (83°F)29°C (83°F)28°C (83°F)29°C (84°F)28°C (83°F)29°C (84°F)29°C (84°F)28°C (83°F)
Waves
Height0.4m (1.2ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.5ft)0.5m (1.5ft)0.5m (1.6ft)0.4m (1.5ft)0.4m (1.3ft)
Direction 285°
WNW
294°
WNW
290°
WNW
292°
WNW
292°
WNW
305°
NW
301°
WNW
294°
WNW
Period2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 06:17 and will set at 18:47 on the beach(es) of Koh Yao Yai. The outside temperature will be a high of 83°F t and a low of 81°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 17.4mph km/h (with gusts up to 24.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)28°C (83°F)28°C (83°F)28°C (82°F)27°C (81°F)27°C (80°F)28°C (82°F)28°C (83°F)
Perceived temperature33°C (91°F)33°C (91°F)32°C (89°F)31°C (88°F)30°C (85°F)30°C (86°F)32°C (89°F)33°C (91°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%79%75%75%73%81%77%78%
Barometric pressure1010 hPa1008 hPa1008 hPa1011 hPa1010 hPa1008 hPa1009 hPa1009 hPa
Cloud cover62%59%71%82%45%51%70%81%
Heat index33°C (91°F)33°C (91°F)32°C (89°F)31°C (88°F)30°C (85°F)30°C (86°F)32°C (89°F)33°C (91°F)
Dew point24°C (76°F)24°C (76°F)23°C (74°F)23°C (73°F)22°C (71°F)23°C (74°F)24°C (74°F)24°C (75°F)
Wind
Speed25km/h (16mph)26km/h (16mph)28km/h (17mph)28km/h (18mph)26km/h (16mph)18km/h (11mph)16km/h (10mph)18km/h (11mph)
Gusts39km/h (24mph)37km/h (23mph)33km/h (21mph)38km/h (24mph)38km/h (23mph)25km/h (15mph)22km/h (14mph)24km/h (15mph)
Direction 298°
WNW
292°
WNW
300°
WNW
305°
NW
291°
WNW
294°
WNW
282°
WNW
277°
W
Wind chill28°C (83°F)28°C (83°F)28°C (83°F)28°C (82°F)27°C (81°F)27°C (80°F)28°C (82°F)28°C (83°F)
Waves
Height0.4m (1.4ft)0.4m (1.4ft)0.4m (1.5ft)0.5m (1.5ft)0.4m (1.2ft)0.2m (0.8ft)0.2m (0.8ft)0.2m (0.7ft)
Direction 289°
WNW
291°
WNW
299°
WNW
308°
NW
313°
NW
322°
NW
312°
NW
299°
WNW
Period2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)

Sea weather on Sunday 26 July 2026

On Sunday 26 July 2026, the sun will rise at 06:17 and will set at 18:47 on the beach(es) of Koh Yao Yai. The outside temperature will be a high of 85°F t and a low of 83°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 18.6mph km/h (with gusts up to 25.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (83°F)28°C (82°F)28°C (82°F)28°C (83°F)28°C (82°F)29°C (83°F)28°C (83°F)28°C (82°F)
Perceived temperature33°C (92°F)32°C (90°F)32°C (89°F)32°C (90°F)32°C (89°F)32°C (89°F)32°C (89°F)32°C (90°F)
Precipitation0in0.1in0in0in0in0in0in0in
Humidity78%80%79%78%78%70%75%79%
Barometric pressure1010 hPa1008 hPa1009 hPa1010 hPa1009 hPa1008 hPa1008 hPa1010 hPa
Cloud cover51%84%85%69%57%80%80%77%
Heat index33°C (92°F)32°C (90°F)32°C (89°F)32°C (90°F)32°C (89°F)32°C (89°F)32°C (89°F)32°C (90°F)
Dew point24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (74°F)23°C (73°F)23°C (74°F)24°C (75°F)
Wind
Speed23km/h (14mph)27km/h (17mph)27km/h (17mph)27km/h (17mph)28km/h (17mph)30km/h (18mph)28km/h (17mph)26km/h (16mph)
Gusts31km/h (19mph)41km/h (25mph)30km/h (19mph)37km/h (23mph)31km/h (19mph)41km/h (26mph)39km/h (24mph)39km/h (24mph)
Direction 279°
W
283°
WNW
298°
WNW
294°
WNW
283°
WNW
283°
WNW
287°
WNW
279°
W
Wind chill29°C (83°F)28°C (82°F)28°C (82°F)28°C (83°F)28°C (82°F)29°C (83°F)28°C (83°F)28°C (82°F)
Waves
Height0.3m (0.9ft)0.4m (1.2ft)0.4m (1.4ft)0.5m (1.7ft)0.6m (1.8ft)0.6m (1.8ft)0.5m (1.7ft)0.5m (1.5ft)
Direction 288°
WNW
284°
WNW
287°
WNW
304°
WNW
296°
WNW
301°
WNW
293°
WNW
281°
WNW
Period2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)

Sea weather on Monday 27 July 2026

On Monday 27 July 2026, the sun will rise at 06:17 and will set at 18:47 on the beach(es) of Koh Yao Yai. The outside temperature will be a high of 85°F t and a low of 83°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 20.5mph km/h (with gusts up to 30.5mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)28°C (83°F)29°C (84°F)29°C (84°F)28°C (83°F)28°C (83°F)29°C (83°F)29°C (84°F)
Perceived temperature33°C (91°F)33°C (91°F)33°C (92°F)33°C (92°F)33°C (91°F)33°C (91°F)33°C (91°F)33°C (92°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%78%77%75%76%77%76%77%
Barometric pressure1010 hPa1008 hPa1008 hPa1010 hPa1010 hPa1008 hPa1008 hPa1009 hPa
Cloud cover75%79%86%59%72%79%61%47%
Heat index33°C (91°F)33°C (91°F)33°C (92°F)33°C (92°F)33°C (91°F)33°C (91°F)33°C (91°F)33°C (92°F)
Dew point24°C (76°F)24°C (76°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)
Wind
Speed27km/h (17mph)30km/h (18mph)32km/h (20mph)33km/h (21mph)33km/h (21mph)33km/h (20mph)31km/h (19mph)28km/h (17mph)
Gusts34km/h (21mph)40km/h (25mph)48km/h (30mph)45km/h (28mph)49km/h (31mph)45km/h (28mph)42km/h (26mph)39km/h (24mph)
Direction 278°
W
274°
W
274°
W
272°
W
273°
W
273°
W
275°
W
272°
W
Wind chill28°C (83°F)28°C (83°F)29°C (84°F)29°C (84°F)28°C (83°F)28°C (83°F)29°C (83°F)29°C (84°F)
Waves
Height0.5m (1.5ft)0.5m (1.7ft)0.6m (1.8ft)0.6m (1.9ft)0.6m (2.0ft)0.6m (1.9ft)0.5m (1.8ft)0.5m (1.6ft)
Direction 275°
W
271°
W
262°
W
265°
W
269°
W
271°
W
271°
W
269°
W
Period2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)
Sea water temperature
Water temperature31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)

Sea weather on Tuesday 28 July 2026

On Tuesday 28 July 2026, the sun will rise at 06:17 and will set at 18:46 on the beach(es) of Koh Yao Yai. The outside temperature will be a high of 85°F t and a low of 83°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 20.5mph km/h (with gusts up to 29.8mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)
Perceived temperature34°C (92°F)34°C (92°F)33°C (92°F)34°C (92°F)33°C (92°F)33°C (91°F)33°C (91°F)33°C (91°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%77%77%77%77%78%78%78%
Barometric pressure1009 hPa1008 hPa1008 hPa1009 hPa1009 hPa1007 hPa1008 hPa1009 hPa
Cloud cover53%56%56%69%73%73%72%73%
Heat index34°C (92°F)34°C (92°F)33°C (92°F)34°C (92°F)33°C (92°F)33°C (91°F)33°C (91°F)33°C (91°F)
Dew point24°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (76°F)24°C (76°F)
Wind
Speed29km/h (18mph)30km/h (18mph)30km/h (19mph)32km/h (20mph)33km/h (21mph)32km/h (20mph)31km/h (19mph)31km/h (19mph)
Gusts39km/h (24mph)40km/h (25mph)45km/h (28mph)45km/h (28mph)48km/h (30mph)46km/h (29mph)47km/h (29mph)48km/h (30mph)
Direction 272°
W
269°
W
266°
W
265°
W
263°
W
263°
W
263°
W
258°
WSW
Wind chill29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)
Waves
Height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)0.6m (2.0ft)
Direction 267°
W
263°
W
260°
W
258°
WSW
256°
WSW
257°
WSW
257°
WSW
256°
WSW
Period2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.8m (2.6ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)

Sea weather on Wednesday 29 July 2026

On Wednesday 29 July 2026, the sun will rise at 06:17 and will set at 18:46 on the beach(es) of Koh Yao Yai. The outside temperature will be a high of 85°F t and a low of 83°F. Precipitation is in the forecast (0.3in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 19.3mph km/h (with gusts up to 26.1mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)28°C (83°F)28°C (82°F)28°C (83°F)28°C (83°F)28°C (82°F)28°C (82°F)28°C (83°F)
Perceived temperature33°C (91°F)32°C (90°F)32°C (90°F)33°C (91°F)33°C (91°F)32°C (89°F)32°C (89°F)32°C (89°F)
Precipitation0in0in0in0in0in0.1in0.1in0.1in
Humidity78%76%80%79%78%79%77%76%
Barometric pressure1009 hPa1008 hPa1008 hPa1009 hPa1008 hPa1007 hPa1007 hPa1009 hPa
Cloud cover46%28%29%56%79%51%33%40%
Heat index33°C (91°F)32°C (90°F)32°C (90°F)33°C (91°F)33°C (91°F)32°C (89°F)32°C (89°F)32°C (89°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)24°C (75°F)24°C (75°F)23°C (74°F)24°C (74°F)
Wind
Speed31km/h (19mph)31km/h (19mph)30km/h (18mph)30km/h (19mph)30km/h (19mph)26km/h (16mph)23km/h (14mph)23km/h (15mph)
Gusts36km/h (23mph)33km/h (21mph)36km/h (22mph)42km/h (26mph)39km/h (24mph)39km/h (24mph)40km/h (25mph)39km/h (24mph)
Direction 264°
W
268°
W
264°
W
256°
WSW
247°
WSW
245°
WSW
244°
WSW
243°
WSW
Wind chill28°C (83°F)28°C (83°F)28°C (82°F)28°C (83°F)28°C (83°F)28°C (82°F)28°C (82°F)28°C (83°F)
Waves
Height0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2.0ft)0.6m (2.0ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Direction 258°
WSW
256°
WSW
253°
WSW
250°
WSW
249°
WSW
250°
WSW
249°
WSW
249°
WSW
Period2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.2.8 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)31°C (87°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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