Sea weather in Ko Samet in Thailand All the beach weather in Ko Samet

All the essential weather information for enjoying the beach in Ko Samet 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 Ko Samet over the next 7 days?

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

Date Outside temp. Our opinion
Wednesday 3 June 202681°F to 85°Fdiscouraged
Thursday 4 June 202683°F to 85°Fdiscouraged
Friday 5 June 202683°F to 86°Fdiscouraged
Saturday 6 June 202683°F to 86°Fdiscouraged
Sunday 7 June 202683°F to 86°Fdiscouraged
Monday 8 June 202683°F to 86°Fdiscouraged
Tuesday 9 June 202683°F to 85°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Ko Samet

Sea weather on Wednesday 3 June 2026

On Wednesday 3 June 2026, the sun will rise at 05:48 and will set at 18:37 on the beach(es) of Ko Samet. The outside temperature will be a high of 85°F t and a low of 81°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 18mph km/h (with gusts up to 28mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)27°C (80°F)27°C (80°F)28°C (82°F)29°C (83°F)29°C (84°F)28°C (83°F)28°C (82°F)
Perceived temperature32°C (89°F)31°C (87°F)30°C (87°F)32°C (89°F)33°C (91°F)33°C (92°F)33°C (91°F)32°C (89°F)
Precipitation0.1in0.1in0in0in0in0in0in0in
Humidity83%87%86%80%75%72%79%79%
Barometric pressure1008 hPa1006 hPa1007 hPa1008 hPa1007 hPa1004 hPa1004 hPa1007 hPa
Cloud cover89%77%91%87%76%77%63%74%
Heat index32°C (89°F)31°C (87°F)30°C (87°F)32°C (89°F)33°C (91°F)33°C (92°F)33°C (91°F)32°C (89°F)
Dew point24°C (76°F)24°C (76°F)24°C (76°F)24°C (75°F)24°C (75°F)23°C (74°F)24°C (76°F)24°C (75°F)
Wind
Speed18km/h (11mph)24km/h (15mph)23km/h (15mph)24km/h (15mph)24km/h (15mph)24km/h (15mph)27km/h (17mph)29km/h (18mph)
Gusts25km/h (15mph)31km/h (19mph)26km/h (16mph)34km/h (21mph)34km/h (21mph)33km/h (20mph)39km/h (25mph)45km/h (28mph)
Direction 240°
WSW
213°
SSW
224°
SW
232°
SW
226°
SW
223°
SW
240°
WSW
244°
WSW
Wind chill28°C (82°F)27°C (80°F)27°C (80°F)28°C (82°F)29°C (83°F)29°C (84°F)28°C (83°F)28°C (82°F)
Waves
Height0.9m (3.1ft)0.9m (3.0ft)0.9m (2.9ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.2ft)0.8m (2.6ft)1.0m (3.2ft)
Direction 214°
SSW
211°
SSW
214°
SW
211°
SSW
209°
SSW
206°
SSW
211°
SSW
213°
SSW
Period5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)1.2m (3.9ft)1.4m (4.6ft)
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 Thursday 4 June 2026

On Thursday 4 June 2026, the sun will rise at 05:48 and will set at 18:37 on the beach(es) of Ko Samet. 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 18.6mph km/h (with gusts up to 27.3mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (83°F)
Perceived temperature32°C (89°F)31°C (89°F)32°C (89°F)34°C (93°F)33°C (92°F)34°C (93°F)33°C (92°F)33°C (92°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%80%79%74%75%73%75%78%
Barometric pressure1007 hPa1005 hPa1006 hPa1007 hPa1006 hPa1004 hPa1005 hPa1007 hPa
Cloud cover100%95%97%100%100%86%81%56%
Heat index32°C (89°F)31°C (89°F)32°C (89°F)34°C (93°F)33°C (92°F)34°C (93°F)33°C (92°F)33°C (92°F)
Dew point24°C (75°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)24°C (76°F)
Wind
Speed30km/h (19mph)28km/h (18mph)22km/h (13mph)22km/h (13mph)27km/h (17mph)28km/h (17mph)28km/h (17mph)30km/h (18mph)
Gusts44km/h (28mph)42km/h (26mph)32km/h (20mph)28km/h (17mph)37km/h (23mph)37km/h (23mph)41km/h (26mph)44km/h (27mph)
Direction 250°
WSW
254°
WSW
253°
WSW
241°
WSW
233°
SW
230°
SW
228°
SW
241°
WSW
Wind chill28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (83°F)
Waves
Height1.0m (3.2ft)0.9m (3.0ft)0.8m (2.8ft)0.8m (2.7ft)0.8m (2.7ft)0.9m (2.8ft)1.0m (3.2ft)1.0m (3.3ft)
Direction 207°
SSW
212°
SSW
211°
SSW
226°
SW
220°
SW
211°
SSW
205°
SSW
208°
SSW
Period5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)1.5m (4.9ft)
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 5 June 2026

On Friday 5 June 2026, the sun will rise at 05:48 and will set at 18:38 on the beach(es) of Ko Samet. The outside temperature will be a high of 86°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 19.3mph km/h (with gusts up to 27.3mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)29°C (85°F)30°C (86°F)29°C (85°F)29°C (84°F)
Perceived temperature32°C (90°F)31°C (89°F)32°C (89°F)33°C (92°F)33°C (92°F)34°C (94°F)34°C (92°F)33°C (92°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%78%77%72%70%66%69%76%
Barometric pressure1007 hPa1006 hPa1007 hPa1009 hPa1008 hPa1005 hPa1006 hPa1008 hPa
Cloud cover99%87%85%100%83%30%77%72%
Heat index32°C (90°F)31°C (89°F)32°C (89°F)33°C (92°F)33°C (92°F)34°C (94°F)34°C (92°F)33°C (92°F)
Dew point24°C (75°F)24°C (74°F)23°C (74°F)24°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)24°C (75°F)
Wind
Speed29km/h (18mph)28km/h (17mph)25km/h (16mph)29km/h (18mph)31km/h (19mph)29km/h (18mph)23km/h (14mph)27km/h (17mph)
Gusts41km/h (25mph)40km/h (25mph)37km/h (23mph)38km/h (23mph)43km/h (27mph)39km/h (24mph)34km/h (21mph)44km/h (27mph)
Direction 236°
SW
247°
WSW
242°
WSW
241°
WSW
243°
WSW
242°
WSW
234°
SW
251°
WSW
Wind chill28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)29°C (85°F)30°C (86°F)29°C (85°F)29°C (84°F)
Waves
Height1.0m (3.3ft)1.0m (3.3ft)0.9m (3.1ft)0.9m (3.0ft)0.9m (3.0ft)0.8m (2.7ft)0.7m (2.2ft)0.6m (1.9ft)
Direction 210°
SSW
212°
SSW
211°
SSW
209°
SSW
224°
SW
223°
SW
204°
SSW
200°
SSW
Period5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.
Significant height1.5m (4.9ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.4m (4.6ft)1.1m (3.6ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)

Sea weather on Saturday 6 June 2026

On Saturday 6 June 2026, the sun will rise at 05:48 and will set at 18:38 on the beach(es) of Ko Samet. The outside temperature will be a high of 86°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 17.4mph km/h (with gusts up to 26.7mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)28°C (82°F)28°C (82°F)30°C (85°F)30°C (86°F)29°C (85°F)29°C (84°F)29°C (84°F)
Perceived temperature32°C (90°F)32°C (89°F)32°C (89°F)35°C (95°F)34°C (94°F)34°C (93°F)34°C (93°F)34°C (93°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%77%79%72%70%71%76%77%
Barometric pressure1008 hPa1007 hPa1008 hPa1010 hPa1009 hPa1007 hPa1008 hPa1009 hPa
Cloud cover63%51%72%74%71%70%54%86%
Heat index32°C (90°F)32°C (89°F)32°C (89°F)35°C (95°F)34°C (94°F)34°C (93°F)34°C (93°F)34°C (93°F)
Dew point23°C (74°F)23°C (74°F)24°C (75°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (76°F)25°C (76°F)
Wind
Speed28km/h (17mph)26km/h (16mph)25km/h (15mph)28km/h (17mph)27km/h (17mph)23km/h (15mph)22km/h (14mph)26km/h (16mph)
Gusts43km/h (27mph)39km/h (24mph)37km/h (23mph)34km/h (21mph)35km/h (22mph)34km/h (21mph)39km/h (24mph)40km/h (25mph)
Direction 247°
WSW
241°
WSW
234°
SW
237°
WSW
238°
WSW
235°
SW
221°
SW
241°
WSW
Wind chill28°C (83°F)28°C (82°F)28°C (82°F)30°C (85°F)30°C (86°F)29°C (85°F)29°C (84°F)29°C (84°F)
Waves
Height0.8m (2.6ft)0.9m (2.8ft)0.8m (2.7ft)0.8m (2.7ft)0.8m (2.6ft)0.7m (2.4ft)0.8m (2.7ft)0.8m (2.6ft)
Direction 233°
SW
219°
SW
209°
SSW
205°
SSW
206°
SSW
206°
SSW
208°
SSW
208°
SSW
Period5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.
Significant height1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)

Sea weather on Sunday 7 June 2026

On Sunday 7 June 2026, the sun will rise at 05:48 and will set at 18:38 on the beach(es) of Ko Samet. The outside temperature will be a high of 86°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 18mph km/h (with gusts up to 27.3mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (83°F)28°C (83°F)28°C (83°F)30°C (85°F)30°C (86°F)30°C (86°F)29°C (84°F)29°C (84°F)
Perceived temperature33°C (91°F)33°C (91°F)32°C (90°F)35°C (94°F)34°C (94°F)35°C (94°F)34°C (93°F)34°C (93°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%78%78%72%68%70%75%77%
Barometric pressure1009 hPa1008 hPa1009 hPa1010 hPa1009 hPa1007 hPa1007 hPa1008 hPa
Cloud cover31%61%72%59%23%75%81%28%
Heat index33°C (91°F)33°C (91°F)32°C (90°F)35°C (94°F)34°C (94°F)35°C (94°F)34°C (93°F)34°C (93°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)23°C (74°F)24°C (75°F)24°C (76°F)24°C (76°F)
Wind
Speed29km/h (18mph)27km/h (17mph)24km/h (15mph)26km/h (16mph)24km/h (15mph)22km/h (14mph)23km/h (14mph)29km/h (18mph)
Gusts42km/h (26mph)39km/h (24mph)36km/h (22mph)33km/h (20mph)34km/h (21mph)31km/h (19mph)37km/h (23mph)44km/h (28mph)
Direction 244°
WSW
245°
WSW
247°
WSW
246°
WSW
243°
WSW
220°
SW
219°
SW
238°
WSW
Wind chill29°C (83°F)28°C (83°F)28°C (83°F)30°C (85°F)30°C (86°F)30°C (86°F)29°C (84°F)29°C (84°F)
Waves
Height0.9m (2.9ft)0.9m (3.0ft)0.8m (2.8ft)0.8m (2.7ft)0.8m (2.6ft)0.8m (2.5ft)0.7m (2.4ft)0.8m (2.6ft)
Direction 217°
SW
214°
SSW
210°
SSW
219°
SW
232°
SW
234°
SW
230°
SW
223°
SW
Period5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.
Significant height1.3m (4.3ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.3m (4.3ft)
Sea water temperature
Water temperature29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)29°C (83°F)31°C (87°F)

Sea weather on Monday 8 June 2026

On Monday 8 June 2026, the sun will rise at 05:48 and will set at 18:38 on the beach(es) of Ko Samet. The outside temperature will be a high of 86°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 19.3mph km/h (with gusts up to 28.6mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature29°C (83°F)28°C (83°F)28°C (83°F)29°C (83°F)29°C (85°F)30°C (85°F)29°C (84°F)28°C (83°F)
Perceived temperature33°C (91°F)32°C (90°F)32°C (90°F)33°C (91°F)34°C (92°F)34°C (93°F)33°C (92°F)32°C (90°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%76%76%75%72%71%72%75%
Barometric pressure1008 hPa1007 hPa1008 hPa1009 hPa1008 hPa1006 hPa1006 hPa1007 hPa
Cloud cover32%53%67%80%86%77%49%43%
Heat index33°C (91°F)32°C (90°F)32°C (90°F)33°C (91°F)34°C (92°F)34°C (93°F)33°C (92°F)32°C (90°F)
Dew point24°C (75°F)24°C (74°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (74°F)23°C (74°F)
Wind
Speed31km/h (19mph)31km/h (19mph)28km/h (18mph)26km/h (16mph)29km/h (18mph)29km/h (18mph)28km/h (17mph)27km/h (17mph)
Gusts46km/h (29mph)45km/h (28mph)40km/h (25mph)36km/h (22mph)38km/h (24mph)39km/h (24mph)39km/h (24mph)40km/h (25mph)
Direction 250°
WSW
251°
WSW
247°
WSW
242°
WSW
244°
WSW
240°
WSW
250°
WSW
252°
WSW
Wind chill29°C (83°F)28°C (83°F)28°C (83°F)29°C (83°F)29°C (85°F)30°C (85°F)29°C (84°F)28°C (83°F)
Waves
Height0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)
Direction 218°
SW
213°
SSW
228°
SW
232°
SW
226°
SW
223°
SW
220°
SW
211°
SSW
Period5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.
Significant height1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.3m (4.3ft)1.4m (4.6ft)1.4m (4.6ft)
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 9 June 2026

On Tuesday 9 June 2026, the sun will rise at 05:48 and will set at 18:39 on the beach(es) of Ko Samet. 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 28.6mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)
Perceived temperature32°C (89°F)32°C (89°F)32°C (89°F)33°C (92°F)33°C (91°F)32°C (90°F)32°C (90°F)32°C (90°F)
Precipitation0in0in0in0in0.1in0in0in0in
Humidity77%76%75%75%78%78%76%77%
Barometric pressure1007 hPa1006 hPa1007 hPa1007 hPa1007 hPa1005 hPa1006 hPa1008 hPa
Cloud cover64%85%84%91%95%82%69%70%
Heat index32°C (89°F)32°C (89°F)32°C (89°F)33°C (92°F)33°C (91°F)32°C (90°F)32°C (90°F)32°C (90°F)
Dew point24°C (74°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (76°F)24°C (75°F)24°C (74°F)24°C (74°F)
Wind
Speed29km/h (18mph)30km/h (19mph)29km/h (18mph)28km/h (18mph)33km/h (20mph)33km/h (21mph)30km/h (19mph)31km/h (19mph)
Gusts42km/h (26mph)43km/h (27mph)41km/h (26mph)38km/h (23mph)44km/h (27mph)45km/h (28mph)44km/h (27mph)46km/h (29mph)
Direction 249°
WSW
249°
WSW
246°
WSW
240°
WSW
236°
SW
240°
WSW
239°
WSW
240°
WSW
Wind chill28°C (82°F)28°C (82°F)28°C (82°F)29°C (84°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)
Waves
Height1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3.0ft)0.9m (3.0ft)
Direction 212°
SSW
213°
SSW
214°
SW
213°
SSW
211°
SSW
211°
SSW
210°
SSW
208°
SSW
Period5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.5.1 sec.
Significant height1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)
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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