Sea weather in Koh Lanta in Thailand All the beach weather in Koh Lanta

All the essential weather information for enjoying the beach in Koh Lanta 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 Lanta over the next 7 days?

Discover the best moment to go to the beach in Koh Lanta in Thailand this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Koh Lanta. 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 83°Fdiscouraged
Thursday 4 June 202683°F to 85°Fdiscouraged
Friday 5 June 202683°F to 85°Fdiscouraged
Saturday 6 June 202683°F to 85°Fdiscouraged
Sunday 7 June 202681°F to 83°Fdiscouraged
Monday 8 June 202681°F to 83°Fdiscouraged
Tuesday 9 June 202683°F to 85°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Koh Lanta

Sea weather on Wednesday 3 June 2026

On Wednesday 3 June 2026, the sun will rise at 06:06 and will set at 18:38 on the beach(es) of Koh Lanta. 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 20.5mph km/h (with gusts up to 30.5mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)28°C (83°F)28°C (83°F)28°C (83°F)27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)
Perceived temperature32°C (90°F)33°C (91°F)32°C (90°F)32°C (90°F)31°C (88°F)31°C (87°F)31°C (88°F)32°C (89°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%79%76%79%79%81%80%82%
Barometric pressure1011 hPa1008 hPa1009 hPa1011 hPa1010 hPa1008 hPa1008 hPa1010 hPa
Cloud cover84%56%55%54%51%72%60%74%
Heat index32°C (90°F)33°C (91°F)32°C (90°F)32°C (90°F)31°C (88°F)31°C (87°F)31°C (88°F)32°C (89°F)
Dew point24°C (75°F)24°C (76°F)24°C (74°F)24°C (76°F)23°C (74°F)23°C (74°F)24°C (75°F)24°C (76°F)
Wind
Speed31km/h (19mph)30km/h (19mph)29km/h (18mph)28km/h (17mph)31km/h (19mph)33km/h (21mph)29km/h (18mph)32km/h (20mph)
Gusts33km/h (20mph)43km/h (27mph)47km/h (29mph)39km/h (24mph)37km/h (23mph)49km/h (31mph)42km/h (26mph)47km/h (29mph)
Direction 294°
WNW
289°
WNW
286°
WNW
289°
WNW
291°
WNW
283°
WNW
276°
W
278°
W
Wind chill28°C (82°F)28°C (83°F)28°C (83°F)28°C (83°F)27°C (81°F)27°C (81°F)27°C (81°F)28°C (82°F)
Waves
Height0.9m (3.1ft)1.1m (3.5ft)1.0m (3.4ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.2ft)1.0m (3.3ft)
Direction 269°
W
264°
W
258°
WSW
240°
WSW
239°
WSW
240°
WSW
239°
WSW
256°
WSW
Period16.6 sec.16.6 sec.15.5 sec.15.5 sec.15.4 sec.15.2 sec.14.6 sec.14.5 sec.
Significant height1.1m (3.6ft)1.2m (3.9ft)1.1m (3.6ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Thursday 4 June 2026

On Thursday 4 June 2026, the sun will rise at 06:06 and will set at 18:38 on the beach(es) of Koh Lanta. 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 19.3mph 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)28°C (83°F)28°C (82°F)28°C (83°F)28°C (83°F)29°C (84°F)29°C (83°F)29°C (83°F)
Perceived temperature32°C (90°F)32°C (90°F)31°C (89°F)33°C (91°F)32°C (90°F)33°C (91°F)32°C (90°F)33°C (91°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%76%78%77%76%73%74%75%
Barometric pressure1010 hPa1008 hPa1009 hPa1010 hPa1009 hPa1008 hPa1008 hPa1010 hPa
Cloud cover82%60%83%56%71%70%71%84%
Heat index32°C (90°F)32°C (90°F)31°C (89°F)33°C (91°F)32°C (90°F)33°C (91°F)32°C (90°F)33°C (91°F)
Dew point24°C (75°F)24°C (75°F)24°C (74°F)24°C (75°F)24°C (75°F)23°C (74°F)23°C (74°F)24°C (75°F)
Wind
Speed31km/h (19mph)31km/h (19mph)27km/h (17mph)27km/h (17mph)28km/h (18mph)28km/h (18mph)26km/h (16mph)25km/h (15mph)
Gusts34km/h (21mph)44km/h (28mph)39km/h (24mph)38km/h (24mph)45km/h (28mph)43km/h (26mph)39km/h (25mph)39km/h (24mph)
Direction 281°
WNW
279°
W
271°
W
262°
W
269°
W
275°
W
274°
W
281°
W
Wind chill28°C (82°F)28°C (83°F)28°C (82°F)28°C (83°F)28°C (83°F)29°C (84°F)29°C (83°F)29°C (83°F)
Waves
Height1.0m (3.2ft)1.0m (3.4ft)1.0m (3.3ft)0.9m (3.1ft)1.0m (3.2ft)1.0m (3.3ft)0.9m (3.0ft)0.8m (2.6ft)
Direction 261°
W
259°
W
251°
WSW
240°
WSW
240°
WSW
245°
WSW
245°
WSW
242°
WSW
Period14.5 sec.14.5 sec.14.4 sec.14.4 sec.14.4 sec.14.4 sec.14.4 sec.14.4 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Friday 5 June 2026

On Friday 5 June 2026, the sun will rise at 06:06 and will set at 18:39 on the beach(es) of Koh Lanta. 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 16.2mph km/h (with gusts up to 23.6mph). 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 (82°F)28°C (82°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (83°F)28°C (83°F)
Perceived temperature33°C (91°F)32°C (89°F)32°C (90°F)33°C (92°F)32°C (90°F)33°C (92°F)33°C (91°F)33°C (91°F)
Precipitation0in0.1in0in0in0in0in0in0in
Humidity75%79%79%76%72%73%77%77%
Barometric pressure1010 hPa1008 hPa1009 hPa1011 hPa1010 hPa1008 hPa1009 hPa1011 hPa
Cloud cover78%78%78%74%82%86%87%82%
Heat index33°C (91°F)32°C (89°F)32°C (90°F)33°C (92°F)32°C (90°F)33°C (92°F)33°C (91°F)33°C (91°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)23°C (73°F)24°C (75°F)24°C (75°F)24°C (75°F)
Wind
Speed24km/h (15mph)26km/h (16mph)22km/h (14mph)23km/h (14mph)23km/h (14mph)25km/h (15mph)24km/h (15mph)22km/h (14mph)
Gusts36km/h (22mph)38km/h (24mph)23km/h (14mph)32km/h (20mph)36km/h (23mph)36km/h (22mph)36km/h (22mph)34km/h (21mph)
Direction 275°
W
260°
W
252°
WSW
259°
W
266°
W
271°
W
269°
W
266°
W
Wind chill29°C (83°F)28°C (82°F)28°C (82°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (83°F)28°C (83°F)
Waves
Height0.8m (2.6ft)0.9m (2.8ft)0.8m (2.7ft)0.7m (2.3ft)0.7m (2.4ft)0.8m (2.8ft)0.8m (2.6ft)0.7m (2.2ft)
Direction 247°
WSW
248°
WSW
247°
WSW
242°
WSW
243°
WSW
252°
WSW
253°
WSW
253°
WSW
Period17.7 sec.17.4 sec.16.9 sec.16.7 sec.16.7 sec.16.6 sec.16.6 sec.16.4 sec.
Significant height0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.7m (2.3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.7m (2.3ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Saturday 6 June 2026

On Saturday 6 June 2026, the sun will rise at 06:06 and will set at 18:39 on the beach(es) of Koh Lanta. 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 13.7mph km/h (with gusts up to 23.6mph). 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)29°C (83°F)29°C (84°F)28°C (83°F)29°C (83°F)
Perceived temperature32°C (90°F)32°C (90°F)32°C (90°F)33°C (91°F)33°C (91°F)33°C (92°F)32°C (90°F)33°C (91°F)
Precipitation0in0in0.1in0in0in0.1in0in0in
Humidity77%76%79%80%73%73%78%77%
Barometric pressure1011 hPa1009 hPa1010 hPa1012 hPa1011 hPa1010 hPa1010 hPa1012 hPa
Cloud cover72%78%51%75%36%78%74%35%
Heat index32°C (90°F)32°C (90°F)32°C (90°F)33°C (91°F)33°C (91°F)33°C (92°F)32°C (90°F)33°C (91°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)25°C (76°F)23°C (74°F)24°C (75°F)24°C (75°F)24°C (75°F)
Wind
Speed20km/h (13mph)20km/h (12mph)19km/h (12mph)17km/h (11mph)17km/h (11mph)19km/h (12mph)21km/h (13mph)22km/h (14mph)
Gusts35km/h (22mph)29km/h (18mph)32km/h (20mph)24km/h (15mph)30km/h (19mph)28km/h (17mph)38km/h (24mph)34km/h (21mph)
Direction 267°
W
258°
WSW
247°
WSW
245°
WSW
260°
W
271°
W
281°
W
275°
W
Wind chill28°C (83°F)28°C (83°F)28°C (82°F)28°C (83°F)29°C (83°F)29°C (84°F)28°C (83°F)29°C (83°F)
Waves
Height0.6m (2.0ft)0.5m (1.7ft)0.4m (1.4ft)0.4m (1.2ft)0.3m (1.1ft)0.3m (1.0ft)0.3m (1.1ft)0.5m (1.5ft)
Direction 250°
WSW
245°
WSW
249°
WSW
249°
WSW
248°
WSW
245°
WSW
245°
WSW
246°
WSW
Period16.0 sec.15.7 sec.15.6 sec.15.6 sec.15.6 sec.6.2 sec.6.0 sec.15.1 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.5m (1.6ft)0.6m (2ft)0.7m (2.3ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Sunday 7 June 2026

On Sunday 7 June 2026, the sun will rise at 06:06 and will set at 18:39 on the beach(es) of Koh Lanta. The outside temperature will be a high of 83°F t and a low of 81°F. Precipitation is in the forecast (0.7in 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 24.2mph km/h (with gusts up to 27.3mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (83°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)27°C (80°F)28°C (82°F)28°C (82°F)
Perceived temperature33°C (91°F)31°C (88°F)31°C (87°F)31°C (89°F)30°C (86°F)30°C (87°F)32°C (90°F)32°C (90°F)
Precipitation0in0.1in0.1in0.1in0.1in0.1in0.1in0.1in
Humidity77%81%81%83%83%85%81%81%
Barometric pressure1012 hPa1010 hPa1011 hPa1012 hPa1012 hPa1010 hPa1010 hPa1012 hPa
Cloud cover77%71%59%81%76%85%52%58%
Heat index33°C (91°F)31°C (88°F)31°C (87°F)31°C (89°F)30°C (86°F)30°C (87°F)32°C (90°F)32°C (90°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)24°C (74°F)24°C (75°F)24°C (75°F)24°C (76°F)
Wind
Speed22km/h (14mph)20km/h (12mph)20km/h (12mph)23km/h (14mph)26km/h (16mph)29km/h (18mph)39km/h (24mph)35km/h (22mph)
Gusts33km/h (20mph)30km/h (18mph)24km/h (15mph)33km/h (20mph)26km/h (16mph)44km/h (27mph)39km/h (24mph)42km/h (26mph)
Direction 264°
W
266°
W
272°
W
268°
W
279°
W
290°
WNW
260°
W
266°
W
Wind chill28°C (83°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (80°F)27°C (80°F)28°C (82°F)28°C (82°F)
Waves
Height0.6m (2.1ft)0.7m (2.2ft)0.7m (2.2ft)0.7m (2.4ft)1.0m (3.4ft)1.1m (3.6ft)1.0m (3.2ft)1.0m (3.3ft)
Direction 258°
WSW
252°
WSW
252°
WSW
251°
WSW
252°
WSW
252°
WSW
249°
WSW
249°
WSW
Period14.8 sec.14.8 sec.14.7 sec.14.7 sec.14.6 sec.14.5 sec.14.4 sec.14.4 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)1.0m (3.3ft)1.2m (3.9ft)1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Monday 8 June 2026

On Monday 8 June 2026, the sun will rise at 06:06 and will set at 18:39 on the beach(es) of Koh Lanta. The outside temperature will be a high of 83°F t and a low of 81°F. Precipitation is in the forecast (0.4in 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 19.9mph km/h (with gusts up to 28mph). Wave height will be up to 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)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)
Perceived temperature32°C (90°F)33°C (91°F)32°C (90°F)32°C (89°F)32°C (89°F)32°C (89°F)31°C (88°F)31°C (89°F)
Precipitation0in0in0.1in0.1in0.1in0in0in0in
Humidity81%81%82%83%83%77%78%78%
Barometric pressure1012 hPa1010 hPa1010 hPa1011 hPa1010 hPa1009 hPa1009 hPa1011 hPa
Cloud cover65%81%67%49%45%37%33%58%
Heat index32°C (90°F)33°C (91°F)32°C (90°F)32°C (89°F)32°C (89°F)32°C (89°F)31°C (88°F)31°C (89°F)
Dew point24°C (76°F)24°C (76°F)25°C (76°F)25°C (76°F)24°C (76°F)24°C (74°F)24°C (74°F)24°C (74°F)
Wind
Speed32km/h (20mph)29km/h (18mph)30km/h (19mph)25km/h (16mph)23km/h (15mph)27km/h (17mph)28km/h (17mph)29km/h (18mph)
Gusts41km/h (26mph)45km/h (28mph)45km/h (28mph)30km/h (19mph)35km/h (22mph)37km/h (23mph)39km/h (24mph)34km/h (21mph)
Direction 272°
W
269°
W
261°
W
271°
W
276°
W
280°
W
284°
WNW
281°
W
Wind chill28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)
Waves
Height0.9m (3.0ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)
Direction 244°
WSW
243°
WSW
243°
WSW
251°
WSW
251°
WSW
245°
WSW
241°
WSW
250°
WSW
Period14.3 sec.14.2 sec.14.1 sec.13.9 sec.13.7 sec.13.6 sec.13.6 sec.13.6 sec.
Significant height0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather on Tuesday 9 June 2026

On Tuesday 9 June 2026, the sun will rise at 06:06 and will set at 18:40 on the beach(es) of Koh Lanta. 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 18mph km/h (with gusts up to 25.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature28°C (82°F)28°C (82°F)28°C (83°F)29°C (83°F)29°C (84°F)28°C (83°F)28°C (83°F)28°C (83°F)
Perceived temperature32°C (90°F)32°C (90°F)32°C (89°F)32°C (90°F)32°C (90°F)32°C (90°F)32°C (90°F)32°C (90°F)
Precipitation0in0.1in0in0in0in0in0in0in
Humidity79%80%76%74%71%72%74%77%
Barometric pressure1010 hPa1009 hPa1009 hPa1011 hPa1010 hPa1008 hPa1009 hPa1010 hPa
Cloud cover46%55%70%59%48%45%45%37%
Heat index32°C (90°F)32°C (90°F)32°C (89°F)32°C (90°F)32°C (90°F)32°C (90°F)32°C (90°F)32°C (90°F)
Dew point24°C (75°F)24°C (75°F)23°C (74°F)23°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)24°C (74°F)
Wind
Speed29km/h (18mph)28km/h (18mph)27km/h (17mph)27km/h (17mph)28km/h (17mph)27km/h (17mph)25km/h (15mph)19km/h (12mph)
Gusts37km/h (23mph)35km/h (22mph)36km/h (23mph)41km/h (25mph)41km/h (26mph)41km/h (25mph)37km/h (23mph)30km/h (19mph)
Direction 276°
W
263°
W
258°
WSW
259°
W
261°
W
261°
W
256°
WSW
239°
WSW
Wind chill28°C (82°F)28°C (82°F)28°C (83°F)29°C (83°F)29°C (84°F)28°C (83°F)28°C (83°F)28°C (83°F)
Waves
Height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.6m (2.0ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)
Direction 248°
WSW
246°
WSW
248°
WSW
248°
WSW
246°
WSW
246°
WSW
246°
WSW
246°
WSW
Period13.6 sec.13.6 sec.13.7 sec.14.1 sec.14.3 sec.14.3 sec.9.0 sec.6.3 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.6m (2ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)
Sea water temperature
Water temperature30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)30°C (86°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units