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
Thursday 29 January 202676°F to 83°Fdiscouraged
Friday 30 January 202676°F to 85°Fdiscouraged
Saturday 31 January 202676°F to 83°Fdiscouraged
Sunday 1 February 202676°F to 85°Fdiscouraged
Monday 2 February 202676°F to 86°Fdiscouraged
Tuesday 3 February 202676°F to 83°Fdiscouraged
Wednesday 4 February 202676°F to 86°Fdiscouraged

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

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 06:43 and will set at 18:30 on the beach(es) of Koh Lanta. The outside temperature will be a high of 83°F t and a low of 76°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 25.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (77°F)25°C (76°F)26°C (79°F)25°C (77°F)28°C (83°F)28°C (83°F)26°C (79°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (80°F)28°C (83°F)26°C (79°F)30°C (87°F)31°C (87°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%78%81%74%61%64%66%71%
Barometric pressure1013 hPa1012 hPa1012 hPa1014 hPa1013 hPa1010 hPa1010 hPa1013 hPa
Cloud cover8%7%9%7%7%19%22%14%
Heat index28°C (82°F)27°C (81°F)27°C (80°F)28°C (83°F)26°C (79°F)30°C (87°F)31°C (87°F)28°C (83°F)
Dew point21°C (69°F)21°C (70°F)21°C (70°F)21°C (70°F)17°C (62°F)21°C (69°F)21°C (70°F)21°C (69°F)
Wind
Speed29km/h (18mph)25km/h (16mph)21km/h (13mph)24km/h (15mph)12km/h (7mph)15km/h (9mph)21km/h (13mph)29km/h (18mph)
Gusts40km/h (25mph)34km/h (21mph)29km/h (18mph)30km/h (19mph)24km/h (15mph)22km/h (14mph)30km/h (19mph)41km/h (26mph)
Direction 68°
ENE
70°
ENE
67°
ENE
75°
ENE
122°
ESE
184°
S
82°
E
73°
ENE
Wind chill26°C (78°F)25°C (77°F)25°C (76°F)26°C (79°F)25°C (77°F)28°C (83°F)28°C (83°F)26°C (79°F)
Waves
Height0.8m (2.7ft)0.7m (2.2ft)0.4m (1.3ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.5ft)0.1m (0.5ft)0.7m (2.2ft)
Direction 74°
ENE
74°
ENE
75°
ENE
74°
ENE
78°
ENE
196°
SSW
183°
S
73°
ENE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.2.5 sec.2.4 sec.1.9 sec.1.9 sec.
Significant height1.1m (3.6ft)0.9m (3ft)0.6m (2ft)0.6m (2ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature28°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)28°C (83°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 06:43 and will set at 18:31 on the beach(es) of Koh Lanta. The outside temperature will be a high of 85°F t and a low of 76°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 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)25°C (78°F)27°C (81°F)28°C (82°F)26°C (79°F)
Perceived temperature28°C (82°F)27°C (81°F)27°C (80°F)28°C (82°F)26°C (80°F)29°C (83°F)30°C (86°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%77%80%73%58%59%64%73%
Barometric pressure1013 hPa1012 hPa1012 hPa1015 hPa1013 hPa1009 hPa1011 hPa1014 hPa
Cloud cover10%10%10%6%5%12%10%13%
Heat index28°C (82°F)27°C (81°F)27°C (80°F)28°C (82°F)26°C (80°F)29°C (83°F)30°C (86°F)28°C (83°F)
Dew point21°C (70°F)21°C (69°F)21°C (70°F)21°C (69°F)17°C (62°F)19°C (65°F)20°C (69°F)21°C (70°F)
Wind
Speed22km/h (14mph)22km/h (14mph)24km/h (15mph)23km/h (15mph)9km/h (5mph)9km/h (6mph)16km/h (10mph)27km/h (17mph)
Gusts31km/h (19mph)31km/h (19mph)33km/h (20mph)31km/h (19mph)18km/h (11mph)19km/h (12mph)28km/h (18mph)38km/h (23mph)
Direction 63°
ENE
57°
ENE
63°
ENE
72°
ENE
108°
ESE
151°
SSE
93°
E
71°
ENE
Wind chill26°C (78°F)25°C (77°F)25°C (77°F)26°C (79°F)25°C (78°F)27°C (81°F)28°C (82°F)26°C (79°F)
Waves
Height0.6m (2.0ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.5ft)0.3m (0.9ft)0.1m (0.5ft)0.4m (1.2ft)0.6m (1.9ft)
Direction 72°
ENE
69°
ENE
66°
ENE
69°
ENE
73°
ENE
74°
ENE
232°
SW
65°
ENE
Period1.9 sec.1.9 sec.1.9 sec.1.9 sec.3.0 sec.2.6 sec.1.6 sec.1.6 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)1.1m (3.6ft)
Sea water temperature
Water temperature28°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)28°C (83°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 06:43 and will set at 18:31 on the beach(es) of Koh Lanta. The outside temperature will be a high of 83°F t and a low of 76°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 14.9mph km/h (with gusts up to 21.8mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)24°C (76°F)24°C (76°F)26°C (79°F)24°C (76°F)28°C (82°F)28°C (83°F)27°C (80°F)
Perceived temperature27°C (81°F)26°C (80°F)26°C (79°F)28°C (83°F)26°C (78°F)30°C (86°F)30°C (86°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%84%85%76%64%62%62%72%
Barometric pressure1014 hPa1012 hPa1012 hPa1015 hPa1013 hPa1010 hPa1011 hPa1013 hPa
Cloud cover5%8%7%3%4%21%17%6%
Heat index27°C (81°F)26°C (80°F)26°C (79°F)28°C (83°F)26°C (78°F)30°C (86°F)30°C (86°F)29°C (84°F)
Dew point21°C (71°F)22°C (71°F)22°C (71°F)21°C (70°F)17°C (63°F)20°C (68°F)20°C (68°F)21°C (70°F)
Wind
Speed19km/h (12mph)18km/h (11mph)19km/h (12mph)19km/h (12mph)12km/h (7mph)16km/h (10mph)4km/h (2mph)24km/h (15mph)
Gusts27km/h (17mph)26km/h (16mph)28km/h (17mph)25km/h (15mph)25km/h (16mph)23km/h (14mph)6km/h (3mph)35km/h (21mph)
Direction 63°
ENE
58°
ENE
65°
ENE
76°
ENE
173°
S
223°
SW
157°
SSE
60°
ENE
Wind chill25°C (77°F)24°C (76°F)24°C (76°F)26°C (79°F)24°C (76°F)28°C (82°F)28°C (83°F)27°C (80°F)
Waves
Height0.5m (1.8ft)0.5m (1.6ft)0.4m (1.4ft)0.3m (1.0ft)0.2m (0.6ft)0.1m (0.5ft)0.5m (1.8ft)0.2m (0.7ft)
Direction 68°
ENE
70°
ENE
74°
ENE
77°
ENE
82°
E
222°
SW
232°
SW
67°
ENE
Period1.6 sec.1.6 sec.1.6 sec.1.6 sec.2.5 sec.2.4 sec.1.8 sec.1.7 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)0.3m (1ft)0.4m (1.3ft)0.1m (0.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature28°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)28°C (83°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 06:43 and will set at 18:31 on the beach(es) of Koh Lanta. The outside temperature will be a high of 85°F t and a low of 76°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 25.5mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (76°F)24°C (76°F)26°C (79°F)25°C (78°F)29°C (84°F)28°C (83°F)26°C (80°F)
Perceived temperature28°C (82°F)27°C (80°F)26°C (80°F)28°C (83°F)27°C (80°F)31°C (88°F)31°C (87°F)29°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%85%87%77%62%62%63%73%
Barometric pressure1013 hPa1012 hPa1013 hPa1015 hPa1013 hPa1010 hPa1011 hPa1014 hPa
Cloud cover7%9%14%13%6%19%5%5%
Heat index28°C (82°F)27°C (80°F)26°C (80°F)28°C (83°F)27°C (80°F)31°C (88°F)31°C (87°F)29°C (83°F)
Dew point22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)18°C (64°F)21°C (70°F)21°C (69°F)21°C (70°F)
Wind
Speed18km/h (11mph)17km/h (10mph)18km/h (11mph)22km/h (14mph)8km/h (5mph)13km/h (8mph)28km/h (17mph)29km/h (18mph)
Gusts26km/h (16mph)24km/h (15mph)26km/h (16mph)29km/h (18mph)17km/h (11mph)20km/h (12mph)33km/h (20mph)41km/h (25mph)
Direction 69°
ENE
55°
NE
53°
NE
60°
ENE
129°
SE
185°
S
81°
E
71°
ENE
Wind chill25°C (78°F)25°C (76°F)24°C (76°F)26°C (79°F)25°C (78°F)29°C (84°F)28°C (83°F)26°C (80°F)
Waves
Height0.3m (1.1ft)0.3m (1.0ft)0.3m (0.9ft)0.3m (1.0ft)0.2m (0.7ft)0.1m (0.5ft)0.2m (0.8ft)0.8m (2.5ft)
Direction 75°
ENE
76°
ENE
60°
ENE
66°
ENE
76°
ENE
232°
SW
97°
E
73°
ENE
Period1.7 sec.1.7 sec.1.7 sec.1.7 sec.2.6 sec.2.3 sec.2.2 sec.2.2 sec.
Significant height0.7m (2.3ft)0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.9m (3ft)1.2m (3.9ft)
Sea water temperature
Water temperature28°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)28°C (83°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 06:43 and will set at 18:32 on the beach(es) of Koh Lanta. The outside temperature will be a high of 86°F t and a low of 76°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 22.4mph km/h (with gusts up to 29.2mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)25°C (77°F)24°C (76°F)26°C (78°F)25°C (78°F)30°C (85°F)28°C (82°F)26°C (79°F)
Perceived temperature28°C (82°F)27°C (80°F)26°C (79°F)28°C (82°F)27°C (80°F)32°C (89°F)30°C (86°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%76%82%76%60%58%64%72%
Barometric pressure1014 hPa1012 hPa1013 hPa1015 hPa1013 hPa1010 hPa1011 hPa1013 hPa
Cloud cover7%3%1%3%3%20%3%1%
Heat index28°C (82°F)27°C (80°F)26°C (79°F)28°C (82°F)27°C (80°F)32°C (89°F)30°C (86°F)28°C (83°F)
Dew point21°C (70°F)21°C (69°F)21°C (70°F)21°C (70°F)17°C (63°F)20°C (69°F)20°C (69°F)21°C (69°F)
Wind
Speed24km/h (15mph)20km/h (13mph)18km/h (11mph)19km/h (12mph)12km/h (8mph)18km/h (11mph)36km/h (22mph)36km/h (22mph)
Gusts33km/h (21mph)29km/h (18mph)26km/h (16mph)25km/h (15mph)26km/h (16mph)30km/h (19mph)41km/h (26mph)47km/h (29mph)
Direction 68°
ENE
63°
ENE
67°
ENE
67°
ENE
109°
ESE
123°
ESE
76°
ENE
77°
ENE
Wind chill26°C (78°F)25°C (77°F)24°C (76°F)26°C (78°F)25°C (78°F)30°C (85°F)28°C (82°F)26°C (79°F)
Waves
Height0.7m (2.5ft)0.5m (1.7ft)0.4m (1.4ft)0.4m (1.2ft)0.2m (0.8ft)0.2m (0.5ft)0.5m (1.7ft)0.9m (3.0ft)
Direction 73°
ENE
73°
ENE
73°
ENE
76°
ENE
78°
ENE
105°
ESE
98°
E
72°
ENE
Period2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.2 sec.
Significant height1.0m (3.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.4m (1.3ft)0.9m (3ft)1.4m (4.6ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)28°C (83°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 06:43 and will set at 18:32 on the beach(es) of Koh Lanta. The outside temperature will be a high of 83°F t and a low of 76°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 19.9mph 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 temperature26°C (78°F)25°C (77°F)24°C (75°F)26°C (79°F)26°C (80°F)27°C (81°F)27°C (81°F)26°C (78°F)
Perceived temperature28°C (82°F)27°C (80°F)26°C (79°F)28°C (82°F)28°C (82°F)29°C (83°F)29°C (83°F)28°C (82°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%75%80%71%60%56%63%72%
Barometric pressure1014 hPa1013 hPa1013 hPa1015 hPa1013 hPa1011 hPa1011 hPa1014 hPa
Cloud cover0%0%0%1%5%8%3%1%
Heat index28°C (82°F)27°C (80°F)26°C (79°F)28°C (82°F)28°C (82°F)29°C (83°F)29°C (83°F)28°C (82°F)
Dew point20°C (69°F)20°C (69°F)20°C (69°F)20°C (68°F)18°C (65°F)18°C (64°F)19°C (67°F)20°C (68°F)
Wind
Speed31km/h (19mph)24km/h (15mph)21km/h (13mph)25km/h (15mph)21km/h (13mph)24km/h (15mph)32km/h (20mph)31km/h (19mph)
Gusts43km/h (27mph)35km/h (21mph)30km/h (19mph)33km/h (21mph)24km/h (15mph)28km/h (17mph)37km/h (23mph)41km/h (26mph)
Direction 75°
ENE
71°
ENE
64°
ENE
73°
ENE
96°
E
82°
E
72°
ENE
74°
ENE
Wind chill26°C (78°F)25°C (77°F)24°C (75°F)26°C (79°F)26°C (80°F)27°C (81°F)27°C (81°F)26°C (78°F)
Waves
Height0.9m (3.0ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.4m (1.3ft)0.3m (1.0ft)0.7m (2.3ft)0.9m (3.0ft)
Direction 72°
ENE
70°
ENE
72°
ENE
75°
ENE
78°
ENE
78°
ENE
68°
ENE
68°
ENE
Period2.2 sec.2.2 sec.2.2 sec.2.2 sec.2.6 sec.3.0 sec.3.7 sec.4.1 sec.
Significant height1.2m (3.9ft)1.0m (3.3ft)0.8m (2.6ft)0.9m (3ft)0.5m (1.6ft)0.6m (2ft)1.2m (3.9ft)1.3m (4.3ft)
Sea water temperature
Water temperature28°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)28°C (83°F)

Sea weather on Wednesday 4 February 2026

On Wednesday 4 February 2026, the sun will rise at 06:43 and will set at 18:32 on the beach(es) of Koh Lanta. The outside temperature will be a high of 86°F t and a low of 76°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 24.9mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (78°F)25°C (77°F)24°C (76°F)26°C (79°F)27°C (80°F)29°C (83°F)28°C (83°F)27°C (80°F)
Perceived temperature27°C (81°F)27°C (80°F)26°C (80°F)29°C (83°F)28°C (83°F)31°C (88°F)31°C (88°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity75%77%81%72%64%63%68%75%
Barometric pressure1014 hPa1013 hPa1013 hPa1014 hPa1013 hPa1010 hPa1011 hPa1013 hPa
Cloud cover11%18%20%17%12%23%19%10%
Heat index27°C (81°F)27°C (80°F)26°C (80°F)29°C (83°F)28°C (83°F)31°C (88°F)31°C (88°F)29°C (84°F)
Dew point21°C (69°F)21°C (69°F)21°C (70°F)21°C (70°F)19°C (66°F)21°C (69°F)22°C (71°F)22°C (71°F)
Wind
Speed26km/h (16mph)19km/h (12mph)18km/h (11mph)20km/h (13mph)16km/h (10mph)15km/h (9mph)24km/h (15mph)27km/h (17mph)
Gusts35km/h (22mph)27km/h (17mph)26km/h (16mph)27km/h (17mph)28km/h (17mph)27km/h (17mph)39km/h (24mph)40km/h (25mph)
Direction 74°
ENE
70°
ENE
67°
ENE
80°
E
126°
SE
146°
SSE
97°
E
76°
ENE
Wind chill25°C (78°F)25°C (77°F)24°C (76°F)26°C (79°F)27°C (80°F)29°C (83°F)28°C (83°F)27°C (80°F)
Waves
Height0.8m (2.6ft)0.7m (2.3ft)0.6m (2.0ft)0.6m (2.0ft)0.4m (1.3ft)0.2m (0.7ft)0.5m (1.6ft)0.6m (2.0ft)
Direction 72°
ENE
74°
ENE
73°
ENE
75°
ENE
75°
ENE
82°
E
71°
ENE
69°
ENE
Period4.1 sec.4.1 sec.4.1 sec.4.1 sec.3.3 sec.2.8 sec.2.7 sec.2.7 sec.
Significant height1.1m (3.6ft)1.0m (3.3ft)1.0m (3.3ft)0.8m (2.6ft)0.6m (2ft)0.4m (1.3ft)0.9m (3ft)1.0m (3.3ft)
Sea water temperature
Water temperature28°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)28°C (83°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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