Sea weather in Koh Phaluai on the island of Koh Samui All the beach weather in Koh Phaluai

All the essential weather information for enjoying the beach in Koh Phaluai on the island of Koh Samui, 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 Phaluai over the next 7 days?

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

Date Outside temp. Our opinion
Monday 15 December 202579°F to 81°Fdiscouraged
Tuesday 16 December 202577°F to 81°Frecommended
Wednesday 17 December 202579°F to 81°Frecommended
Thursday 18 December 202579°F to 81°Frecommended
Friday 19 December 202579°F to 81°Frecommended
Saturday 20 December 202576°F to 81°Frecommended
Sunday 21 December 202576°F to 81°Frecommended

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

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:28 and will set at 18:03 on the beach(es) of Koh Phaluai. The outside temperature will be a high of 81°F t and a low of 79°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 18mph 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 temperature26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Perceived temperature29°C (84°F)29°C (83°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0.1in0in0in0in
Humidity83%82%82%80%79%81%83%84%
Barometric pressure1012 hPa1010 hPa1010 hPa1013 hPa1012 hPa1009 hPa1010 hPa1013 hPa
Cloud cover88%59%83%50%75%70%79%87%
Heat index29°C (84°F)29°C (83°F)29°C (84°F)29°C (85°F)29°C (84°F)29°C (83°F)29°C (84°F)29°C (84°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (73°F)23°C (73°F)
Wind
Speed15km/h (9mph)15km/h (10mph)13km/h (8mph)20km/h (13mph)29km/h (18mph)25km/h (16mph)23km/h (14mph)19km/h (12mph)
Gusts25km/h (16mph)23km/h (14mph)19km/h (12mph)30km/h (18mph)32km/h (20mph)38km/h (23mph)36km/h (22mph)28km/h (18mph)
Direction 67°
ENE
93°
E
96°
E
82°
E
69°
ENE
72°
ENE
70°
ENE
75°
ENE
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)
Waves
Height0.2m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)0.3m (1.0ft)0.4m (1.2ft)0.4m (1.2ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 60°
ENE
74°
ENE
95°
E
94°
E
79°
ENE
68°
ENE
75°
ENE
73°
ENE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:29 and will set at 18:04 on the beach(es) of Koh Phaluai. The outside temperature will be a high of 81°F t and a low of 77°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 9.3mph km/h (with gusts up to 18mph). Wave height will be up to 0.7ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)27°C (80°F)25°C (76°F)26°C (79°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (83°F)28°C (82°F)29°C (84°F)29°C (84°F)26°C (80°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%81%80%78%72%75%81%84%
Barometric pressure1012 hPa1010 hPa1011 hPa1013 hPa1012 hPa1009 hPa1010 hPa1013 hPa
Cloud cover77%89%84%74%72%71%87%81%
Heat index28°C (83°F)28°C (83°F)28°C (82°F)29°C (84°F)29°C (84°F)26°C (80°F)29°C (84°F)29°C (84°F)
Dew point23°C (73°F)22°C (72°F)22°C (71°F)22°C (72°F)21°C (70°F)20°C (68°F)23°C (73°F)23°C (74°F)
Wind
Speed15km/h (9mph)13km/h (8mph)10km/h (6mph)10km/h (6mph)10km/h (6mph)14km/h (9mph)12km/h (8mph)13km/h (8mph)
Gusts23km/h (14mph)19km/h (12mph)15km/h (9mph)15km/h (9mph)15km/h (9mph)29km/h (18mph)19km/h (12mph)20km/h (12mph)
Direction 75°
ENE
86°
E
90°
E
69°
ENE
50°
NE
48°
NE
47°
NE
46°
NE
Wind chill26°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)27°C (80°F)25°C (76°F)26°C (79°F)26°C (79°F)
Waves
Height0.2m (0.8ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)0.2m (0.5ft)0.2m (0.6ft)0.2m (0.6ft)
Direction 75°
ENE
82°
E
78°
ENE
68°
ENE
53°
NE
59°
ENE
60°
ENE
49°
NE
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:29 and will set at 18:04 on the beach(es) of Koh Phaluai. The outside temperature will be a high of 81°F t and a low of 79°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 5.6mph km/h (with gusts up to 8.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (81°F)26°C (79°F)26°C (79°F)
Perceived temperature29°C (84°F)28°C (83°F)28°C (83°F)29°C (84°F)29°C (83°F)29°C (85°F)28°C (83°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%79%78%76%71%70%77%81%
Barometric pressure1012 hPa1010 hPa1011 hPa1013 hPa1012 hPa1009 hPa1011 hPa1013 hPa
Cloud cover74%81%76%80%20%24%12%78%
Heat index29°C (84°F)28°C (83°F)28°C (83°F)29°C (84°F)29°C (83°F)29°C (85°F)28°C (83°F)29°C (85°F)
Dew point22°C (72°F)22°C (72°F)22°C (71°F)22°C (72°F)21°C (70°F)21°C (70°F)22°C (71°F)23°C (73°F)
Wind
Speed7km/h (4mph)6km/h (4mph)4km/h (3mph)4km/h (2mph)8km/h (5mph)9km/h (5mph)8km/h (5mph)6km/h (4mph)
Gusts11km/h (7mph)9km/h (6mph)7km/h (4mph)5km/h (3mph)12km/h (7mph)13km/h (8mph)14km/h (9mph)10km/h (6mph)
Direction 65°
ENE
63°
ENE
63°
ENE
20°
NNE
12°
NNE
23°
NNE
48°
NE
78°
ENE
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (81°F)26°C (79°F)26°C (79°F)
Waves
Height0.1m (0.4ft)0.4m (1.2ft)0.1m (0.3ft)0.2m (0.5ft)0.5m (1.5ft)0.5m (1.8ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 48°
NE
62°
ENE
74°
ENE
83°
E
87°
E
89°
E
94°
E
92°
E
Period0.1 sec.0.1 sec.0.1 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:30 and will set at 18:04 on the beach(es) of Koh Phaluai. The outside temperature will be a high of 81°F t and a low of 79°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 5.6mph km/h (with gusts up to 8.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (83°F)28°C (83°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%78%77%73%70%71%76%80%
Barometric pressure1012 hPa1010 hPa1011 hPa1013 hPa1012 hPa1009 hPa1010 hPa1012 hPa
Cloud cover79%79%79%74%52%21%28%73%
Heat index28°C (83°F)28°C (83°F)28°C (83°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)29°C (84°F)
Dew point22°C (72°F)22°C (71°F)22°C (71°F)22°C (71°F)21°C (70°F)21°C (69°F)22°C (72°F)22°C (72°F)
Wind
Speed5km/h (3mph)5km/h (3mph)5km/h (3mph)5km/h (3mph)9km/h (6mph)9km/h (6mph)6km/h (4mph)1km/h (1mph)
Gusts8km/h (5mph)7km/h (5mph)7km/h (5mph)7km/h (5mph)14km/h (9mph)14km/h (8mph)10km/h (6mph)2km/h (1mph)
Direction 96°
E
97°
E
100°
E
119°
ESE
102°
ESE
94°
E
80°
E
64°
ENE
Wind chill26°C (79°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)26°C (79°F)
Waves
Height0.2m (0.7ft)0.1m (0.3ft)0.1m (0.4ft)0.5m (1.5ft)0.2m (0.6ft)0.2m (0.7ft)0.3m (1.0ft)0.2m (0.7ft)
Direction 108°
ESE
108°
ESE
109°
ESE
99°
E
107°
ESE
89°
E
74°
ENE
73°
ENE
Period2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.2.0 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)0.4m (1.3ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 06:30 and will set at 18:05 on the beach(es) of Koh Phaluai. The outside temperature will be a high of 81°F t and a low of 79°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 9.9mph km/h (with gusts up to 14.3mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)26°C (78°F)27°C (80°F)27°C (80°F)27°C (81°F)26°C (79°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)29°C (85°F)29°C (83°F)29°C (85°F)29°C (84°F)29°C (84°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%78%78%75%70%70%79%81%
Barometric pressure1011 hPa1010 hPa1010 hPa1012 hPa1011 hPa1008 hPa1009 hPa1010 hPa
Cloud cover70%82%43%87%81%46%70%17%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)29°C (85°F)29°C (83°F)29°C (85°F)29°C (84°F)29°C (84°F)
Dew point22°C (71°F)22°C (71°F)22°C (71°F)22°C (71°F)21°C (69°F)21°C (70°F)22°C (72°F)23°C (73°F)
Wind
Speed3km/h (2mph)4km/h (2mph)5km/h (3mph)9km/h (5mph)10km/h (6mph)16km/h (10mph)12km/h (8mph)8km/h (5mph)
Gusts4km/h (2mph)6km/h (4mph)8km/h (5mph)12km/h (7mph)16km/h (10mph)23km/h (15mph)19km/h (12mph)12km/h (7mph)
Direction 279°
W
305°
NW
343°
NNW
356°
N
14°
NNE
35°
NE
25°
NNE
38°
NE
Wind chill26°C (79°F)26°C (78°F)26°C (78°F)27°C (80°F)27°C (80°F)27°C (81°F)26°C (79°F)26°C (79°F)
Waves
Height0.1m (0.4ft)0.1m (0.3ft)0.1m (0.3ft)0.4m (1.2ft)0.3m (0.9ft)0.2m (0.7ft)0.2m (0.6ft)0.1m (0.3ft)
Direction 75°
ENE
84°
E
103°
ESE
12°
NNE
12°
NNE
19°
NNE
26°
NNE
30°
NNE
Period2.0 sec.2.1 sec.2.1 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)25°C (77°F)27°C (80°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 06:31 and will set at 18:05 on the beach(es) of Koh Phaluai. The outside temperature will be a high of 81°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 9.3mph km/h (with gusts up to 16.2mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)26°C (78°F)27°C (80°F)25°C (77°F)26°C (78°F)26°C (79°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)29°C (84°F)27°C (80°F)28°C (82°F)29°C (83°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%78%77%73%72%73%78%80%
Barometric pressure1010 hPa1009 hPa1009 hPa1011 hPa1010 hPa1008 hPa1008 hPa1010 hPa
Cloud cover13%14%12%9%11%19%10%4%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)29°C (84°F)27°C (80°F)28°C (82°F)29°C (83°F)28°C (83°F)
Dew point22°C (72°F)22°C (71°F)21°C (70°F)21°C (70°F)20°C (67°F)21°C (69°F)22°C (72°F)22°C (72°F)
Wind
Speed4km/h (2mph)4km/h (2mph)5km/h (3mph)9km/h (6mph)13km/h (8mph)15km/h (10mph)14km/h (9mph)10km/h (6mph)
Gusts6km/h (4mph)5km/h (3mph)8km/h (5mph)13km/h (8mph)25km/h (16mph)26km/h (16mph)22km/h (13mph)16km/h (10mph)
Direction 38°
NE
18°
NNE
13°
NNE

N

N
12°
NNE
23°
NNE
37°
NE
Wind chill26°C (79°F)26°C (78°F)26°C (78°F)27°C (80°F)25°C (77°F)26°C (78°F)26°C (79°F)26°C (79°F)
Waves
Height0.3m (1.0ft)0.5m (1.6ft)0.2m (0.7ft)0.3m (1.0ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Direction 29°
NNE
24°
NNE
17°
NNE
12°
NNE
6670°
3343°
20°
NNE
33°
NNE
Period1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.1.9 sec.
Significant height0.2m (0.7ft)0.2m (0.7ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)

Sea weather on Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 06:31 and will set at 18:06 on the beach(es) of Koh Phaluai. The outside temperature will be a high of 81°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 9.3mph km/h (with gusts up to 18.6mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (78°F)26°C (78°F)26°C (78°F)27°C (80°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (79°F)
Perceived temperature28°C (83°F)28°C (82°F)28°C (82°F)29°C (83°F)27°C (80°F)27°C (80°F)28°C (82°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%77%76%71%69%71%75%78%
Barometric pressure1010 hPa1009 hPa1009 hPa1011 hPa1010 hPa1009 hPa1009 hPa1011 hPa
Cloud cover2%3%5%6%7%7%5%4%
Heat index28°C (83°F)28°C (82°F)28°C (82°F)29°C (83°F)27°C (80°F)27°C (80°F)28°C (82°F)28°C (83°F)
Dew point22°C (71°F)21°C (70°F)21°C (70°F)21°C (69°F)19°C (66°F)19°C (67°F)21°C (70°F)22°C (71°F)
Wind
Speed6km/h (4mph)5km/h (3mph)8km/h (5mph)11km/h (7mph)14km/h (9mph)15km/h (10mph)15km/h (10mph)13km/h (8mph)
Gusts9km/h (5mph)8km/h (5mph)11km/h (7mph)15km/h (9mph)26km/h (16mph)30km/h (19mph)26km/h (16mph)19km/h (12mph)
Direction 37°
NE
14°
NNE

N

N

N
25°
NNE
36°
NE
42°
NE
Wind chill26°C (78°F)26°C (78°F)26°C (78°F)27°C (80°F)25°C (77°F)25°C (77°F)26°C (78°F)26°C (79°F)
Waves
Height0.2m (0.7ft)0.4m (1.3ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Direction 36°
NE
32°
NNE
23°
NNE
14°
NNE

N

N
20°
NNE
29°
NNE
Period1.9 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.
Significant height0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.4m (1.3ft)0.5m (1.6ft)0.6m (2ft)0.4m (1.3ft)
Sea water temperature
Water temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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