Sea weather in Si Racha in Thailand All the beach weather in Si Racha

All the essential weather information for enjoying the beach in Si Racha 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 Si Racha over the next 7 days?

Discover the best moment to go to the beach in Si Racha in Thailand this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Si Racha. 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 202576°F to 83°Fdiscouraged
Tuesday 16 December 202574°F to 83°Frecommended
Wednesday 17 December 202574°F to 83°Fdiscouraged
Thursday 18 December 202577°F to 83°Fdiscouraged
Friday 19 December 202574°F to 81°Fdiscouraged
Saturday 20 December 202576°F to 81°Frecommended
Sunday 21 December 202577°F to 81°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Si Racha

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 06:30 and will set at 17:53 on the beach(es) of Si Racha. 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 21.1mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (78°F)25°C (76°F)25°C (76°F)26°C (79°F)28°C (82°F)28°C (82°F)27°C (81°F)
Perceived temperature29°C (84°F)27°C (81°F)26°C (79°F)26°C (79°F)28°C (82°F)30°C (86°F)30°C (87°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%72%73%71%65%66%68%69%
Barometric pressure1012 hPa1011 hPa1012 hPa1014 hPa1013 hPa1010 hPa1011 hPa1013 hPa
Cloud cover45%21%22%24%26%21%22%20%
Heat index29°C (84°F)27°C (81°F)26°C (79°F)26°C (79°F)28°C (82°F)30°C (86°F)30°C (87°F)29°C (85°F)
Dew point22°C (71°F)20°C (68°F)19°C (67°F)19°C (66°F)19°C (66°F)21°C (69°F)21°C (71°F)21°C (70°F)
Wind
Speed22km/h (14mph)22km/h (14mph)22km/h (13mph)24km/h (15mph)20km/h (12mph)13km/h (8mph)17km/h (11mph)15km/h (9mph)
Gusts34km/h (21mph)32km/h (20mph)31km/h (19mph)31km/h (19mph)30km/h (19mph)21km/h (13mph)29km/h (18mph)26km/h (16mph)
Direction 34°
NNE
56°
ENE
52°
NE
55°
NE
43°
NE
38°
NE
77°
ENE
64°
ENE
Wind chill27°C (80°F)26°C (78°F)25°C (76°F)25°C (76°F)26°C (79°F)28°C (82°F)28°C (82°F)27°C (81°F)
Waves
Height0.3m (0.9ft)0.3m (1.1ft)0.3m (1.1ft)0.4m (1.2ft)0.3m (1.0ft)0.2m (0.6ft)0.2m (0.7ft)0.1m (0.4ft)
Direction 30°
NNE
30°
NNE
40°
NE
45°
NE
42°
NE
34°
NNE
48°
NE
47°
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 height0.6m (2ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)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)25°C (77°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 06:31 and will set at 17:53 on the beach(es) of Si Racha. The outside temperature will be a high of 83°F t and a low of 74°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 12.4mph km/h (with gusts up to 16.8mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)25°C (77°F)26°C (78°F)24°C (74°F)26°C (79°F)27°C (81°F)28°C (82°F)
Perceived temperature28°C (83°F)27°C (81°F)27°C (80°F)27°C (81°F)25°C (77°F)27°C (81°F)29°C (85°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%67%67%65%61%61%65%64%
Barometric pressure1012 hPa1011 hPa1012 hPa1014 hPa1012 hPa1009 hPa1010 hPa1013 hPa
Cloud cover17%19%16%13%10%13%13%13%
Heat index28°C (83°F)27°C (81°F)27°C (80°F)27°C (81°F)25°C (77°F)27°C (81°F)29°C (85°F)30°C (85°F)
Dew point21°C (69°F)19°C (66°F)19°C (66°F)19°C (66°F)16°C (60°F)18°C (64°F)20°C (68°F)20°C (69°F)
Wind
Speed15km/h (9mph)15km/h (10mph)18km/h (11mph)20km/h (12mph)12km/h (7mph)9km/h (6mph)4km/h (3mph)8km/h (5mph)
Gusts24km/h (15mph)24km/h (15mph)27km/h (17mph)26km/h (16mph)24km/h (15mph)20km/h (12mph)9km/h (5mph)14km/h (9mph)
Direction 60°
ENE
57°
ENE
41°
NE
38°
NE
353°
N
299°
WNW
348°
NNW
36°
NE
Wind chill26°C (79°F)26°C (78°F)25°C (77°F)26°C (78°F)24°C (74°F)26°C (79°F)27°C (81°F)28°C (82°F)
Waves
Height0.3m (1.1ft)0.1m (0.5ft)0.2m (0.7ft)0.2m (0.8ft)0.2m (0.7ft)0.1m (0.5ft)0.3m (0.9ft)0.3m (1.1ft)
Direction 57°
ENE
45°
NE
32°
NNE
28°
NNE
24°
NNE
318°
NW
298°
WNW
287°
WNW
Period0.1 sec.0.1 sec.0.1 sec.0.1 sec.0.1 sec.2.3 sec.1.8 sec.1.8 sec.
Significant height0.3m (1ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)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 Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 06:32 and will set at 17:53 on the beach(es) of Si Racha. The outside temperature will be a high of 83°F t and a low of 74°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 13.1mph km/h (with gusts up to 17.4mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (79°F)26°C (78°F)26°C (79°F)24°C (76°F)27°C (80°F)28°C (82°F)28°C (82°F)
Perceived temperature29°C (84°F)28°C (82°F)27°C (81°F)28°C (82°F)26°C (79°F)28°C (83°F)31°C (87°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%70%69%67%65%62%67%66%
Barometric pressure1012 hPa1011 hPa1012 hPa1014 hPa1012 hPa1009 hPa1011 hPa1013 hPa
Cloud cover14%12%14%10%7%8%18%16%
Heat index29°C (84°F)28°C (82°F)27°C (81°F)28°C (82°F)26°C (79°F)28°C (83°F)31°C (87°F)30°C (86°F)
Dew point21°C (69°F)20°C (68°F)19°C (67°F)20°C (67°F)17°C (63°F)19°C (66°F)21°C (70°F)21°C (69°F)
Wind
Speed14km/h (9mph)14km/h (9mph)15km/h (10mph)21km/h (13mph)13km/h (8mph)4km/h (3mph)5km/h (3mph)14km/h (9mph)
Gusts23km/h (15mph)23km/h (14mph)24km/h (15mph)28km/h (18mph)28km/h (17mph)9km/h (6mph)9km/h (6mph)25km/h (16mph)
Direction 45°
NE
44°
NE
37°
NE
50°
NE
38°
NE
297°
WNW
311°
NW
52°
NE
Wind chill27°C (80°F)26°C (79°F)26°C (78°F)26°C (79°F)24°C (76°F)27°C (80°F)28°C (82°F)28°C (82°F)
Waves
Height0.2m (0.7ft)0.5m (1.7ft)0.1m (0.4ft)0.2m (0.8ft)0.2m (0.7ft)0.1m (0.4ft)0.1m (0.5ft)0.1m (0.5ft)
Direction 31°
NNE
38°
NE
35°
NE
21°
NNE
21°
NNE

N
325°
NW
53°
NE
Period1.8 sec.1.8 sec.1.8 sec.1.8 sec.1.8 sec.2.3 sec.2.3 sec.2.3 sec.
Significant height0.3m (1ft)0.3m (1ft)0.3m (1ft)0.6m (2ft)0.4m (1.3ft)0.1m (0.3ft)0.2m (0.7ft)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 Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 06:32 and will set at 17:54 on the beach(es) of Si Racha. The outside temperature will be a high of 83°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 16.2mph km/h (with gusts up to 21.8mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (79°F)25°C (77°F)25°C (78°F)27°C (80°F)28°C (83°F)28°C (82°F)27°C (81°F)
Perceived temperature29°C (84°F)28°C (82°F)27°C (80°F)27°C (81°F)28°C (83°F)30°C (87°F)30°C (87°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%72%72%70%65%65%69%67%
Barometric pressure1012 hPa1011 hPa1012 hPa1014 hPa1012 hPa1009 hPa1010 hPa1012 hPa
Cloud cover12%17%23%24%20%19%35%47%
Heat index29°C (84°F)28°C (82°F)27°C (80°F)27°C (81°F)28°C (83°F)30°C (87°F)30°C (87°F)29°C (85°F)
Dew point21°C (70°F)21°C (69°F)20°C (68°F)20°C (67°F)20°C (67°F)21°C (70°F)22°C (71°F)21°C (69°F)
Wind
Speed14km/h (9mph)22km/h (13mph)23km/h (15mph)26km/h (16mph)16km/h (10mph)8km/h (5mph)2km/h (1mph)13km/h (8mph)
Gusts25km/h (15mph)34km/h (21mph)35km/h (22mph)34km/h (21mph)25km/h (16mph)12km/h (8mph)4km/h (2mph)21km/h (13mph)
Direction 52°
NE
56°
ENE
59°
ENE
51°
NE
34°
NNE
10°
N
357°
N
47°
NE
Wind chill27°C (80°F)26°C (79°F)25°C (77°F)25°C (78°F)27°C (80°F)28°C (83°F)28°C (82°F)27°C (81°F)
Waves
Height0.1m (0.5ft)0.2m (0.8ft)0.4m (1.2ft)0.4m (1.4ft)0.3m (1.0ft)0.2m (0.5ft)0.2m (0.6ft)0.2m (0.7ft)
Direction 51°
NE
39°
NE
35°
NE
43°
NE
45°
NE
27°
NNE
42°
NE
50°
NE
Period2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.
Significant height0.3m (1ft)0.6m (2ft)0.7m (2.3ft)0.8m (2.6ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)
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 06:33 and will set at 17:54 on the beach(es) of Si Racha. The outside temperature will be a high of 81°F t and a low of 74°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 13.1mph km/h (with gusts up to 20.5mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature26°C (79°F)26°C (78°F)25°C (77°F)26°C (78°F)24°C (74°F)26°C (78°F)27°C (80°F)27°C (81°F)
Perceived temperature28°C (82°F)27°C (81°F)26°C (79°F)27°C (80°F)25°C (77°F)27°C (80°F)28°C (83°F)29°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity68%67%69%64%59%60%65%63%
Barometric pressure1012 hPa1010 hPa1011 hPa1013 hPa1011 hPa1008 hPa1008 hPa1010 hPa
Cloud cover31%8%4%3%1%0%7%15%
Heat index28°C (82°F)27°C (81°F)26°C (79°F)27°C (80°F)25°C (77°F)27°C (80°F)28°C (83°F)29°C (83°F)
Dew point20°C (68°F)19°C (66°F)19°C (66°F)18°C (65°F)15°C (59°F)17°C (63°F)20°C (67°F)19°C (67°F)
Wind
Speed16km/h (10mph)21km/h (13mph)19km/h (12mph)21km/h (13mph)14km/h (9mph)10km/h (6mph)3km/h (2mph)10km/h (6mph)
Gusts26km/h (16mph)33km/h (21mph)29km/h (18mph)28km/h (17mph)29km/h (18mph)22km/h (14mph)7km/h (4mph)18km/h (11mph)
Direction 58°
ENE
57°
ENE
44°
NE
38°
NE
343°
NNW
285°
WNW
297°
WNW
13°
NNE
Wind chill26°C (79°F)26°C (78°F)25°C (77°F)26°C (78°F)24°C (74°F)26°C (78°F)27°C (80°F)27°C (81°F)
Waves
Height0.2m (0.8ft)0.3m (0.9ft)0.3m (1.0ft)0.2m (0.7ft)0.2m (0.5ft)0.1m (0.5ft)0.3m (0.8ft)0.2m (0.7ft)
Direction 45°
NE
47°
NE
38°
NE
50°
NE
241°
WSW
274°
W
272°
W
269°
W
Period2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.
Significant height0.5m (1.6ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)
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)27°C (81°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 06:33 and will set at 17:55 on the beach(es) of Si Racha. 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 10.6mph km/h (with gusts up to 14.9mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (78°F)25°C (77°F)26°C (78°F)25°C (77°F)26°C (79°F)27°C (81°F)27°C (81°F)
Perceived temperature28°C (82°F)27°C (81°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity64%63%62%58%54%53%55%55%
Barometric pressure1010 hPa1009 hPa1010 hPa1012 hPa1011 hPa1008 hPa1008 hPa1010 hPa
Cloud cover6%0%0%0%0%0%2%2%
Heat index28°C (82°F)27°C (81°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (83°F)
Dew point19°C (66°F)18°C (65°F)17°C (63°F)17°C (62°F)15°C (59°F)16°C (60°F)17°C (63°F)17°C (63°F)
Wind
Speed13km/h (8mph)14km/h (9mph)15km/h (9mph)17km/h (10mph)14km/h (9mph)10km/h (6mph)7km/h (4mph)11km/h (7mph)
Gusts23km/h (14mph)24km/h (15mph)24km/h (15mph)23km/h (14mph)24km/h (15mph)22km/h (14mph)14km/h (9mph)21km/h (13mph)
Direction 45°
NE
56°
NE
40°
NE
30°
NNE
224°
SW
301°
WNW
329°
NNW
124°
SE
Wind chill27°C (80°F)26°C (78°F)25°C (77°F)26°C (78°F)25°C (77°F)26°C (79°F)27°C (81°F)27°C (81°F)
Waves
Height0.2m (0.7ft)0.3m (1.0ft)0.4m (1.3ft)0.2m (0.7ft)0.4m (1.3ft)0.6m (2.0ft)0.2m (0.7ft)0.1m (0.3ft)
Direction 274°
W
280°
W
287°
WNW
126°
SE
212°
SSW
293°
WNW
289°
WNW
6762°
Period1.9 sec.1.8 sec.2.1 sec.2.4 sec.2.5 sec.2.5 sec.2.5 sec.2.5 sec.
Significant height0.1m (0.3ft)0.1m (0.3ft)0.2m (0.7ft)0.3m (1ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)
Sea water temperature
Water temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)

Sea weather on Sunday 21 December 2025

On Sunday 21 December 2025, the sun will rise at 06:34 and will set at 17:55 on the beach(es) of Si Racha. 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 13.1mph km/h (with gusts up to 19.9mph). 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)25°C (77°F)26°C (78°F)25°C (78°F)26°C (79°F)27°C (81°F)27°C (81°F)
Perceived temperature27°C (81°F)27°C (80°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (83°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity56%57%58%55%53%52%55%56%
Barometric pressure1010 hPa1009 hPa1010 hPa1012 hPa1011 hPa1009 hPa1009 hPa1011 hPa
Cloud cover1%0%0%0%0%0%2%6%
Heat index27°C (81°F)27°C (80°F)26°C (79°F)27°C (80°F)26°C (79°F)27°C (80°F)28°C (82°F)28°C (83°F)
Dew point17°C (62°F)16°C (62°F)16°C (61°F)16°C (61°F)15°C (59°F)15°C (60°F)17°C (63°F)18°C (64°F)
Wind
Speed16km/h (10mph)17km/h (11mph)19km/h (12mph)21km/h (13mph)12km/h (7mph)8km/h (5mph)8km/h (5mph)13km/h (8mph)
Gusts28km/h (18mph)31km/h (19mph)32km/h (20mph)29km/h (18mph)19km/h (12mph)16km/h (10mph)16km/h (10mph)24km/h (15mph)
Direction 44°
NE
59°
ENE
51°
NE
42°
NE
35°
NE
200°
SSW
304°
NW
124°
ESE
Wind chill26°C (79°F)26°C (78°F)25°C (77°F)26°C (78°F)25°C (78°F)26°C (79°F)27°C (81°F)27°C (81°F)
Waves
Height0.3m (1.0ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.4m (1.3ft)0.5m (1.6ft)0.2m (0.7ft)0.3m (1.0ft)
Direction 9999°
9999°
9999°
3541°
312°
NW
310°
NW
309°
NW
301°
WNW
Period2.5 sec.2.5 sec.2.5 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.2.4 sec.
Significant height0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.2m (0.7ft)0.1m (0.3ft)0.1m (0.3ft)0.1m (0.3ft)
Sea water temperature
Water temperature27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)27°C (81°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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