Sea weather in Cha-am in Thailand All the beach weather in Cha-am
All the essential weather information for enjoying the beach in Cha-am 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 Cha-am over the next 7 days?
Discover the best moment to go to the beach in Cha-am in Thailand this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Cha-am. You can see full forecasts by clicking on the day you want to see in the table below.
| Date | Outside temp. | Max wind | Our opinion | Details |
|---|---|---|---|---|
| Monday 15 December 2025 | 74°F to 81°F | 6.8mph | discouraged | all the sea weather |
| Tuesday 16 December 2025 | 74°F to 81°F | 5mph | recommended | all the sea weather |
| Wednesday 17 December 2025 | 76°F to 81°F | 6.2mph | discouraged | all the sea weather |
| Thursday 18 December 2025 | 76°F to 81°F | 7.5mph | discouraged | all the sea weather |
| Friday 19 December 2025 | 74°F to 81°F | 5.6mph | recommended | all the sea weather |
| Saturday 20 December 2025 | 72°F to 81°F | 5.6mph | recommended | all the sea weather |
| Sunday 21 December 2025 | 72°F to 79°F | 6.8mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Cha-am
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 06:33 and will set at 17:57 on the beach(es) of Cha-am. 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 15.5mph km/h (with gusts up to 21.1mph). Wave height will be up to 1.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 25°C (77°F) | 24°C (76°F) | 23°C (74°F) | 25°C (78°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) |
| Perceived temperature | 27°C (81°F) | 26°C (80°F) | 25°C (78°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 82% | 83% | 72% | 65% | 66% | 72% | 72% |
| Barometric pressure | 1012 hPa | 1011 hPa | 1012 hPa | 1014 hPa | 1013 hPa | 1010 hPa | 1011 hPa | 1013 hPa |
| Cloud cover | 47% | 76% | 22% | 16% | 25% | 24% | 30% | 24% |
| Heat index | 27°C (81°F) | 26°C (80°F) | 25°C (78°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) |
| Dew point | 21°C (71°F) | 21°C (70°F) | 20°C (69°F) | 20°C (68°F) | 19°C (66°F) | 19°C (67°F) | 20°C (69°F) | 20°C (68°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 17km/h (11mph) | 20km/h (13mph) | 23km/h (14mph) | 25km/h (16mph) | 23km/h (14mph) | 12km/h (8mph) | 11km/h (7mph) |
| Gusts | 28km/h (17mph) | 29km/h (18mph) | 33km/h (20mph) | 28km/h (18mph) | 34km/h (21mph) | 32km/h (20mph) | 23km/h (14mph) | 21km/h (13mph) |
| Direction | 344° NNW | 357° N | 353° N | 359° N | 25° NNE | 39° NE | 22° NNE | 336° NNW |
| Wind chill | 25°C (77°F) | 24°C (76°F) | 23°C (74°F) | 25°C (78°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) | 26°C (78°F) |
| Waves | ||||||||
| Height | 0.4m (1.2ft) | 0.4m (1.2ft) | 0.4m (1.3ft) | 0.4m (1.5ft) | 0.5m (1.7ft) | 0.5m (1.6ft) | 0.3m (1.0ft) | 0.2m (0.7ft) |
| Direction | 65° ENE | 58° ENE | 50° NE | 46° NE | 38° NE | 49° NE | 53° NE | 59° ENE |
| Period | 3.4 sec. | 4.6 sec. | 4.6 sec. | 4.6 sec. | 4.8 sec. | 4.8 sec. | 5.1 sec. | 3.0 sec. |
| Significant height | 0.6m (2ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.3m (1ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 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) | 25°C (77°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 06:33 and will set at 17:57 on the beach(es) of Cha-am. 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 11.8mph km/h (with gusts up to 15.5mph). Wave height will be up to 1ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 25°C (77°F) | 24°C (76°F) | 24°C (75°F) | 26°C (79°F) | 24°C (74°F) | 27°C (81°F) | 26°C (79°F) | 26°C (79°F) |
| Perceived temperature | 27°C (80°F) | 26°C (79°F) | 26°C (78°F) | 27°C (81°F) | 25°C (77°F) | 29°C (83°F) | 28°C (82°F) | 28°C (82°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 75% | 75% | 73% | 66% | 62% | 62% | 70% | 69% |
| Barometric pressure | 1013 hPa | 1011 hPa | 1012 hPa | 1014 hPa | 1012 hPa | 1010 hPa | 1011 hPa | 1013 hPa |
| Cloud cover | 48% | 27% | 20% | 14% | 12% | 17% | 17% | 17% |
| Heat index | 27°C (80°F) | 26°C (79°F) | 26°C (78°F) | 27°C (81°F) | 25°C (77°F) | 29°C (83°F) | 28°C (82°F) | 28°C (82°F) |
| Dew point | 20°C (68°F) | 19°C (67°F) | 19°C (66°F) | 19°C (66°F) | 16°C (60°F) | 19°C (66°F) | 20°C (68°F) | 20°C (68°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 14km/h (9mph) | 15km/h (10mph) | 18km/h (11mph) | 19km/h (12mph) | 17km/h (10mph) | 8km/h (5mph) | 8km/h (5mph) |
| Gusts | 23km/h (14mph) | 24km/h (15mph) | 25km/h (15mph) | 23km/h (14mph) | 22km/h (14mph) | 25km/h (16mph) | 15km/h (9mph) | 16km/h (10mph) |
| Direction | 333° NNW | 333° NNW | 336° NNW | 359° N | 39° NE | 56° ENE | 43° NE | 305° NW |
| Wind chill | 25°C (77°F) | 24°C (76°F) | 24°C (75°F) | 26°C (79°F) | 24°C (74°F) | 27°C (81°F) | 26°C (79°F) | 26°C (79°F) |
| Waves | ||||||||
| Height | 0.2m (0.6ft) | 0.2m (0.8ft) | 0.2m (0.8ft) | 0.3m (0.9ft) | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.2m (0.6ft) | 0.1m (0.4ft) |
| Direction | 119° ESE | 60° ENE | 52° NE | 34° NNE | 32° NNE | 48° NE | 55° NE | 128° SE |
| Period | 2.7 sec. | 2.8 sec. | 3.0 sec. | 4.7 sec. | 4.4 sec. | 5.1 sec. | 2.8 sec. | 2.6 sec. |
| Significant height | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.3m (1ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 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) | 25°C (77°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 06:34 and will set at 17:58 on the beach(es) of Cha-am. 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 14.9mph km/h (with gusts up to 21.1mph). Wave height will be up to 1.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 25°C (77°F) | 24°C (75°F) | 24°C (74°F) | 26°C (79°F) | 24°C (75°F) | 25°C (78°F) | 26°C (78°F) | 26°C (79°F) |
| Perceived temperature | 27°C (80°F) | 26°C (78°F) | 25°C (78°F) | 28°C (82°F) | 26°C (78°F) | 27°C (80°F) | 27°C (81°F) | 28°C (82°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 74% | 75% | 66% | 62% | 62% | 66% | 66% |
| Barometric pressure | 1012 hPa | 1011 hPa | 1012 hPa | 1014 hPa | 1013 hPa | 1010 hPa | 1011 hPa | 1013 hPa |
| Cloud cover | 14% | 17% | 13% | 11% | 9% | 7% | 14% | 46% |
| Heat index | 27°C (80°F) | 26°C (78°F) | 25°C (78°F) | 28°C (82°F) | 26°C (78°F) | 27°C (80°F) | 27°C (81°F) | 28°C (82°F) |
| Dew point | 20°C (67°F) | 19°C (66°F) | 19°C (66°F) | 19°C (67°F) | 16°C (61°F) | 17°C (63°F) | 19°C (66°F) | 19°C (67°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 14km/h (9mph) | 14km/h (9mph) | 20km/h (12mph) | 24km/h (15mph) | 16km/h (10mph) | 9km/h (5mph) | 10km/h (6mph) |
| Gusts | 26km/h (16mph) | 25km/h (15mph) | 24km/h (15mph) | 25km/h (16mph) | 27km/h (17mph) | 34km/h (21mph) | 18km/h (11mph) | 22km/h (13mph) |
| Direction | 314° NW | 323° NW | 334° NNW | 351° N | 27° NNE | 36° NE | 12° NNE | 333° NNW |
| Wind chill | 25°C (77°F) | 24°C (75°F) | 24°C (74°F) | 26°C (79°F) | 24°C (75°F) | 25°C (78°F) | 26°C (78°F) | 26°C (79°F) |
| Waves | ||||||||
| Height | 0.1m (0.5ft) | 0.1m (0.5ft) | 0.2m (0.5ft) | 0.3m (0.9ft) | 0.4m (1.3ft) | 0.3m (1.0ft) | 0.2m (0.5ft) | 0.1m (0.4ft) |
| Direction | 128° SE | 129° SE | 343° NNW | 9° N | 24° NNE | 37° NE | 50° NE | 56° ENE |
| Period | 4.1 sec. | 4.9 sec. | 4.8 sec. | 4.7 sec. | 4.6 sec. | 4.6 sec. | 2.7 sec. | 2.6 sec. |
| Significant height | 0.4m (1.3ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.4m (1.3ft) | 0.2m (0.7ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 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) | 25°C (77°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 06:34 and will set at 17:58 on the beach(es) of Cha-am. 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 16.2mph km/h (with gusts up to 21.8mph). Wave height will be up to 2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 25°C (77°F) | 24°C (75°F) | 24°C (75°F) | 26°C (78°F) | 27°C (80°F) | 27°C (80°F) | 26°C (79°F) | 25°C (78°F) |
| Perceived temperature | 27°C (80°F) | 26°C (79°F) | 26°C (78°F) | 27°C (81°F) | 28°C (83°F) | 28°C (83°F) | 28°C (82°F) | 27°C (81°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 72% | 74% | 77% | 70% | 62% | 62% | 69% | 71% |
| Barometric pressure | 1012 hPa | 1011 hPa | 1012 hPa | 1014 hPa | 1012 hPa | 1009 hPa | 1010 hPa | 1012 hPa |
| Cloud cover | 16% | 22% | 13% | 29% | 25% | 23% | 23% | 17% |
| Heat index | 27°C (80°F) | 26°C (79°F) | 26°C (78°F) | 27°C (81°F) | 28°C (83°F) | 28°C (83°F) | 28°C (82°F) | 27°C (81°F) |
| Dew point | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 20°C (68°F) | 19°C (66°F) | 19°C (66°F) | 20°C (68°F) | 20°C (67°F) |
| Wind | ||||||||
| Speed | 12km/h (7mph) | 13km/h (8mph) | 19km/h (12mph) | 23km/h (15mph) | 26km/h (16mph) | 21km/h (13mph) | 12km/h (8mph) | 12km/h (7mph) |
| Gusts | 22km/h (14mph) | 25km/h (15mph) | 32km/h (20mph) | 29km/h (18mph) | 35km/h (22mph) | 30km/h (19mph) | 24km/h (15mph) | 24km/h (15mph) |
| Direction | 319° NW | 323° NW | 343° NNW | 359° N | 27° NNE | 39° NE | 32° NNE | 318° NW |
| Wind chill | 25°C (77°F) | 24°C (75°F) | 24°C (75°F) | 26°C (78°F) | 27°C (80°F) | 27°C (80°F) | 26°C (79°F) | 25°C (78°F) |
| Waves | ||||||||
| Height | 0.1m (0.4ft) | 0.1m (0.5ft) | 0.2m (0.8ft) | 0.4m (1.2ft) | 0.6m (1.9ft) | 0.5m (1.6ft) | 0.3m (1.0ft) | 0.2m (0.7ft) |
| Direction | 138° SE | 60° ENE | 2° N | 38° NE | 53° NE | 53° NE | 58° ENE | 64° ENE |
| Period | 2.4 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 2.5 sec. | 3.4 sec. | 3.0 sec. |
| Significant height | 0.2m (0.7ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.9m (3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 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) | 25°C (77°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 06:35 and will set at 17:59 on the beach(es) of Cha-am. 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 12.4mph km/h (with gusts up to 17.4mph). Wave height will be up to 1ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 24°C (76°F) | 23°C (74°F) | 23°C (73°F) | 25°C (78°F) | 24°C (76°F) | 26°C (78°F) | 26°C (78°F) | 25°C (77°F) |
| Perceived temperature | 26°C (79°F) | 25°C (77°F) | 25°C (77°F) | 27°C (80°F) | 26°C (78°F) | 27°C (80°F) | 27°C (80°F) | 26°C (79°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 76% | 78% | 66% | 57% | 57% | 65% | 67% |
| Barometric pressure | 1012 hPa | 1011 hPa | 1011 hPa | 1013 hPa | 1011 hPa | 1008 hPa | 1008 hPa | 1010 hPa |
| Cloud cover | 11% | 11% | 3% | 2% | 2% | 3% | 0% | 2% |
| Heat index | 26°C (79°F) | 25°C (77°F) | 25°C (77°F) | 27°C (80°F) | 26°C (78°F) | 27°C (80°F) | 27°C (80°F) | 26°C (79°F) |
| Dew point | 19°C (66°F) | 19°C (66°F) | 18°C (65°F) | 19°C (65°F) | 15°C (59°F) | 17°C (62°F) | 18°C (65°F) | 18°C (65°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 14km/h (9mph) | 16km/h (10mph) | 17km/h (11mph) | 20km/h (12mph) | 19km/h (12mph) | 9km/h (6mph) | 9km/h (6mph) |
| Gusts | 26km/h (16mph) | 25km/h (15mph) | 28km/h (18mph) | 21km/h (13mph) | 26km/h (16mph) | 22km/h (13mph) | 19km/h (12mph) | 19km/h (12mph) |
| Direction | 315° NW | 323° NW | 330° NNW | 349° NNW | 26° NNE | 47° NE | 58° ENE | 218° SW |
| Wind chill | 24°C (76°F) | 23°C (74°F) | 23°C (73°F) | 25°C (78°F) | 24°C (76°F) | 26°C (78°F) | 26°C (78°F) | 25°C (77°F) |
| Waves | ||||||||
| Height | 0.2m (0.6ft) | 0.2m (0.6ft) | 0.2m (0.7ft) | 0.3m (0.8ft) | 0.3m (1.0ft) | 0.3m (0.9ft) | 0.2m (0.7ft) | 0.1m (0.3ft) |
| Direction | 110° ESE | 57° ENE | 47° NE | 33° NNE | 35° NE | 42° NE | 50° NE | 109° ESE |
| Period | 2.6 sec. | 2.7 sec. | 5.2 sec. | 5.0 sec. | 4.8 sec. | 5.1 sec. | 3.5 sec. | 2.6 sec. |
| Significant height | 0.3m (1ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 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) | 27°C (80°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 06:35 and will set at 17:59 on the beach(es) of Cha-am. The outside temperature will be a high of 81°F t and a low of 72°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 11.8mph km/h (with gusts up to 16.2mph). Wave height will be up to 1ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 24°C (75°F) | 23°C (73°F) | 22°C (72°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (76°F) |
| Perceived temperature | 26°C (78°F) | 25°C (77°F) | 25°C (76°F) | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 67% | 69% | 71% | 62% | 55% | 51% | 57% | 60% |
| Barometric pressure | 1010 hPa | 1009 hPa | 1010 hPa | 1012 hPa | 1011 hPa | 1008 hPa | 1008 hPa | 1010 hPa |
| Cloud cover | 3% | 1% | 0% | 0% | 0% | 1% | 4% | 5% |
| Heat index | 26°C (78°F) | 25°C (77°F) | 25°C (76°F) | 27°C (80°F) | 26°C (79°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) |
| Dew point | 17°C (63°F) | 17°C (62°F) | 17°C (62°F) | 17°C (63°F) | 15°C (59°F) | 14°C (58°F) | 16°C (61°F) | 16°C (61°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 13km/h (8mph) | 13km/h (8mph) | 15km/h (9mph) | 19km/h (12mph) | 15km/h (9mph) | 7km/h (4mph) | 9km/h (5mph) |
| Gusts | 25km/h (16mph) | 26km/h (16mph) | 24km/h (15mph) | 21km/h (13mph) | 24km/h (15mph) | 24km/h (15mph) | 15km/h (9mph) | 18km/h (11mph) |
| Direction | 308° NW | 315° NW | 324° NW | 113° ESE | 30° NNE | 58° ENE | 256° WSW | 318° NW |
| Wind chill | 24°C (75°F) | 23°C (73°F) | 22°C (72°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 25°C (76°F) |
| Waves | ||||||||
| Height | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.3m (1.0ft) |
| Direction | 137° SE | 272° W | 127° SE | 18° NNE | 28° NNE | 38° NE | 43° NE | 50° NE |
| Period | 4.2 sec. | 4.9 sec. | 4.9 sec. | 4.8 sec. | 4.8 sec. | 4.8 sec. | 3.2 sec. | 2.3 sec. |
| Significant height | 0.3m (1ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.2m (0.7ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 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) | 27°C (80°F) |
Sea weather on Sunday 21 December 2025
On Sunday 21 December 2025, the sun will rise at 06:36 and will set at 18:00 on the beach(es) of Cha-am. The outside temperature will be a high of 79°F t and a low of 72°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 13.7mph km/h (with gusts up to 18.6mph). Wave height will be up to 1ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 23°C (74°F) | 23°C (73°F) | 22°C (71°F) | 25°C (76°F) | 25°C (76°F) | 25°C (78°F) | 25°C (78°F) | 24°C (76°F) |
| Perceived temperature | 25°C (77°F) | 25°C (76°F) | 22°C (71°F) | 26°C (79°F) | 26°C (78°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 63% | 67% | 68% | 58% | 52% | 49% | 53% | 56% |
| Barometric pressure | 1010 hPa | 1010 hPa | 1011 hPa | 1012 hPa | 1011 hPa | 1009 hPa | 1009 hPa | 1011 hPa |
| Cloud cover | 4% | 3% | 1% | 0% | 0% | 0% | 2% | 3% |
| Heat index | 25°C (77°F) | 25°C (76°F) | 25°C (76°F) | 26°C (79°F) | 26°C (78°F) | 26°C (79°F) | 26°C (79°F) | 26°C (78°F) |
| Dew point | 16°C (61°F) | 16°C (61°F) | 16°C (60°F) | 16°C (61°F) | 14°C (58°F) | 14°C (57°F) | 15°C (59°F) | 15°C (59°F) |
| Wind | ||||||||
| Speed | 12km/h (7mph) | 13km/h (8mph) | 14km/h (9mph) | 18km/h (11mph) | 22km/h (14mph) | 18km/h (11mph) | 10km/h (6mph) | 11km/h (7mph) |
| Gusts | 24km/h (15mph) | 26km/h (16mph) | 26km/h (16mph) | 24km/h (15mph) | 26km/h (16mph) | 30km/h (19mph) | 19km/h (12mph) | 23km/h (14mph) |
| Direction | 305° NW | 316° NW | 327° NNW | 115° ESE | 26° NNE | 49° NE | 253° WSW | 323° NW |
| Wind chill | 23°C (74°F) | 23°C (73°F) | 22°C (71°F) | 25°C (76°F) | 25°C (76°F) | 25°C (78°F) | 25°C (78°F) | 24°C (76°F) |
| Waves | ||||||||
| Height | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.3m (1.0ft) | 0.3m (1.0ft) | 0.2m (0.7ft) | 0.1m (0.3ft) |
| Direction | 210° SSW | 307° NW | 342° NNW | 122° ESE | 21° NNE | 34° NE | 42° NE | 223° SW |
| Period | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.2 sec. | 2.5 sec. | 2.5 sec. |
| Significant height | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.3m (1ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 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) | 27°C (80°F) |




