Sea weather in Ansan-si in South Korea All the beach weather in Ansan-si
All the essential weather information for enjoying the beach in Ansan-si in South Korea, 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 Ansan-si over the next 7 days?
Discover the best moment to go to the beach in Ansan-si in South Korea this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Ansan-si. 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 |
|---|---|---|---|---|
| Sunday 14 December 2025 | 32°F to 38°F | 16.2mph | not recommended | all the sea weather |
| Monday 15 December 2025 | 36°F to 45°F | 8.7mph | discouraged | all the sea weather |
| Tuesday 16 December 2025 | 45°F to 49°F | 4.4mph | recommended | all the sea weather |
| Wednesday 17 December 2025 | 34°F to 43°F | 7.5mph | discouraged | all the sea weather |
| Thursday 18 December 2025 | 34°F to 41°F | 1.9mph | discouraged | all the sea weather |
| Friday 19 December 2025 | 40°F to 47°F | 5.6mph | recommended | all the sea weather |
| Saturday 20 December 2025 | 43°F to 47°F | 11.2mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Ansan-si
Sea weather on Sunday 14 December 2025
On Sunday 14 December 2025, the sun will rise at 07:40 and will set at 17:16 on the beach(es) of Ansan-si. The outside temperature will be a high of 38°F t and a low of 32°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 19.3mph km/h (with gusts up to 26.7mph). 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 | 2°C (35°F) | 2°C (35°F) | 2°C (35°F) | 2°C (36°F) | 2°C (36°F) | 2°C (36°F) | 2°C (35°F) | 3°C (37°F) |
| Perceived temperature | -2°C (28°F) | -2°C (28°F) | -4°C (24°F) | -4°C (25°F) | -4°C (25°F) | -4°C (26°F) | -4°C (25°F) | -2°C (28°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 65% | 77% | 74% | 68% | 63% | 57% | 56% | 57% |
| Barometric pressure | 1019 hPa | 1018 hPa | 1018 hPa | 1019 hPa | 1020 hPa | 1019 hPa | 1021 hPa | 1022 hPa |
| Cloud cover | 50% | 100% | 73% | 11% | 7% | 5% | 6% | 14% |
| Heat index | 2°C (35°F) | 2°C (35°F) | 2°C (35°F) | 2°C (36°F) | 2°C (36°F) | 2°C (36°F) | 2°C (35°F) | 3°C (37°F) |
| Dew point | -4°C (25°F) | -2°C (29°F) | -3°C (27°F) | -3°C (26°F) | -4°C (24°F) | -6°C (22°F) | -6°C (21°F) | -5°C (23°F) |
| Wind | ||||||||
| Speed | 17km/h (11mph) | 16km/h (10mph) | 27km/h (17mph) | 31km/h (19mph) | 30km/h (19mph) | 30km/h (19mph) | 29km/h (18mph) | 26km/h (16mph) |
| Gusts | 23km/h (14mph) | 21km/h (13mph) | 35km/h (21mph) | 39km/h (24mph) | 43km/h (27mph) | 35km/h (22mph) | 32km/h (20mph) | 35km/h (22mph) |
| Direction | 327° NNW | 329° NNW | 327° NNW | 317° NW | 311° NW | 308° NW | 314° NW | 323° NW |
| Wind chill | -2°C (28°F) | -2°C (28°F) | -4°C (24°F) | -4°C (25°F) | -4°C (25°F) | -4°C (26°F) | -4°C (25°F) | -2°C (28°F) |
| Waves | ||||||||
| Height | 0.3m (1.0ft) | 0.3m (0.9ft) | 0.4m (1.4ft) | 0.6m (1.8ft) | 0.5m (1.7ft) | 0.6m (1.9ft) | 0.6m (1.8ft) | 0.5m (1.6ft) |
| Direction | 309° NW | 302° WNW | 315° NW | 302° WNW | 295° WNW | 289° WNW | 293° WNW | 303° WNW |
| Period | 2.4 sec. | 2.4 sec. | 2.4 sec. | 2.4 sec. | 2.4 sec. | 2.4 sec. | 2.4 sec. | 2.4 sec. |
| Significant height | 0.6m (2ft) | 0.5m (1.6ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 07:41 and will set at 17:17 on the beach(es) of Ansan-si. The outside temperature will be a high of 45°F t and a low of 36°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 13.7mph). 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 | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 4°C (39°F) | 6°C (42°F) | 6°C (43°F) | 7°C (44°F) |
| Perceived temperature | -1°C (29°F) | -1°C (31°F) | 0°C (32°F) | 3°C (37°F) | 1°C (35°F) | 3°C (38°F) | 4°C (39°F) | 4°C (39°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 56% | 56% | 56% | 56% | 59% | 62% | 59% | 63% |
| Barometric pressure | 1023 hPa | 1024 hPa | 1024 hPa | 1026 hPa | 1026 hPa | 1024 hPa | 1024 hPa | 1024 hPa |
| Cloud cover | 11% | 21% | 4% | 11% | 40% | 91% | 59% | 100% |
| Heat index | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 3°C (37°F) | 4°C (39°F) | 6°C (42°F) | 6°C (43°F) | 7°C (44°F) |
| Dew point | -5°C (22°F) | -5°C (22°F) | -5°C (23°F) | -5°C (23°F) | -3°C (26°F) | -1°C (30°F) | -1°C (30°F) | 0°C (32°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 11km/h (7mph) | 9km/h (5mph) | 2km/h (1mph) | 10km/h (6mph) | 10km/h (6mph) | 12km/h (7mph) | 14km/h (9mph) |
| Gusts | 22km/h (13mph) | 16km/h (10mph) | 12km/h (8mph) | 3km/h (2mph) | 14km/h (9mph) | 14km/h (9mph) | 18km/h (11mph) | 21km/h (13mph) |
| Direction | 331° NNW | 335° NNW | 332° NNW | 73° ENE | 157° SSE | 177° S | 232° SW | 201° SSW |
| Wind chill | -1°C (29°F) | -1°C (31°F) | 0°C (32°F) | 3°C (37°F) | 1°C (35°F) | 3°C (38°F) | 4°C (39°F) | 4°C (39°F) |
| Waves | ||||||||
| Height | 0.4m (1.3ft) | 0.3m (1.0ft) | 0.2m (0.7ft) | 0.2m (0.6ft) | 0.1m (0.5ft) | 0.3m (0.9ft) | 0.3m (1.0ft) | 0.4m (1.4ft) |
| Direction | 313° NW | 308° NW | 258° WSW | 245° WSW | 245° WSW | 251° WSW | 232° SW | 228° SW |
| Period | 2.4 sec. | 4.2 sec. | 4.1 sec. | 3.9 sec. | 3.8 sec. | 3.8 sec. | 3.8 sec. | 3.8 sec. |
| Significant height | 0.6m (2ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 07:42 and will set at 17:17 on the beach(es) of Ansan-si. The outside temperature will be a high of 49°F t and a low of 45°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 14.3mph). 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 | 7°C (44°F) | 7°C (45°F) | 8°C (46°F) | 8°C (47°F) | 8°C (47°F) | 9°C (47°F) | 8°C (46°F) | 7°C (45°F) |
| Perceived temperature | 4°C (39°F) | 5°C (40°F) | 5°C (42°F) | 6°C (43°F) | 7°C (44°F) | 6°C (44°F) | 6°C (42°F) | 6°C (43°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 71% | 70% | 72% | 75% | 73% | 70% | 67% | 69% |
| Barometric pressure | 1023 hPa | 1023 hPa | 1022 hPa | 1022 hPa | 1021 hPa | 1021 hPa | 1022 hPa | 1022 hPa |
| Cloud cover | 100% | 100% | 81% | 56% | 87% | 73% | 23% | 95% |
| Heat index | 7°C (44°F) | 7°C (45°F) | 8°C (46°F) | 8°C (47°F) | 8°C (47°F) | 9°C (47°F) | 8°C (46°F) | 7°C (45°F) |
| Dew point | 2°C (35°F) | 2°C (36°F) | 3°C (38°F) | 4°C (39°F) | 4°C (38°F) | 3°C (38°F) | 2°C (35°F) | 2°C (36°F) |
| Wind | ||||||||
| Speed | 15km/h (10mph) | 14km/h (9mph) | 15km/h (10mph) | 10km/h (6mph) | 9km/h (5mph) | 13km/h (8mph) | 10km/h (6mph) | 7km/h (4mph) |
| Gusts | 22km/h (13mph) | 20km/h (13mph) | 23km/h (14mph) | 15km/h (9mph) | 13km/h (8mph) | 19km/h (12mph) | 17km/h (10mph) | 10km/h (6mph) |
| Direction | 185° S | 224° SW | 230° SW | 239° WSW | 273° W | 291° WNW | 299° WNW | 344° NNW |
| Wind chill | 4°C (39°F) | 5°C (40°F) | 5°C (42°F) | 6°C (43°F) | 7°C (44°F) | 6°C (44°F) | 6°C (42°F) | 6°C (43°F) |
| Waves | ||||||||
| Height | 0.6m (1.9ft) | 0.6m (2.0ft) | 0.5m (1.8ft) | 0.4m (1.3ft) | 0.3m (1.0ft) | 0.2m (0.8ft) | 0.2m (0.7ft) | 0.2m (0.7ft) |
| Direction | 231° SW | 237° WSW | 246° WSW | 265° W | 270° W | 277° W | 237° WSW | 236° SW |
| Period | 3.8 sec. | 3.8 sec. | 3.8 sec. | 3.8 sec. | 5.6 sec. | 5.7 sec. | 5.7 sec. | 5.6 sec. |
| Significant height | 0.9m (3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 07:42 and will set at 17:17 on the beach(es) of Ansan-si. The outside temperature will be a high of 43°F t and a low of 34°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 11.2mph 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 | 6°C (44°F) | 6°C (42°F) | 5°C (40°F) | 4°C (39°F) | 3°C (37°F) | 3°C (37°F) | 2°C (35°F) | 5°C (40°F) |
| Perceived temperature | 4°C (40°F) | 3°C (37°F) | 1°C (34°F) | 1°C (34°F) | -1°C (31°F) | -1°C (30°F) | -3°C (27°F) | 2°C (35°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 77% | 80% | 80% | 75% | 68% | 61% | 64% | 68% |
| Barometric pressure | 1022 hPa | 1023 hPa | 1023 hPa | 1024 hPa | 1025 hPa | 1024 hPa | 1025 hPa | 1027 hPa |
| Cloud cover | 37% | 100% | 3% | 6% | 0% | 0% | 0% | 0% |
| Heat index | 6°C (44°F) | 6°C (42°F) | 5°C (40°F) | 4°C (39°F) | 3°C (37°F) | 3°C (37°F) | 2°C (35°F) | 5°C (40°F) |
| Dew point | 3°C (37°F) | 2°C (36°F) | 1°C (34°F) | 0°C (32°F) | -2°C (28°F) | -4°C (25°F) | -4°C (24°F) | -1°C (31°F) |
| Wind | ||||||||
| Speed | 9km/h (6mph) | 13km/h (8mph) | 14km/h (9mph) | 13km/h (8mph) | 14km/h (9mph) | 17km/h (10mph) | 18km/h (11mph) | 12km/h (7mph) |
| Gusts | 14km/h (8mph) | 18km/h (11mph) | 19km/h (12mph) | 18km/h (11mph) | 26km/h (16mph) | 21km/h (13mph) | 23km/h (14mph) | 17km/h (10mph) |
| Direction | 9° N | 353° N | 356° N | 349° N | 338° NNW | 332° NNW | 339° NNW | 337° NNW |
| Wind chill | 4°C (40°F) | 3°C (37°F) | 1°C (34°F) | 1°C (34°F) | -1°C (31°F) | -1°C (30°F) | -3°C (27°F) | 2°C (35°F) |
| Waves | ||||||||
| Height | 0.2m (0.5ft) | 0.1m (0.5ft) | 0.1m (0.5ft) | 0.1m (0.5ft) | 0.1m (0.5ft) | 0.2m (0.6ft) | 0.2m (0.8ft) | 0.3m (1.0ft) |
| Direction | 235° SW | 234° SW | 233° SW | 233° SW | 231° SW | 343° NNW | 334° NNW | 332° NNW |
| Period | 5.6 sec. | 5.5 sec. | 5.5 sec. | 5.3 sec. | 5.2 sec. | 5.1 sec. | 5.1 sec. | 5.1 sec. |
| Significant height | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 07:43 and will set at 17:18 on the beach(es) of Ansan-si. The outside temperature will be a high of 41°F t and a low of 34°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 4.4mph km/h (with gusts up to 6.2mph). 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 | 4°C (39°F) | 4°C (39°F) | 3°C (38°F) | 4°C (39°F) | 3°C (37°F) | 4°C (39°F) | 2°C (35°F) | 5°C (41°F) |
| Perceived temperature | 2°C (36°F) | 2°C (36°F) | 3°C (37°F) | 4°C (39°F) | 3°C (37°F) | 3°C (37°F) | 1°C (33°F) | 5°C (41°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 69% | 71% | 72% | 71% | 64% | 56% | 53% | 52% |
| Barometric pressure | 1027 hPa | 1027 hPa | 1027 hPa | 1028 hPa | 1028 hPa | 1026 hPa | 1026 hPa | 1026 hPa |
| Cloud cover | 2% | 2% | 4% | 0% | 0% | 3% | 0% | 0% |
| Heat index | 4°C (39°F) | 4°C (39°F) | 3°C (38°F) | 4°C (39°F) | 3°C (37°F) | 4°C (39°F) | 2°C (35°F) | 5°C (41°F) |
| Dew point | -1°C (30°F) | -1°C (30°F) | -1°C (30°F) | -1°C (30°F) | -3°C (26°F) | -4°C (24°F) | -7°C (19°F) | -4°C (25°F) |
| Wind | ||||||||
| Speed | 7km/h (4mph) | 6km/h (4mph) | 4km/h (2mph) | 1km/h (1mph) | 3km/h (2mph) | 5km/h (3mph) | 4km/h (2mph) | 3km/h (2mph) |
| Gusts | 10km/h (6mph) | 9km/h (6mph) | 6km/h (4mph) | 2km/h (1mph) | 5km/h (3mph) | 9km/h (6mph) | 8km/h (5mph) | 4km/h (2mph) |
| Direction | 347° NNW | 356° N | 56° NE | 57° ENE | 248° WSW | 280° W | 276° W | 153° SSE |
| Wind chill | 2°C (36°F) | 2°C (36°F) | 3°C (37°F) | 4°C (39°F) | 3°C (37°F) | 3°C (37°F) | 1°C (33°F) | 5°C (41°F) |
| Waves | ||||||||
| Height | 0.2m (0.7ft) | 0.1m (0.5ft) | 0.4m (1.2ft) | 0.4m (1.2ft) | 0.3m (1.1ft) | 0.4m (1.2ft) | 0.2m (0.5ft) | 0.3m (1.0ft) |
| Direction | 330° NNW | 333° NNW | 272° W | 267° W | 265° W | 261° W | 260° W | 257° WSW |
| Period | 3.3 sec. | 3.4 sec. | 3.4 sec. | 3.4 sec. | 3.3 sec. | 3.2 sec. | 3.1 sec. | 3.0 sec. |
| Significant height | 0.4m (1.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 07:43 and will set at 17:18 on the beach(es) of Ansan-si. The outside temperature will be a high of 47°F t and a low of 40°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 8.1mph 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 | 5°C (41°F) | 5°C (41°F) | 4°C (40°F) | 5°C (40°F) | 4°C (39°F) | 5°C (40°F) | 4°C (39°F) | 8°C (46°F) |
| Perceived temperature | 4°C (39°F) | 3°C (37°F) | 2°C (36°F) | 2°C (35°F) | 1°C (34°F) | 2°C (36°F) | 2°C (35°F) | 6°C (43°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 54% | 60% | 64% | 64% | 57% | 52% | 54% | 58% |
| Barometric pressure | 1025 hPa | 1025 hPa | 1024 hPa | 1025 hPa | 1024 hPa | 1023 hPa | 1023 hPa | 1023 hPa |
| Cloud cover | 0% | 1% | 33% | 0% | 2% | 0% | 0% | 0% |
| Heat index | 5°C (41°F) | 5°C (41°F) | 4°C (40°F) | 5°C (40°F) | 4°C (39°F) | 5°C (40°F) | 4°C (39°F) | 8°C (46°F) |
| Dew point | -3°C (26°F) | -2°C (28°F) | -2°C (29°F) | -2°C (29°F) | -4°C (25°F) | -4°C (24°F) | -4°C (24°F) | -0°C (32°F) |
| Wind | ||||||||
| Speed | 6km/h (4mph) | 9km/h (5mph) | 9km/h (6mph) | 12km/h (7mph) | 13km/h (8mph) | 10km/h (6mph) | 9km/h (5mph) | 9km/h (5mph) |
| Gusts | 8km/h (5mph) | 13km/h (8mph) | 14km/h (9mph) | 17km/h (10mph) | 26km/h (16mph) | 20km/h (13mph) | 18km/h (11mph) | 14km/h (9mph) |
| Direction | 128° SE | 134° SE | 140° SE | 140° SE | 157° SSE | 161° SSE | 159° SSE | 134° SE |
| Wind chill | 4°C (39°F) | 3°C (37°F) | 2°C (36°F) | 2°C (35°F) | 1°C (34°F) | 2°C (36°F) | 2°C (35°F) | 6°C (43°F) |
| Waves | ||||||||
| Height | 0.3m (1.0ft) | 0.1m (0.3ft) | 0.1m (0.5ft) | 0.2m (0.6ft) | 0.2m (0.6ft) | 0.1m (0.5ft) | 0.1m (0.4ft) | 0.2m (0.5ft) |
| Direction | 257° WSW | 9999° | 176° S | 167° SSE | 177° S | 235° SW | 237° WSW | 112° ESE |
| Period | 3.0 sec. | 3.0 sec. | 3.0 sec. | 3.0 sec. | 2.4 sec. | 3.2 sec. | 3.4 sec. | 3.6 sec. |
| Significant height | 0.1m (0.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 07:44 and will set at 17:19 on the beach(es) of Ansan-si. The outside temperature will be a high of 47°F t and a low of 43°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 11.2mph km/h (with gusts up to 16.2mph). 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 | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 8°C (47°F) | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) |
| Perceived temperature | 4°C (40°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 7°C (44°F) | 6°C (43°F) | 5°C (41°F) | 4°C (39°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 55% | 61% | 64% | 68% | 65% | 67% | 71% | 76% |
| Barometric pressure | 1023 hPa | 1023 hPa | 1023 hPa | 1024 hPa | 1024 hPa | 1024 hPa | 1026 hPa | 1028 hPa |
| Cloud cover | 38% | 0% | 35% | 20% | 50% | 88% | 82% | 36% |
| Heat index | 7°C (45°F) | 7°C (44°F) | 6°C (43°F) | 6°C (43°F) | 8°C (47°F) | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) |
| Dew point | -1°C (30°F) | -0°C (31°F) | 0°C (32°F) | 1°C (33°F) | 2°C (36°F) | 3°C (37°F) | 3°C (37°F) | 3°C (38°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 12km/h (7mph) | 11km/h (7mph) | 10km/h (6mph) | 9km/h (6mph) | 14km/h (9mph) | 14km/h (9mph) | 18km/h (11mph) |
| Gusts | 23km/h (14mph) | 19km/h (12mph) | 19km/h (12mph) | 17km/h (11mph) | 15km/h (9mph) | 21km/h (13mph) | 23km/h (14mph) | 26km/h (16mph) |
| Direction | 118° ESE | 104° ESE | 90° E | 85° E | 102° ESE | 351° N | 360° N | 353° N |
| Wind chill | 4°C (40°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 7°C (44°F) | 6°C (43°F) | 5°C (41°F) | 4°C (39°F) |
| Waves | ||||||||
| Height | 0.1m (0.5ft) | 0.1m (0.4ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.1m (0.4ft) |
| Direction | 99° E | 243° WSW | 241° WSW | 239° WSW | 237° WSW | 236° SW | 234° SW | 2° N |
| Period | 4.1 sec. | 4.7 sec. | 4.9 sec. | 5.0 sec. | 4.9 sec. | 4.9 sec. | 4.7 sec. | 4.6 sec. |
| Significant height | 0.3m (1ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) |