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 |
|---|---|---|---|---|
| Friday 5 December 2025 | 31°F to 38°F | 0.6mph | not recommended | all the sea weather |
| Saturday 6 December 2025 | 38°F to 50°F | 14.9mph | discouraged | all the sea weather |
| Sunday 7 December 2025 | 47°F to 52°F | 18.6mph | discouraged | all the sea weather |
| Monday 8 December 2025 | 29°F to 47°F | 14.9mph | discouraged | all the sea weather |
| Tuesday 9 December 2025 | 34°F to 43°F | 1.2mph | discouraged | all the sea weather |
| Wednesday 10 December 2025 | 41°F to 45°F | 4.4mph | discouraged | all the sea weather |
| Thursday 11 December 2025 | 43°F to 49°F | 7.5mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Ansan-si
Sea weather on Friday 5 December 2025
On Friday 5 December 2025, the sun will rise at 07:33 and will set at 17:15 on the beach(es) of Ansan-si. The outside temperature will be a high of 38°F t and a low of 31°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 21.8mph km/h (with gusts up to 24.9mph). Wave height will be up to 2.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | -1°C (31°F) | -1°C (31°F) | -0°C (31°F) | 0°C (32°F) | -1°C (30°F) | 1°C (35°F) | 2°C (35°F) | 3°C (37°F) |
| Perceived temperature | -8°C (18°F) | -8°C (18°F) | -7°C (19°F) | -6°C (22°F) | -6°C (20°F) | -3°C (27°F) | -1°C (30°F) | 3°C (37°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 66% | 58% | 58% | 56% | 52% | 52% | 53% | 53% |
| Barometric pressure | 1027 hPa | 1028 hPa | 1028 hPa | 1029 hPa | 1029 hPa | 1027 hPa | 1026 hPa | 1025 hPa |
| Cloud cover | 22% | 0% | 0% | 0% | 0% | 6% | 8% | 15% |
| Heat index | -1°C (31°F) | -1°C (31°F) | -0°C (31°F) | 0°C (32°F) | -1°C (30°F) | 1°C (35°F) | 2°C (35°F) | 3°C (37°F) |
| Dew point | -6°C (21°F) | -8°C (18°F) | -8°C (18°F) | -8°C (18°F) | -9°C (15°F) | -7°C (19°F) | -7°C (20°F) | -6°C (22°F) |
| Wind | ||||||||
| Speed | 35km/h (21mph) | 34km/h (21mph) | 31km/h (19mph) | 23km/h (15mph) | 20km/h (13mph) | 17km/h (10mph) | 8km/h (5mph) | 1km/h (0mph) |
| Gusts | 40km/h (25mph) | 40km/h (25mph) | 37km/h (23mph) | 28km/h (18mph) | 37km/h (23mph) | 26km/h (16mph) | 15km/h (9mph) | 1km/h (1mph) |
| Direction | 329° NNW | 326° NW | 320° NW | 334° NNW | 325° NW | 318° NW | 324° NW | 134° SE |
| Wind chill | -8°C (18°F) | -8°C (18°F) | -7°C (19°F) | -6°C (22°F) | -6°C (20°F) | -3°C (27°F) | -1°C (30°F) | 3°C (37°F) |
| Waves | ||||||||
| Height | 0.7m (2.3ft) | 0.6m (1.9ft) | 0.5m (1.6ft) | 0.5m (1.5ft) | 0.4m (1.4ft) | 0.3m (1.0ft) | 0.2m (0.6ft) | 0.1m (0.5ft) |
| Direction | 308° NW | 317° NW | 321° NW | 316° NW | 311° NW | 306° NW | 292° WNW | 260° W |
| Period | 6.1 sec. | 6.1 sec. | 6.5 sec. | 6.4 sec. | 6.8 sec. | 5.9 sec. | 2.4 sec. | 3.5 sec. |
| Significant height | 1.3m (4.3ft) | 1.0m (3.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.3m (1ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Saturday 6 December 2025
On Saturday 6 December 2025, the sun will rise at 07:34 and will set at 17:15 on the beach(es) of Ansan-si. The outside temperature will be a high of 50°F t and a low of 38°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 25.5mph). Wave height will be up to 2.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 3°C (38°F) | 4°C (39°F) | 4°C (40°F) | 6°C (42°F) | 7°C (44°F) | 8°C (46°F) | 9°C (48°F) | 10°C (49°F) |
| Perceived temperature | 0°C (33°F) | 0°C (32°F) | 0°C (32°F) | 2°C (35°F) | 3°C (37°F) | 4°C (39°F) | 5°C (42°F) | 7°C (44°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 60% | 65% | 70% | 70% | 74% | 77% | 76% | 76% |
| Barometric pressure | 1024 hPa | 1024 hPa | 1022 hPa | 1022 hPa | 1020 hPa | 1018 hPa | 1018 hPa | 1018 hPa |
| Cloud cover | 47% | 86% | 100% | 98% | 100% | 93% | 70% | 73% |
| Heat index | 3°C (38°F) | 4°C (39°F) | 4°C (40°F) | 6°C (42°F) | 7°C (44°F) | 8°C (46°F) | 9°C (48°F) | 10°C (49°F) |
| Dew point | -4°C (25°F) | -2°C (28°F) | -1°C (31°F) | 0°C (33°F) | 2°C (36°F) | 4°C (39°F) | 5°C (41°F) | 6°C (42°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 15km/h (9mph) | 19km/h (12mph) | 20km/h (12mph) | 27km/h (17mph) | 27km/h (17mph) | 26km/h (16mph) | 24km/h (15mph) |
| Gusts | 15km/h (9mph) | 21km/h (13mph) | 26km/h (16mph) | 27km/h (17mph) | 37km/h (23mph) | 41km/h (26mph) | 29km/h (18mph) | 40km/h (25mph) |
| Direction | 158° SSE | 168° SSE | 167° SSE | 187° S | 195° SSW | 203° SSW | 241° WSW | 249° WSW |
| Wind chill | 0°C (33°F) | 0°C (32°F) | 0°C (32°F) | 2°C (35°F) | 3°C (37°F) | 4°C (39°F) | 5°C (42°F) | 7°C (44°F) |
| Waves | ||||||||
| Height | 0.1m (0.5ft) | 0.3m (0.9ft) | 0.5m (1.6ft) | 0.6m (2.0ft) | 0.7m (2.4ft) | 0.8m (2.7ft) | 0.8m (2.5ft) | 0.7m (2.4ft) |
| Direction | 258° WSW | 250° WSW | 241° WSW | 234° SW | 230° SW | 231° SW | 234° SW | 239° WSW |
| Period | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. |
| Significant height | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.1m (3.6ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Sunday 7 December 2025
On Sunday 7 December 2025, the sun will rise at 07:35 and will set at 17:15 on the beach(es) of Ansan-si. The outside temperature will be a high of 52°F t and a low of 47°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 29.8mph). 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 | 9°C (49°F) | 9°C (48°F) | 9°C (47°F) | 9°C (48°F) | 10°C (49°F) | 11°C (52°F) | 10°C (49°F) | 9°C (48°F) |
| Perceived temperature | 6°C (43°F) | 6°C (42°F) | 6°C (42°F) | 6°C (44°F) | 7°C (44°F) | 8°C (46°F) | 6°C (43°F) | 5°C (41°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 70% | 69% | 71% | 67% | 58% | 63% | 63% | 51% |
| Barometric pressure | 1019 hPa | 1019 hPa | 1020 hPa | 1021 hPa | 1021 hPa | 1019 hPa | 1020 hPa | 1022 hPa |
| Cloud cover | 2% | 7% | 20% | 0% | 5% | 33% | 53% | 88% |
| Heat index | 9°C (49°F) | 9°C (48°F) | 9°C (47°F) | 9°C (48°F) | 10°C (49°F) | 11°C (52°F) | 10°C (49°F) | 9°C (48°F) |
| Dew point | 4°C (39°F) | 3°C (38°F) | 4°C (38°F) | 3°C (38°F) | 2°C (35°F) | 4°C (40°F) | 3°C (38°F) | -1°C (31°F) |
| Wind | ||||||||
| Speed | 23km/h (14mph) | 21km/h (13mph) | 21km/h (13mph) | 17km/h (10mph) | 21km/h (13mph) | 27km/h (17mph) | 31km/h (19mph) | 30km/h (19mph) |
| Gusts | 36km/h (22mph) | 32km/h (20mph) | 33km/h (21mph) | 26km/h (16mph) | 34km/h (21mph) | 40km/h (25mph) | 48km/h (30mph) | 43km/h (27mph) |
| Direction | 273° W | 275° W | 275° W | 266° W | 243° WSW | 244° WSW | 281° W | 303° WNW |
| Wind chill | 6°C (43°F) | 6°C (42°F) | 6°C (42°F) | 6°C (44°F) | 7°C (44°F) | 8°C (46°F) | 6°C (43°F) | 5°C (41°F) |
| Waves | ||||||||
| Height | 0.5m (1.8ft) | 0.5m (1.7ft) | 0.5m (1.5ft) | 0.4m (1.2ft) | 0.4m (1.4ft) | 0.5m (1.5ft) | 0.5m (1.8ft) | 0.6m (2.0ft) |
| Direction | 260° W | 262° W | 265° W | 266° W | 260° W | 247° WSW | 259° WSW | 274° W |
| Period | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. |
| Significant height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.9m (3ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Monday 8 December 2025
On Monday 8 December 2025, the sun will rise at 07:36 and will set at 17:15 on the beach(es) of Ansan-si. The outside temperature will be a high of 47°F t and a low of 29°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 21.8mph km/h (with gusts up to 29.2mph). Wave height will be up to 2.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Outside temperature | 8°C (46°F) | 6°C (43°F) | 4°C (39°F) | 3°C (37°F) | 1°C (34°F) | 1°C (34°F) | -1°C (31°F) | 2°C (35°F) |
| Perceived temperature | 4°C (38°F) | 1°C (34°F) | -2°C (29°F) | -2°C (28°F) | -5°C (24°F) | -5°C (24°F) | -7°C (19°F) | -4°C (25°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 48% | 49% | 59% | 60% | 53% | 37% | 39% | 43% |
| Barometric pressure | 1023 hPa | 1026 hPa | 1027 hPa | 1029 hPa | 1029 hPa | 1029 hPa | 1030 hPa | 1031 hPa |
| Cloud cover | 19% | 33% | 15% | 0% | 0% | 0% | 0% | 0% |
| Heat index | 8°C (46°F) | 6°C (43°F) | 4°C (39°F) | 3°C (37°F) | 1°C (34°F) | 1°C (34°F) | -1°C (31°F) | 2°C (35°F) |
| Dew point | -2°C (28°F) | -4°C (25°F) | -4°C (25°F) | -4°C (25°F) | -7°C (19°F) | -12°C (11°F) | -13°C (9°F) | -10°C (15°F) |
| Wind | ||||||||
| Speed | 35km/h (22mph) | 33km/h (20mph) | 30km/h (19mph) | 27km/h (17mph) | 28km/h (17mph) | 28km/h (17mph) | 28km/h (18mph) | 24km/h (15mph) |
| Gusts | 47km/h (30mph) | 43km/h (27mph) | 38km/h (24mph) | 34km/h (21mph) | 33km/h (20mph) | 31km/h (19mph) | 31km/h (19mph) | 31km/h (19mph) |
| Direction | 302° WNW | 317° NW | 328° NNW | 327° NNW | 321° NW | 323° NW | 337° NNW | 340° NNW |
| Wind chill | 4°C (38°F) | 1°C (34°F) | -2°C (29°F) | -2°C (28°F) | -5°C (24°F) | -5°C (24°F) | -7°C (19°F) | -4°C (25°F) |
| Waves | ||||||||
| Height | 0.7m (2.2ft) | 0.7m (2.2ft) | 0.5m (1.7ft) | 0.5m (1.6ft) | 0.5m (1.5ft) | 0.5m (1.7ft) | 0.6m (1.8ft) | 0.5m (1.6ft) |
| Direction | 290° WNW | 307° NW | 318° NW | 314° NW | 312° NW | 300° WNW | 314° NW | 330° NNW |
| Period | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. | 3.5 sec. |
| Significant height | 1.2m (3.9ft) | 1.2m (3.9ft) | 0.9m (3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Tuesday 9 December 2025
On Tuesday 9 December 2025, the sun will rise at 07:36 and will set at 17:16 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 12.4mph 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 | 2°C (35°F) | 2°C (35°F) | 1°C (34°F) | 2°C (35°F) | 4°C (39°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
| Perceived temperature | -3°C (26°F) | -3°C (27°F) | -2°C (29°F) | 2°C (35°F) | 3°C (37°F) | 4°C (39°F) | 4°C (39°F) | 6°C (42°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 41% | 41% | 39% | 38% | 48% | 57% | 58% | 55% |
| Barometric pressure | 1031 hPa | 1031 hPa | 1030 hPa | 1031 hPa | 1031 hPa | 1029 hPa | 1030 hPa | 1029 hPa |
| Cloud cover | 0% | 0% | 2% | 1% | 58% | 62% | 42% | 0% |
| Heat index | 2°C (35°F) | 2°C (35°F) | 1°C (34°F) | 2°C (35°F) | 4°C (39°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
| Dew point | -10°C (14°F) | -10°C (14°F) | -11°C (12°F) | -11°C (12°F) | -6°C (21°F) | -2°C (28°F) | -2°C (29°F) | -3°C (27°F) |
| Wind | ||||||||
| Speed | 20km/h (13mph) | 18km/h (11mph) | 10km/h (6mph) | 3km/h (2mph) | 5km/h (3mph) | 9km/h (5mph) | 9km/h (6mph) | 2km/h (1mph) |
| Gusts | 26km/h (16mph) | 24km/h (15mph) | 14km/h (8mph) | 4km/h (3mph) | 7km/h (4mph) | 12km/h (8mph) | 14km/h (9mph) | 3km/h (2mph) |
| Direction | 343° NNW | 346° NNW | 11° N | 95° E | 219° SW | 261° W | 273° W | 291° WNW |
| Wind chill | -3°C (26°F) | -3°C (27°F) | -2°C (29°F) | 2°C (35°F) | 3°C (37°F) | 4°C (39°F) | 4°C (39°F) | 6°C (42°F) |
| Waves | ||||||||
| Height | 0.4m (1.4ft) | 0.3m (1.0ft) | 0.2m (0.7ft) | 0.1m (0.4ft) | 0.1m (0.5ft) | 0.5m (1.7ft) | 0.4m (1.2ft) | 0.3m (1.1ft) |
| Direction | 329° NNW | 338° NNW | 334° NNW | 314° NW | 261° W | 259° W | 259° WSW | 261° W |
| Period | 3.5 sec. | 3.5 sec. | 3.7 sec. | 3.4 sec. | 3.3 sec. | 4.1 sec. | 3.8 sec. | 3.8 sec. |
| Significant height | 0.8m (2.6ft) | 0.6m (2ft) | 0.4m (1.3ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Wednesday 10 December 2025
On Wednesday 10 December 2025, the sun will rise at 07:37 and will set at 17:16 on the beach(es) of Ansan-si. The outside temperature will be a high of 45°F t and a low of 41°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 6.8mph km/h (with gusts up to 9.3mph). 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 | 5°C (42°F) | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) | 6°C (43°F) | 7°C (45°F) | 7°C (44°F) | 7°C (45°F) |
| Perceived temperature | 5°C (41°F) | 3°C (37°F) | 3°C (37°F) | 2°C (36°F) | 4°C (39°F) | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 58% | 64% | 66% | 67% | 65% | 64% | 67% | 68% |
| Barometric pressure | 1029 hPa | 1029 hPa | 1028 hPa | 1028 hPa | 1027 hPa | 1026 hPa | 1026 hPa | 1026 hPa |
| Cloud cover | 0% | 100% | 7% | 25% | 100% | 100% | 100% | 100% |
| Heat index | 5°C (42°F) | 5°C (41°F) | 5°C (41°F) | 5°C (41°F) | 6°C (43°F) | 7°C (45°F) | 7°C (44°F) | 7°C (45°F) |
| Dew point | -2°C (28°F) | -1°C (30°F) | -1°C (30°F) | -1°C (31°F) | -0°C (32°F) | 1°C (33°F) | 1°C (34°F) | 1°C (35°F) |
| Wind | ||||||||
| Speed | 4km/h (2mph) | 9km/h (5mph) | 9km/h (5mph) | 11km/h (7mph) | 9km/h (6mph) | 6km/h (4mph) | 5km/h (3mph) | 7km/h (4mph) |
| Gusts | 6km/h (4mph) | 13km/h (8mph) | 13km/h (8mph) | 15km/h (9mph) | 13km/h (8mph) | 9km/h (6mph) | 8km/h (5mph) | 10km/h (6mph) |
| Direction | 149° SSE | 130° SE | 146° SE | 147° SSE | 176° S | 212° SSW | 198° SSW | 183° S |
| Wind chill | 5°C (41°F) | 3°C (37°F) | 3°C (37°F) | 2°C (36°F) | 4°C (39°F) | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) |
| Waves | ||||||||
| Height | 0.3m (1.0ft) | 0.1m (0.4ft) | 0.4m (1.4ft) | 0.4m (1.5ft) | 0.1m (0.5ft) | 0.1m (0.4ft) | 0.1m (0.4ft) | 0.3m (1.0ft) |
| Direction | 262° W | 261° W | 260° W | 258° WSW | 151° SSE | 157° SSE | 167° SSE | 179° S |
| Period | 3.4 sec. | 3.3 sec. | 3.2 sec. | 3.0 sec. | 3.0 sec. | 2.0 sec. | 2.0 sec. | 2.0 sec. |
| Significant height | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.3m (1ft) | 0.3m (1ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |
Sea weather on Thursday 11 December 2025
On Thursday 11 December 2025, the sun will rise at 07:38 and will set at 17:16 on the beach(es) of Ansan-si. The outside temperature will be a high of 49°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 7.5mph km/h (with gusts up to 11.2mph). 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 (44°F) | 7°C (44°F) | 6°C (43°F) | 7°C (44°F) | 8°C (46°F) | 8°C (47°F) | 8°C (47°F) | 9°C (48°F) |
| Perceived temperature | 6°C (42°F) | 6°C (42°F) | 5°C (40°F) | 4°C (40°F) | 7°C (45°F) | 8°C (47°F) | 7°C (45°F) | 7°C (44°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 69% | 70% | 72% | 73% | 65% | 63% | 71% | 77% |
| Barometric pressure | 1025 hPa | 1026 hPa | 1026 hPa | 1026 hPa | 1026 hPa | 1026 hPa | 1027 hPa | 1028 hPa |
| Cloud cover | 100% | 21% | 57% | 57% | 10% | 14% | 33% | 88% |
| Heat index | 7°C (44°F) | 7°C (44°F) | 6°C (43°F) | 7°C (44°F) | 8°C (46°F) | 8°C (47°F) | 8°C (47°F) | 9°C (48°F) |
| Dew point | 2°C (35°F) | 2°C (35°F) | 2°C (35°F) | 2°C (36°F) | 1°C (34°F) | 2°C (35°F) | 4°C (38°F) | 5°C (41°F) |
| Wind | ||||||||
| Speed | 7km/h (4mph) | 6km/h (4mph) | 7km/h (4mph) | 10km/h (6mph) | 5km/h (3mph) | 4km/h (3mph) | 8km/h (5mph) | 12km/h (8mph) |
| Gusts | 10km/h (6mph) | 9km/h (6mph) | 11km/h (7mph) | 15km/h (10mph) | 7km/h (5mph) | 7km/h (4mph) | 13km/h (8mph) | 18km/h (11mph) |
| Direction | 162° SSE | 133° SE | 94° E | 105° ESE | 113° ESE | 301° WNW | 292° WNW | 309° NW |
| Wind chill | 6°C (42°F) | 6°C (42°F) | 5°C (40°F) | 4°C (40°F) | 7°C (45°F) | 8°C (47°F) | 7°C (45°F) | 7°C (44°F) |
| Waves | ||||||||
| Height | 0.3m (0.9ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.2m (0.5ft) | 0.1m (0.3ft) | 0.1m (0.5ft) | 0.5m (1.8ft) | 0.1m (0.3ft) |
| Direction | 180° S | 266° W | 262° W | 256° WSW | 250° WSW | 246° WSW | 244° WSW | 242° WSW |
| Period | 2.0 sec. | 2.0 sec. | 3.7 sec. | 3.8 sec. | 3.9 sec. | 4.0 sec. | 4.1 sec. | 4.1 sec. |
| Significant height | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) |






