Sea weather in Castlerock in Northern Ireland All the beach weather in Castlerock
All the essential weather information for enjoying the beach in Castlerock in Northern Ireland, 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 Castlerock over the next 7 days?
Discover the best moment to go to the beach in Castlerock in Northern Ireland this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Castlerock. 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 |
|---|---|---|---|---|
| Saturday 21 December 2024 | 40°F to 52°F | 35.4mph | not recommended | all the sea weather |
| Sunday 22 December 2024 | 40°F to 45°F | 34.2mph | not recommended | all the sea weather |
| Monday 23 December 2024 | 41°F to 50°F | 13.1mph | not recommended | all the sea weather |
| Tuesday 24 December 2024 | 50°F to 54°F | 12.4mph | discouraged | all the sea weather |
| Wednesday 25 December 2024 | 47°F to 50°F | 12.4mph | discouraged | all the sea weather |
| Thursday 26 December 2024 | 47°F to 50°F | 10.6mph | discouraged | all the sea weather |
| Friday 27 December 2024 | 43°F to 49°F | 5.6mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Castlerock
Sea weather on Saturday 21 December 2024
On Saturday 21 December 2024, the sun will rise at 08:51 and will set at 15:59 on the beach(es) of Castlerock. The outside temperature will be a high of 52°F t and a low of 40°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 37.3mph km/h (with gusts up to 40.4mph). Wave height will be up to 19ft 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) | 9°C (48°F) | 11°C (51°F) | 8°C (46°F) | 6°C (43°F) | 6°C (43°F) | 5°C (42°F) | 5°C (40°F) |
| Perceived temperature | 3°C (38°F) | 4°C (40°F) | 6°C (43°F) | 2°C (36°F) | -0°C (32°F) | -1°C (31°F) | -1°C (30°F) | -2°C (28°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 85% | 85% | 78% | 73% | 69% | 71% | 72% | 79% |
| Barometric pressure | 1008 hPa | 1004 hPa | 1001 hPa | 1002 hPa | 1003 hPa | 1002 hPa | 1002 hPa | 1001 hPa |
| Cloud cover | 100% | 100% | 79% | 70% | 95% | 71% | 94% | 100% |
| Heat index | 8°C (46°F) | 9°C (48°F) | 11°C (51°F) | 8°C (46°F) | 6°C (43°F) | 6°C (43°F) | 5°C (42°F) | 5°C (40°F) |
| Dew point | 5°C (42°F) | 6°C (43°F) | 7°C (44°F) | 3°C (38°F) | 1°C (34°F) | 1°C (34°F) | 1°C (34°F) | 1°C (34°F) |
| Wind | ||||||||
| Speed | 33km/h (21mph) | 40km/h (25mph) | 51km/h (32mph) | 52km/h (32mph) | 60km/h (37mph) | 58km/h (36mph) | 55km/h (34mph) | 57km/h (35mph) |
| Gusts | 49km/h (31mph) | 41km/h (25mph) | 57km/h (36mph) | 53km/h (33mph) | 65km/h (40mph) | 59km/h (36mph) | 61km/h (38mph) | 59km/h (37mph) |
| Direction | 231° SW | 222° SW | 268° W | 263° W | 269° W | 267° W | 275° W | 277° W |
| Wind chill | 3°C (38°F) | 4°C (40°F) | 6°C (43°F) | 2°C (36°F) | -0°C (32°F) | -1°C (31°F) | -1°C (30°F) | -2°C (28°F) |
| Waves | ||||||||
| Height | 2.3m (7.4ft) | 2.2m (7.3ft) | 2.4m (7.9ft) | 3.4m (11.1ft) | 4.3m (14.1ft) | 5.1m (16.7ft) | 5.7m (18.6ft) | 5.8m (19.0ft) |
| Direction | 307° NW | 307° NW | 304° WNW | 304° WNW | 308° NW | 312° NW | 316° NW | 316° NW |
| Period | 11.5 sec. | 11.5 sec. | 11.2 sec. | 11.6 sec. | 12.8 sec. | 14.4 sec. | 15.7 sec. | 16.2 sec. |
| Significant height | 1.0m (3.3ft) | 1.3m (4.3ft) | 1.6m (5.2ft) | 1.8m (5.9ft) | 2.1m (6.9ft) | 2.1m (6.9ft) | 2.1m (6.9ft) | 2.0m (6.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) |
Sea weather on Sunday 22 December 2024
On Sunday 22 December 2024, the sun will rise at 08:51 and will set at 16:00 on the beach(es) of Castlerock. The outside temperature will be a high of 45°F t and a low of 40°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 44.1mph km/h (with gusts up to 46.6mph). Wave height will be up to 25.6ft 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) | 5°C (40°F) | 6°C (42°F) | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 6°C (43°F) | 7°C (44°F) |
| Perceived temperature | -3°C (26°F) | -3°C (27°F) | -1°C (30°F) | -1°C (30°F) | -2°C (28°F) | -2°C (29°F) | -1°C (31°F) | 1°C (33°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 79% | 88% | 77% | 71% | 69% | 69% | 69% | 66% |
| Barometric pressure | 1000 hPa | 998 hPa | 1000 hPa | 1004 hPa | 1008 hPa | 1011 hPa | 1015 hPa | 1019 hPa |
| Cloud cover | 100% | 100% | 100% | 100% | 78% | 72% | 84% | 89% |
| Heat index | 4°C (39°F) | 5°C (40°F) | 6°C (42°F) | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 6°C (43°F) | 7°C (44°F) |
| Dew point | 1°C (33°F) | 3°C (37°F) | 2°C (36°F) | 1°C (34°F) | -0°C (32°F) | 0°C (32°F) | 1°C (33°F) | 1°C (33°F) |
| Wind | ||||||||
| Speed | 62km/h (38mph) | 71km/h (44mph) | 67km/h (42mph) | 64km/h (40mph) | 70km/h (44mph) | 64km/h (40mph) | 61km/h (38mph) | 55km/h (34mph) |
| Gusts | 65km/h (41mph) | 74km/h (46mph) | 70km/h (43mph) | 65km/h (40mph) | 75km/h (47mph) | 69km/h (43mph) | 65km/h (40mph) | 59km/h (36mph) |
| Direction | 280° W | 281° WNW | 296° WNW | 305° NW | 306° NW | 309° NW | 317° NW | 321° NW |
| Wind chill | -3°C (26°F) | -3°C (27°F) | -1°C (30°F) | -1°C (30°F) | -2°C (28°F) | -2°C (29°F) | -1°C (31°F) | 1°C (33°F) |
| Waves | ||||||||
| Height | 5.9m (19.4ft) | 5.8m (19.2ft) | 7.3m (23.9ft) | 7.8m (25.6ft) | 7.7m (25.2ft) | 6.9m (22.7ft) | 6.3m (20.8ft) | 5.9m (19.3ft) |
| Direction | 316° NW | 315° NW | 315° NW | 318° NW | 319° NW | 319° NW | 318° NW | 320° NW |
| Period | 15.7 sec. | 15.5 sec. | 15.7 sec. | 16.7 sec. | 16.6 sec. | 15.6 sec. | 15.2 sec. | 14.3 sec. |
| Significant height | 2.2m (7.2ft) | 2.1m (6.9ft) | 3.1m (10.2ft) | 3.1m (10.2ft) | 3.0m (9.8ft) | 2.6m (8.5ft) | 2.4m (7.9ft) | 2.3m (7.5ft) |
| Sea water temperature | ||||||||
| Water temperature | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) |
Sea weather on Monday 23 December 2024
On Monday 23 December 2024, the sun will rise at 08:52 and will set at 16:00 on the beach(es) of Castlerock. The outside temperature will be a high of 50°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! Be careful, the sea will be generally rough with a wind speed of up to 31.1mph km/h (with gusts up to 32.9mph). Wave height will be up to 17.1ft 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 (45°F) | 7°C (45°F) | 6°C (43°F) | 5°C (42°F) | 5°C (41°F) | 8°C (46°F) | 10°C (50°F) |
| Perceived temperature | 2°C (35°F) | 3°C (37°F) | 3°C (37°F) | 3°C (38°F) | 2°C (36°F) | 1°C (33°F) | 5°C (40°F) | 7°C (45°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 63% | 63% | 63% | 70% | 80% | 93% | 95% | 97% |
| Barometric pressure | 1021 hPa | 1023 hPa | 1024 hPa | 1024 hPa | 1023 hPa | 1020 hPa | 1019 hPa | 1019 hPa |
| Cloud cover | 73% | 56% | 74% | 42% | 100% | 100% | 100% | 100% |
| Heat index | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 6°C (43°F) | 5°C (42°F) | 5°C (41°F) | 8°C (46°F) | 10°C (50°F) |
| Dew point | 1°C (33°F) | 1°C (33°F) | 1°C (33°F) | 1°C (34°F) | 2°C (36°F) | 4°C (39°F) | 7°C (44°F) | 9°C (49°F) |
| Wind | ||||||||
| Speed | 50km/h (31mph) | 40km/h (25mph) | 28km/h (18mph) | 14km/h (9mph) | 13km/h (8mph) | 22km/h (13mph) | 20km/h (12mph) | 21km/h (13mph) |
| Gusts | 53km/h (33mph) | 40km/h (25mph) | 45km/h (28mph) | 25km/h (15mph) | 22km/h (13mph) | 33km/h (21mph) | 34km/h (21mph) | 35km/h (22mph) |
| Direction | 322° NW | 320° NW | 315° NW | 262° W | 191° SSW | 175° S | 227° SW | 246° WSW |
| Wind chill | 2°C (35°F) | 3°C (37°F) | 3°C (37°F) | 3°C (38°F) | 2°C (36°F) | 1°C (33°F) | 5°C (40°F) | 7°C (45°F) |
| Waves | ||||||||
| Height | 5.2m (17.0ft) | 4.5m (14.8ft) | 3.8m (12.4ft) | 3.1m (10.3ft) | 2.6m (8.7ft) | 2.2m (7.3ft) | 1.9m (6.1ft) | 1.6m (5.3ft) |
| Direction | 318° NW | 319° NW | 318° NW | 317° NW | 317° NW | 314° NW | 311° NW | 309° NW |
| Period | 13.9 sec. | 13.6 sec. | 13.2 sec. | 13.2 sec. | 12.6 sec. | 12.4 sec. | 12.5 sec. | 12.3 sec. |
| Significant height | 1.9m (6.2ft) | 1.6m (5.2ft) | 1.1m (3.6ft) | 0.5m (1.6ft) | 0.3m (1ft) | 0.5m (1.6ft) | 0.6m (2ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) |
Sea weather on Tuesday 24 December 2024
On Tuesday 24 December 2024, the sun will rise at 08:52 and will set at 16:01 on the beach(es) of Castlerock. The outside temperature will be a high of 54°F t and a low of 50°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 18mph km/h (with gusts up to 24.9mph). Wave height will be up to 9.5ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | |  | | | | | |
| Outside temperature | 11°C (51°F) | 11°C (52°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 11°C (52°F) | 10°C (49°F) | 10°C (50°F) |
| Perceived temperature | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) | 9°C (49°F) | 9°C (48°F) | 8°C (47°F) | 7°C (44°F) | 7°C (45°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 97% | 96% | 95% | 92% | 84% | 86% | 92% | 91% |
| Barometric pressure | 1019 hPa | 1019 hPa | 1019 hPa | 1020 hPa | 1021 hPa | 1021 hPa | 1022 hPa | 1023 hPa |
| Cloud cover | 100% | 100% | 100% | 44% | 91% | 24% | 67% | 35% |
| Heat index | 11°C (51°F) | 11°C (52°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 11°C (52°F) | 10°C (49°F) | 10°C (50°F) |
| Dew point | 10°C (51°F) | 10°C (51°F) | 11°C (51°F) | 11°C (51°F) | 9°C (49°F) | 9°C (48°F) | 8°C (47°F) | 9°C (47°F) |
| Wind | ||||||||
| Speed | 17km/h (11mph) | 18km/h (11mph) | 21km/h (13mph) | 24km/h (15mph) | 29km/h (18mph) | 26km/h (16mph) | 19km/h (12mph) | 20km/h (13mph) |
| Gusts | 28km/h (17mph) | 30km/h (19mph) | 35km/h (22mph) | 40km/h (25mph) | 31km/h (19mph) | 29km/h (18mph) | 37km/h (23mph) | 24km/h (15mph) |
| Direction | 235° SW | 221° SW | 232° SW | 220° SW | 230° SW | 212° SSW | 181° S | 181° S |
| Wind chill | 9°C (48°F) | 9°C (48°F) | 9°C (49°F) | 9°C (49°F) | 9°C (48°F) | 8°C (47°F) | 7°C (44°F) | 7°C (45°F) |
| Waves | ||||||||
| Height | 1.5m (5.0ft) | 1.5m (5.1ft) | 1.6m (5.2ft) | 1.7m (5.6ft) | 1.8m (5.9ft) | 2.0m (6.6ft) | 2.5m (8.3ft) | 2.9m (9.7ft) |
| Direction | 309° NW | 310° NW | 307° NW | 308° NW | 307° NW | 306° NW | 314° NW | 318° NW |
| Period | 11.7 sec. | 11.6 sec. | 11.0 sec. | 10.8 sec. | 10.9 sec. | 11.3 sec. | 13.2 sec. | 16.1 sec. |
| Significant height | 0.9m (3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) |
Sea weather on Wednesday 25 December 2024
On Wednesday 25 December 2024, the sun will rise at 08:52 and will set at 16:02 on the beach(es) of Castlerock. The outside temperature will be a high of 50°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 13.7mph km/h (with gusts up to 24.2mph). Wave height will be up to 9.5ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 10°C (49°F) | 9°C (48°F) | 9°C (47°F) | 9°C (47°F) | 10°C (49°F) | 10°C (51°F) | 10°C (50°F) | 10°C (50°F) |
| Perceived temperature | 7°C (44°F) | 6°C (43°F) | 6°C (42°F) | 5°C (42°F) | 7°C (44°F) | 8°C (46°F) | 7°C (45°F) | 7°C (45°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 92% | 92% | 92% | 92% | 83% | 79% | 83% | 87% |
| Barometric pressure | 1024 hPa | 1024 hPa | 1025 hPa | 1026 hPa | 1027 hPa | 1028 hPa | 1029 hPa | 1030 hPa |
| Cloud cover | 15% | 11% | 5% | 12% | 19% | 99% | 66% | 11% |
| Heat index | 10°C (49°F) | 9°C (48°F) | 9°C (47°F) | 9°C (47°F) | 10°C (49°F) | 10°C (51°F) | 10°C (50°F) | 10°C (50°F) |
| Dew point | 8°C (47°F) | 8°C (46°F) | 7°C (45°F) | 7°C (45°F) | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) | 8°C (46°F) |
| Wind | ||||||||
| Speed | 21km/h (13mph) | 19km/h (12mph) | 19km/h (12mph) | 21km/h (13mph) | 21km/h (13mph) | 22km/h (14mph) | 19km/h (12mph) | 20km/h (13mph) |
| Gusts | 39km/h (24mph) | 36km/h (22mph) | 23km/h (14mph) | 21km/h (13mph) | 36km/h (22mph) | 38km/h (24mph) | 34km/h (21mph) | 34km/h (21mph) |
| Direction | 178° S | 180° S | 173° S | 166° SSE | 188° S | 208° SSW | 178° S | 177° S |
| Wind chill | 7°C (44°F) | 6°C (43°F) | 6°C (42°F) | 5°C (42°F) | 7°C (44°F) | 8°C (46°F) | 7°C (45°F) | 7°C (45°F) |
| Waves | ||||||||
| Height | 2.9m (9.6ft) | 2.7m (8.9ft) | 2.6m (8.4ft) | 2.4m (7.9ft) | 2.4m (7.8ft) | 2.3m (7.7ft) | 2.3m (7.5ft) | 2.3m (7.6ft) |
| Direction | 315° NW | 312° NW | 310° NW | 309° NW | 308° NW | 307° NW | 307° NW | 309° NW |
| Period | 15.2 sec. | 14.7 sec. | 14.4 sec. | 14.1 sec. | 14.2 sec. | 14.3 sec. | 14.4 sec. | 14.5 sec. |
| Significant height | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) |
Sea weather on Thursday 26 December 2024
On Thursday 26 December 2024, the sun will rise at 08:52 and will set at 16:03 on the beach(es) of Castlerock. The outside temperature will be a high of 50°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 13.1mph km/h (with gusts up to 23mph). Wave height will be up to 7.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  | | | | |
| Outside temperature | 9°C (48°F) | 9°C (49°F) | 9°C (48°F) | 9°C (49°F) | 10°C (49°F) | 9°C (49°F) | 8°C (47°F) | 8°C (47°F) |
| Perceived temperature | 6°C (43°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) | 7°C (45°F) | 5°C (42°F) | 5°C (42°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 92% | 92% | 92% | 89% | 87% | 88% | 90% | 91% |
| Barometric pressure | 1031 hPa | 1032 hPa | 1032 hPa | 1034 hPa | 1034 hPa | 1033 hPa | 1033 hPa | 1033 hPa |
| Cloud cover | 100% | 100% | 100% | 83% | 100% | 61% | 34% | 11% |
| Heat index | 9°C (48°F) | 9°C (49°F) | 9°C (48°F) | 9°C (49°F) | 10°C (49°F) | 9°C (49°F) | 8°C (47°F) | 8°C (47°F) |
| Dew point | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 7°C (45°F) | 7°C (44°F) | 7°C (44°F) |
| Wind | ||||||||
| Speed | 21km/h (13mph) | 18km/h (11mph) | 15km/h (9mph) | 17km/h (11mph) | 16km/h (10mph) | 15km/h (10mph) | 17km/h (10mph) | 17km/h (11mph) |
| Gusts | 37km/h (23mph) | 33km/h (20mph) | 29km/h (18mph) | 32km/h (20mph) | 29km/h (18mph) | 28km/h (17mph) | 33km/h (20mph) | 32km/h (20mph) |
| Direction | 174° S | 172° S | 175° S | 167° SSE | 170° S | 161° SSE | 167° SSE | 169° S |
| Wind chill | 6°C (43°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) | 7°C (45°F) | 7°C (45°F) | 5°C (42°F) | 5°C (42°F) |
| Waves | ||||||||
| Height | 2.2m (7.4ft) | 2.1m (7.0ft) | 2.1m (6.8ft) | 2.0m (6.6ft) | 2.0m (6.5ft) | 1.9m (6.4ft) | 1.9m (6.2ft) | 1.8m (6.0ft) |
| Direction | 311° NW | 312° NW | 313° NW | 315° NW | 316° NW | 313° NW | 314° NW | 316° NW |
| Period | 14.2 sec. | 14.0 sec. | 14.1 sec. | 14.1 sec. | 14.0 sec. | 13.7 sec. | 13.5 sec. | 13.3 sec. |
| Significant height | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) |
Sea weather on Friday 27 December 2024
On Friday 27 December 2024, the sun will rise at 08:53 and will set at 16:03 on the beach(es) of Castlerock. 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 10.6mph km/h (with gusts up to 18mph). Wave height will be up to 6.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 7°C (45°F) | 7°C (45°F) | 8°C (47°F) | 9°C (47°F) | 8°C (47°F) | 8°C (46°F) | 6°C (43°F) | 6°C (43°F) |
| Perceived temperature | 5°C (40°F) | 5°C (40°F) | 6°C (42°F) | 6°C (43°F) | 6°C (42°F) | 5°C (42°F) | 4°C (38°F) | 4°C (40°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 92% | 94% | 92% | 91% | 90% | 91% | 90% | 88% |
| Barometric pressure | 1032 hPa | 1032 hPa | 1031 hPa | 1031 hPa | 1031 hPa | 1030 hPa | 1029 hPa | 1029 hPa |
| Cloud cover | 24% | 85% | 90% | 62% | 23% | 31% | 12% | 3% |
| Heat index | 7°C (45°F) | 7°C (45°F) | 8°C (47°F) | 9°C (47°F) | 8°C (47°F) | 8°C (46°F) | 6°C (43°F) | 6°C (43°F) |
| Dew point | 6°C (43°F) | 6°C (43°F) | 7°C (45°F) | 7°C (45°F) | 7°C (44°F) | 7°C (44°F) | 4°C (40°F) | 4°C (40°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 13km/h (8mph) | 15km/h (9mph) | 17km/h (10mph) | 16km/h (10mph) | 14km/h (9mph) | 11km/h (7mph) | 9km/h (6mph) |
| Gusts | 29km/h (18mph) | 22km/h (14mph) | 26km/h (16mph) | 27km/h (17mph) | 26km/h (16mph) | 24km/h (15mph) | 23km/h (14mph) | 17km/h (10mph) |
| Direction | 167° SSE | 166° SSE | 149° SSE | 157° SSE | 164° SSE | 162° SSE | 156° SSE | 153° SSE |
| Wind chill | 5°C (40°F) | 5°C (40°F) | 6°C (42°F) | 6°C (43°F) | 6°C (42°F) | 5°C (42°F) | 4°C (38°F) | 4°C (40°F) |
| Waves | ||||||||
| Height | 1.8m (5.8ft) | 1.7m (5.6ft) | 1.7m (5.4ft) | 1.6m (5.2ft) | 1.5m (5.0ft) | 1.5m (4.9ft) | 1.6m (5.2ft) | 1.9m (6.3ft) |
| Direction | 316° NW | 317° NW | 317° NW | 318° NW | 314° NW | 314° NW | 314° NW | 316° NW |
| Period | 13.2 sec. | 13.2 sec. | 13.1 sec. | 12.9 sec. | 12.4 sec. | 12.1 sec. | 12.5 sec. | 13.4 sec. |
| Significant height | 0.6m (2ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.3m (1ft) |
| Sea water temperature | ||||||||
| Water temperature | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) | 11°C (51°F) |