Sea weather in Derry (Londonderry) in Northern Ireland All the beach weather in Derry (Londonderry)
All the essential weather information for enjoying the beach in Derry (Londonderry) 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 Derry (Londonderry) over the next 7 days?
Discover the best moment to go to the beach in Derry (Londonderry) in Northern Ireland this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Derry (Londonderry). 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 19 July 2026 | 52°F to 59°F | 8.7mph | discouraged | all the sea weather |
| Monday 20 July 2026 | 56°F to 59°F | 11.8mph | discouraged | all the sea weather |
| Tuesday 21 July 2026 | 56°F to 59°F | 16.2mph | discouraged | all the sea weather |
| Wednesday 22 July 2026 | 56°F to 59°F | 11.2mph | discouraged | all the sea weather |
| Thursday 23 July 2026 | 52°F to 63°F | 13.1mph | discouraged | all the sea weather |
| Friday 24 July 2026 | 52°F to 65°F | 13.7mph | discouraged | all the sea weather |
| Saturday 25 July 2026 | 56°F to 59°F | 14.3mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Derry (Londonderry)
Sea weather on Sunday 19 July 2026
On Sunday 19 July 2026, the sun will rise at 05:17 and will set at 21:54 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 59°F t and a low of 52°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 21.8mph). Wave height will be up to 3.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | |  | | | | | |
| Outside temperature | 12°C (54°F) | 12°C (53°F) | 12°C (54°F) | 14°C (57°F) | 15°C (58°F) | 15°C (58°F) | 14°C (57°F) | 13°C (55°F) |
| Perceived temperature | 10°C (50°F) | 10°C (49°F) | 10°C (51°F) | 13°C (55°F) | 13°C (56°F) | 13°C (56°F) | 12°C (54°F) | 12°C (53°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 89% | 88% | 87% | 72% | 68% | 74% | 79% | 95% |
| Barometric pressure | 1027 hPa | 1027 hPa | 1027 hPa | 1028 hPa | 1029 hPa | 1029 hPa | 1029 hPa | 1030 hPa |
| Cloud cover | 39% | 45% | 34% | 10% | 16% | 20% | 29% | 92% |
| Heat index | 12°C (54°F) | 12°C (53°F) | 12°C (54°F) | 14°C (57°F) | 15°C (58°F) | 15°C (58°F) | 14°C (57°F) | 13°C (55°F) |
| Dew point | 10°C (51°F) | 10°C (50°F) | 10°C (50°F) | 9°C (48°F) | 9°C (47°F) | 10°C (50°F) | 10°C (51°F) | 12°C (54°F) |
| Wind | ||||||||
| Speed | 22km/h (13mph) | 18km/h (11mph) | 15km/h (10mph) | 18km/h (11mph) | 18km/h (11mph) | 18km/h (11mph) | 19km/h (12mph) | 14km/h (9mph) |
| Gusts | 35km/h (22mph) | 30km/h (19mph) | 24km/h (15mph) | 24km/h (15mph) | 25km/h (16mph) | 26km/h (16mph) | 30km/h (19mph) | 23km/h (14mph) |
| Direction | 326° NNW | 329° NNW | 331° NNW | 340° NNW | 334° NNW | 340° NNW | 333° NNW | 314° NW |
| Wind chill | 10°C (50°F) | 10°C (49°F) | 10°C (51°F) | 13°C (55°F) | 13°C (56°F) | 13°C (56°F) | 12°C (54°F) | 12°C (53°F) |
| Waves | ||||||||
| Height | 1.2m (4.1ft) | 1.2m (4.1ft) | 1.1m (3.7ft) | 1.0m (3.2ft) | 0.8m (2.8ft) | 0.7m (2.5ft) | 0.7m (2.3ft) | 0.7m (2.2ft) |
| Direction | 333° NNW | 335° NNW | 336° NNW | 335° NNW | 328° NNW | 326° NW | 326° NW | 326° NW |
| Period | 13.6 sec. | 13.0 sec. | 12.6 sec. | 11.9 sec. | 11.7 sec. | 10.7 sec. | 10.9 sec. | 11.8 sec. |
| Significant height | 0.9m (3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) |
Sea weather on Monday 20 July 2026
On Monday 20 July 2026, the sun will rise at 05:18 and will set at 21:53 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 59°F t and a low of 56°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 21.8mph). Wave height will be up to 3.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | |  | | |  | | |
| Outside temperature | 14°C (57°F) | 14°C (57°F) | 14°C (57°F) | 14°C (58°F) | 15°C (58°F) | 15°C (58°F) | 14°C (57°F) | 13°C (56°F) |
| Perceived temperature | 13°C (55°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 13°C (55°F) | 13°C (56°F) | 12°C (54°F) | 12°C (53°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 91% | 91% | 87% | 82% | 80% | 80% | 86% | 93% |
| Barometric pressure | 1030 hPa | 1030 hPa | 1030 hPa | 1031 hPa | 1031 hPa | 1032 hPa | 1032 hPa | 1032 hPa |
| Cloud cover | 88% | 88% | 91% | 91% | 93% | 80% | 52% | 100% |
| Heat index | 14°C (57°F) | 14°C (57°F) | 14°C (57°F) | 14°C (58°F) | 15°C (58°F) | 15°C (58°F) | 14°C (57°F) | 13°C (56°F) |
| Dew point | 12°C (54°F) | 12°C (54°F) | 12°C (53°F) | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 12°C (53°F) | 12°C (54°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 18km/h (11mph) | 22km/h (13mph) | 24km/h (15mph) | 22km/h (14mph) | 23km/h (15mph) | 24km/h (15mph) | 19km/h (12mph) |
| Gusts | 23km/h (14mph) | 27km/h (17mph) | 31km/h (19mph) | 33km/h (21mph) | 31km/h (19mph) | 33km/h (21mph) | 35km/h (22mph) | 29km/h (18mph) |
| Direction | 317° NW | 329° NNW | 336° NNW | 332° NNW | 335° NNW | 334° NNW | 331° NNW | 330° NNW |
| Wind chill | 13°C (55°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 13°C (55°F) | 13°C (56°F) | 12°C (54°F) | 12°C (53°F) |
| Waves | ||||||||
| Height | 0.7m (2.4ft) | 0.8m (2.5ft) | 0.8m (2.6ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.1ft) | 1.0m (3.3ft) | 1.0m (3.2ft) |
| Direction | 330° NNW | 334° NNW | 332° NNW | 334° NNW | 331° NNW | 331° NNW | 332° NNW | 333° NNW |
| Period | 11.5 sec. | 11.1 sec. | 9.5 sec. | 10.9 sec. | 11.0 sec. | 11.0 sec. | 10.7 sec. | 10.4 sec. |
| Significant height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) |
Sea weather on Tuesday 21 July 2026
On Tuesday 21 July 2026, the sun will rise at 05:20 and will set at 21:51 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 59°F t and a low of 56°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 23.6mph). Wave height will be up to 3.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 14°C (57°F) | 13°C (56°F) | 14°C (56°F) | 15°C (58°F) | 15°C (59°F) | 14°C (57°F) | 14°C (57°F) | 13°C (56°F) |
| Perceived temperature | 12°C (54°F) | 12°C (53°F) | 12°C (54°F) | 13°C (56°F) | 14°C (56°F) | 12°C (54°F) | 12°C (54°F) | 11°C (52°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 90% | 94% | 90% | 84% | 79% | 77% | 83% | 80% |
| Barometric pressure | 1032 hPa | 1032 hPa | 1033 hPa | 1033 hPa | 1034 hPa | 1033 hPa | 1033 hPa | 1033 hPa |
| Cloud cover | 69% | 68% | 75% | 42% | 58% | 4% | 82% | 100% |
| Heat index | 14°C (57°F) | 13°C (56°F) | 14°C (56°F) | 15°C (58°F) | 15°C (59°F) | 14°C (57°F) | 14°C (57°F) | 13°C (56°F) |
| Dew point | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (53°F) | 11°C (53°F) | 10°C (50°F) | 11°C (52°F) | 10°C (50°F) |
| Wind | ||||||||
| Speed | 18km/h (11mph) | 17km/h (11mph) | 17km/h (11mph) | 20km/h (12mph) | 22km/h (13mph) | 22km/h (14mph) | 23km/h (14mph) | 26km/h (16mph) |
| Gusts | 26km/h (16mph) | 26km/h (16mph) | 25km/h (15mph) | 26km/h (16mph) | 28km/h (17mph) | 37km/h (23mph) | 34km/h (21mph) | 38km/h (24mph) |
| Direction | 324° NW | 323° NW | 336° NNW | 334° NNW | 338° NNW | 330° NNW | 332° NNW | 331° NNW |
| Wind chill | 12°C (54°F) | 12°C (53°F) | 12°C (54°F) | 13°C (56°F) | 14°C (56°F) | 12°C (54°F) | 12°C (54°F) | 11°C (52°F) |
| Waves | ||||||||
| Height | 1.0m (3.2ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 0.9m (3.1ft) | 0.9m (2.9ft) | 0.8m (2.7ft) | 0.8m (2.8ft) | 0.9m (3.0ft) |
| Direction | 333° NNW | 333° NNW | 333° NNW | 334° NNW | 335° NNW | 334° NNW | 337° NNW | 336° NNW |
| Period | 10.3 sec. | 10.1 sec. | 10.1 sec. | 10.1 sec. | 9.9 sec. | 9.7 sec. | 9.6 sec. | 9.6 sec. |
| Significant height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.9m (3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) |
Sea weather on Wednesday 22 July 2026
On Wednesday 22 July 2026, the sun will rise at 05:21 and will set at 21:50 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 59°F t and a low of 56°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 23mph). Wave height will be up to 3.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 13°C (56°F) | 13°C (56°F) | 14°C (57°F) | 14°C (58°F) | 14°C (58°F) | 15°C (60°F) | 14°C (57°F) | 13°C (56°F) |
| Perceived temperature | 12°C (53°F) | 11°C (53°F) | 12°C (54°F) | 13°C (55°F) | 13°C (55°F) | 15°C (60°F) | 12°C (53°F) | 12°C (53°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 81% | 91% | 94% | 92% | 91% | 81% | 83% | 81% |
| Barometric pressure | 1032 hPa | 1030 hPa | 1029 hPa | 1029 hPa | 1028 hPa | 1027 hPa | 1027 hPa | 1027 hPa |
| Cloud cover | 81% | 100% | 100% | 100% | 89% | 53% | 88% | 86% |
| Heat index | 13°C (56°F) | 13°C (56°F) | 14°C (57°F) | 14°C (58°F) | 14°C (58°F) | 15°C (60°F) | 14°C (57°F) | 13°C (56°F) |
| Dew point | 10°C (51°F) | 12°C (53°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 12°C (54°F) | 11°C (51°F) | 10°C (50°F) |
| Wind | ||||||||
| Speed | 22km/h (13mph) | 22km/h (13mph) | 20km/h (13mph) | 22km/h (14mph) | 20km/h (13mph) | 25km/h (16mph) | 23km/h (15mph) | 18km/h (11mph) |
| Gusts | 32km/h (20mph) | 31km/h (20mph) | 30km/h (18mph) | 32km/h (20mph) | 30km/h (19mph) | 37km/h (23mph) | 34km/h (21mph) | 28km/h (17mph) |
| Direction | 328° NNW | 314° NW | 309° NW | 317° NW | 316° NW | 321° NW | 327° NNW | 330° NNW |
| Wind chill | 12°C (53°F) | 11°C (53°F) | 12°C (54°F) | 13°C (55°F) | 13°C (55°F) | 15°C (60°F) | 12°C (53°F) | 12°C (53°F) |
| Waves | ||||||||
| Height | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.1ft) | 0.9m (3.0ft) | 0.9m (3.1ft) | 1.0m (3.2ft) | 1.1m (3.6ft) |
| Direction | 336° NNW | 336° NNW | 334° NNW | 332° NNW | 331° NNW | 331° NNW | 331° NNW | 331° NNW |
| Period | 9.5 sec. | 9.4 sec. | 8.3 sec. | 9.4 sec. | 9.2 sec. | 9.1 sec. | 9.0 sec. | 8.9 sec. |
| Significant height | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.9m (3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.9m (3ft) | 1.0m (3.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) |
Sea weather on Thursday 23 July 2026
On Thursday 23 July 2026, the sun will rise at 05:23 and will set at 21:48 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 63°F t and a low of 52°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 23.6mph). Wave height will be up to 3.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 12°C (54°F) | 11°C (53°F) | 12°C (54°F) | 15°C (59°F) | 17°C (63°F) | 16°C (61°F) | 14°C (58°F) | 14°C (57°F) |
| Perceived temperature | 10°C (51°F) | 10°C (50°F) | 11°C (52°F) | 14°C (57°F) | 17°C (63°F) | 16°C (61°F) | 12°C (54°F) | 12°C (54°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 90% | 94% | 94% | 85% | 69% | 61% | 74% | 83% |
| Barometric pressure | 1026 hPa | 1026 hPa | 1026 hPa | 1025 hPa | 1025 hPa | 1024 hPa | 1024 hPa | 1023 hPa |
| Cloud cover | 34% | 60% | 60% | 100% | 39% | 4% | 5% | 87% |
| Heat index | 12°C (54°F) | 11°C (53°F) | 12°C (54°F) | 15°C (59°F) | 17°C (63°F) | 16°C (61°F) | 14°C (58°F) | 14°C (57°F) |
| Dew point | 10°C (51°F) | 10°C (51°F) | 11°C (52°F) | 12°C (54°F) | 11°C (52°F) | 9°C (48°F) | 10°C (50°F) | 11°C (52°F) |
| Wind | ||||||||
| Speed | 15km/h (9mph) | 14km/h (9mph) | 11km/h (7mph) | 14km/h (9mph) | 18km/h (11mph) | 21km/h (13mph) | 26km/h (16mph) | 21km/h (13mph) |
| Gusts | 25km/h (16mph) | 24km/h (15mph) | 16km/h (10mph) | 20km/h (12mph) | 26km/h (16mph) | 38km/h (23mph) | 31km/h (20mph) | 33km/h (21mph) |
| Direction | 318° NW | 302° WNW | 284° WNW | 297° WNW | 298° WNW | 291° WNW | 285° WNW | 277° W |
| Wind chill | 10°C (51°F) | 10°C (50°F) | 11°C (52°F) | 14°C (57°F) | 17°C (63°F) | 16°C (61°F) | 12°C (54°F) | 12°C (54°F) |
| Waves | ||||||||
| Height | 1.1m (3.5ft) | 1.0m (3.1ft) | 0.9m (2.9ft) | 0.8m (2.6ft) | 0.7m (2.2ft) | 0.6m (2.1ft) | 0.6m (2.0ft) | 0.5m (1.7ft) |
| Direction | 331° NNW | 330° NNW | 331° NNW | 330° NNW | 330° NNW | 329° NNW | 329° NNW | 329° NNW |
| Period | 8.9 sec. | 8.8 sec. | 8.7 sec. | 8.5 sec. | 8.3 sec. | 8.4 sec. | 8.3 sec. | 7.0 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.6m (2ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) |
Sea weather on Friday 24 July 2026
On Friday 24 July 2026, the sun will rise at 05:25 and will set at 21:47 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 65°F t and a low of 52°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 18.6mph km/h (with gusts up to 29.2mph). Wave height will be up to 4.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 13°C (55°F) | 11°C (53°F) | 12°C (54°F) | 17°C (62°F) | 18°C (64°F) | 17°C (62°F) | 16°C (60°F) | 14°C (57°F) |
| Perceived temperature | 11°C (52°F) | 9°C (49°F) | 10°C (50°F) | 17°C (62°F) | 18°C (64°F) | 17°C (62°F) | 16°C (60°F) | 12°C (54°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 86% | 94% | 92% | 65% | 58% | 66% | 74% | 84% |
| Barometric pressure | 1022 hPa | 1020 hPa | 1019 hPa | 1018 hPa | 1017 hPa | 1016 hPa | 1015 hPa | 1014 hPa |
| Cloud cover | 4% | 36% | 12% | 8% | 8% | 47% | 49% | 100% |
| Heat index | 13°C (55°F) | 11°C (53°F) | 12°C (54°F) | 17°C (62°F) | 18°C (64°F) | 17°C (62°F) | 16°C (60°F) | 14°C (57°F) |
| Dew point | 10°C (51°F) | 11°C (51°F) | 11°C (51°F) | 10°C (50°F) | 9°C (49°F) | 10°C (51°F) | 11°C (51°F) | 11°C (52°F) |
| Wind | ||||||||
| Speed | 17km/h (11mph) | 17km/h (10mph) | 17km/h (11mph) | 25km/h (15mph) | 29km/h (18mph) | 30km/h (19mph) | 28km/h (17mph) | 22km/h (14mph) |
| Gusts | 28km/h (17mph) | 29km/h (18mph) | 29km/h (18mph) | 37km/h (23mph) | 47km/h (29mph) | 47km/h (29mph) | 44km/h (28mph) | 34km/h (21mph) |
| Direction | 257° WSW | 239° WSW | 226° SW | 254° WSW | 261° W | 263° W | 273° W | 263° W |
| Wind chill | 11°C (52°F) | 9°C (49°F) | 10°C (50°F) | 17°C (62°F) | 18°C (64°F) | 17°C (62°F) | 16°C (60°F) | 12°C (54°F) |
| Waves | ||||||||
| Height | 0.5m (1.7ft) | 0.6m (1.8ft) | 0.7m (2.3ft) | 0.9m (3.0ft) | 1.0m (3.4ft) | 1.2m (3.8ft) | 1.3m (4.3ft) | 1.4m (4.7ft) |
| Direction | 328° NNW | 328° NNW | 326° NW | 322° NW | 318° NW | 322° NW | 326° NNW | 327° NNW |
| Period | 6.3 sec. | 5.9 sec. | 5.9 sec. | 8.8 sec. | 6.5 sec. | 8.9 sec. | 9.5 sec. | 10.1 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) |
Sea weather on Saturday 25 July 2026
On Saturday 25 July 2026, the sun will rise at 05:26 and will set at 21:45 on the beach(es) of Derry (Londonderry). The outside temperature will be a high of 59°F t and a low of 56°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 19.3mph km/h (with gusts up to 29.2mph). Wave height will be up to 4.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | |  |  | | | | | |
| Outside temperature | 13°C (56°F) | 13°C (56°F) | 13°C (55°F) | 14°C (57°F) | 14°C (58°F) | 15°C (59°F) | 14°C (57°F) | 14°C (57°F) |
| Perceived temperature | 12°C (53°F) | 11°C (51°F) | 11°C (51°F) | 12°C (53°F) | 12°C (54°F) | 13°C (56°F) | 12°C (54°F) | 12°C (54°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 89% | 89% | 93% | 95% | 92% | 87% | 90% | 92% |
| Barometric pressure | 1012 hPa | 1008 hPa | 1006 hPa | 1004 hPa | 1004 hPa | 1004 hPa | 1004 hPa | 1004 hPa |
| Cloud cover | 98% | 100% | 100% | 100% | 96% | 100% | 100% | 100% |
| Heat index | 13°C (56°F) | 13°C (56°F) | 13°C (55°F) | 14°C (57°F) | 14°C (58°F) | 15°C (59°F) | 14°C (57°F) | 14°C (57°F) |
| Dew point | 12°C (53°F) | 11°C (52°F) | 12°C (53°F) | 13°C (56°F) | 13°C (56°F) | 13°C (55°F) | 12°C (54°F) | 13°C (55°F) |
| Wind | ||||||||
| Speed | 20km/h (13mph) | 31km/h (19mph) | 25km/h (15mph) | 27km/h (17mph) | 25km/h (16mph) | 26km/h (16mph) | 26km/h (16mph) | 23km/h (14mph) |
| Gusts | 31km/h (19mph) | 47km/h (29mph) | 38km/h (23mph) | 41km/h (26mph) | 37km/h (23mph) | 38km/h (23mph) | 40km/h (25mph) | 34km/h (21mph) |
| Direction | 239° WSW | 247° WSW | 243° WSW | 267° W | 282° WNW | 280° W | 270° W | 266° W |
| Wind chill | 12°C (53°F) | 11°C (51°F) | 11°C (51°F) | 12°C (53°F) | 12°C (54°F) | 13°C (56°F) | 12°C (54°F) | 12°C (54°F) |
| Waves | ||||||||
| Height | 1.4m (4.6ft) | 1.4m (4.5ft) | 1.4m (4.5ft) | 1.3m (4.4ft) | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.3m (4.4ft) | 1.3m (4.3ft) |
| Direction | 325° NW | 324° NW | 325° NW | 325° NW | 324° NW | 324° NW | 323° NW | 322° NW |
| Period | 10.3 sec. | 10.8 sec. | 11.1 sec. | 11.0 sec. | 10.7 sec. | 10.5 sec. | 10.5 sec. | 10.3 sec. |
| Significant height | 0.5m (1.6ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) | 12°C (53°F) |