Sea weather in Saint-Jean-de-Luz in the French Basque country All the beach weather in Saint-Jean-de-Luz
All the essential weather information for enjoying the beach in Saint-Jean-de-Luz in the French Basque country, 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 Saint-Jean-de-Luz over the next 7 days?
Discover the best moment to go to the beach in Saint-Jean-de-Luz in the French Basque country this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Saint-Jean-de-Luz. 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 | 52°F to 58°F | 9.3mph | recommended | all the sea weather |
| Tuesday 16 December 2025 | 54°F to 58°F | 5.6mph | recommended | all the sea weather |
| Wednesday 17 December 2025 | 50°F to 54°F | 5.6mph | recommended | all the sea weather |
| Thursday 18 December 2025 | 50°F to 58°F | 9.9mph | recommended | all the sea weather |
| Friday 19 December 2025 | 50°F to 54°F | 8.1mph | recommended | all the sea weather |
| Saturday 20 December 2025 | 45°F to 50°F | 6.8mph | recommended | all the sea weather |
| Sunday 21 December 2025 | 45°F to 49°F | 5.6mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Saint-Jean-de-Luz
Sea weather on Monday 15 December 2025
On Monday 15 December 2025, the sun will rise at 08:32 and will set at 17:32 on the beach(es) of Saint-Jean-de-Luz. The outside temperature will be a high of 58°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 10.6mph km/h (with gusts up to 19.3mph). Wave height will be up to 5.6ft 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) | 14°C (56°F) | 14°C (57°F) | 13°C (55°F) | 12°C (54°F) |
| Perceived temperature | 9°C (48°F) | 9°C (49°F) | 10°C (49°F) | 10°C (50°F) | 12°C (54°F) | 13°C (55°F) | 12°C (54°F) | 11°C (51°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 77% | 75% | 77% | 78% | 73% | 74% | 77% | 78% |
| Barometric pressure | 1018 hPa | 1016 hPa | 1014 hPa | 1012 hPa | 1011 hPa | 1009 hPa | 1008 hPa | 1007 hPa |
| Cloud cover | 7% | 5% | 13% | 62% | 69% | 82% | 64% | 47% |
| Heat index | 11°C (51°F) | 11°C (52°F) | 12°C (53°F) | 12°C (53°F) | 14°C (56°F) | 14°C (57°F) | 13°C (55°F) | 12°C (54°F) |
| Dew point | 7°C (44°F) | 7°C (44°F) | 8°C (46°F) | 8°C (47°F) | 9°C (48°F) | 10°C (49°F) | 9°C (48°F) | 9°C (48°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 16km/h (10mph) | 15km/h (10mph) | 17km/h (11mph) | 15km/h (9mph) | 16km/h (10mph) | 9km/h (5mph) | 15km/h (10mph) |
| Gusts | 26km/h (16mph) | 29km/h (18mph) | 28km/h (18mph) | 31km/h (19mph) | 23km/h (15mph) | 26km/h (16mph) | 16km/h (10mph) | 30km/h (18mph) |
| Direction | 169° S | 164° SSE | 157° SSE | 160° SSE | 164° SSE | 167° SSE | 178° S | 144° SE |
| Wind chill | 9°C (48°F) | 9°C (49°F) | 10°C (49°F) | 10°C (50°F) | 12°C (54°F) | 13°C (55°F) | 12°C (54°F) | 11°C (51°F) |
| Waves | ||||||||
| Height | 1.6m (5.2ft) | 1.6m (5.4ft) | 1.7m (5.5ft) | 1.7m (5.5ft) | 1.6m (5.2ft) | 1.5m (5.0ft) | 1.5m (4.8ft) | 1.4m (4.7ft) |
| Direction | 304° NW | 304° WNW | 301° WNW | 299° WNW | 296° WNW | 295° WNW | 295° WNW | 294° WNW |
| Period | 12.7 sec. | 12.6 sec. | 12.9 sec. | 13.0 sec. | 13.4 sec. | 13.6 sec. | 13.5 sec. | 13.4 sec. |
| Significant height | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.2m (0.7ft) | 0.7m (2.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) |
Sea weather on Tuesday 16 December 2025
On Tuesday 16 December 2025, the sun will rise at 08:33 and will set at 17:32 on the beach(es) of Saint-Jean-de-Luz. The outside temperature will be a high of 58°F t and a low of 54°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 14.3mph). 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 | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 13°C (55°F) | 14°C (56°F) | 13°C (56°F) | 12°C (54°F) | 12°C (54°F) |
| Perceived temperature | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 12°C (54°F) | 14°C (56°F) | 14°C (56°F) | 12°C (54°F) | 11°C (52°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 77% | 77% | 77% | 75% | 71% | 74% | 83% | 87% |
| Barometric pressure | 1006 hPa | 1005 hPa | 1005 hPa | 1008 hPa | 1010 hPa | 1011 hPa | 1014 hPa | 1017 hPa |
| Cloud cover | 21% | 47% | 73% | 96% | 85% | 70% | 86% | 71% |
| Heat index | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 13°C (55°F) | 14°C (56°F) | 13°C (56°F) | 12°C (54°F) | 12°C (54°F) |
| Dew point | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 8°C (47°F) | 9°C (48°F) | 9°C (49°F) | 10°C (50°F) |
| Wind | ||||||||
| Speed | 12km/h (7mph) | 12km/h (8mph) | 9km/h (6mph) | 8km/h (5mph) | 3km/h (2mph) | 5km/h (3mph) | 6km/h (4mph) | 9km/h (6mph) |
| Gusts | 22km/h (14mph) | 23km/h (14mph) | 16km/h (10mph) | 13km/h (8mph) | 4km/h (2mph) | 8km/h (5mph) | 10km/h (6mph) | 14km/h (9mph) |
| Direction | 149° SSE | 157° SSE | 158° SSE | 186° S | 188° S | 338° NNW | 308° NW | 281° WNW |
| Wind chill | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 12°C (54°F) | 14°C (56°F) | 14°C (56°F) | 12°C (54°F) | 11°C (52°F) |
| Waves | ||||||||
| Height | 1.4m (4.8ft) | 1.6m (5.1ft) | 1.7m (5.4ft) | 1.7m (5.5ft) | 1.7m (5.7ft) | 1.8m (5.9ft) | 1.9m (6.1ft) | 1.9m (6.3ft) |
| Direction | 294° WNW | 294° WNW | 301° WNW | 301° WNW | 300° WNW | 300° WNW | 301° WNW | 302° WNW |
| Period | 13.1 sec. | 12.8 sec. | 13.1 sec. | 15.1 sec. | 14.5 sec. | 14.1 sec. | 13.7 sec. | 14.5 sec. |
| Significant height | 0.3m (1ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) |
Sea weather on Wednesday 17 December 2025
On Wednesday 17 December 2025, the sun will rise at 08:34 and will set at 17:32 on the beach(es) of Saint-Jean-de-Luz. 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 6.2mph km/h (with gusts up to 9.9mph). Wave height will be up to 6.9ft 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 (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (53°F) | 12°C (53°F) | 11°C (52°F) | 10°C (50°F) |
| Perceived temperature | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 12°C (53°F) | 11°C (52°F) | 11°C (52°F) | 11°C (51°F) | 9°C (48°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 87% | 88% | 88% | 87% | 83% | 81% | 81% | 87% |
| Barometric pressure | 1019 hPa | 1020 hPa | 1022 hPa | 1023 hPa | 1024 hPa | 1023 hPa | 1024 hPa | 1023 hPa |
| Cloud cover | 81% | 68% | 95% | 100% | 92% | 86% | 30% | 22% |
| Heat index | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (54°F) | 12°C (53°F) | 12°C (53°F) | 11°C (52°F) | 10°C (50°F) |
| Dew point | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 9°C (48°F) | 8°C (47°F) | 8°C (46°F) | 8°C (47°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 10km/h (6mph) | 10km/h (6mph) | 6km/h (4mph) | 8km/h (5mph) | 6km/h (4mph) | 5km/h (3mph) | 9km/h (6mph) |
| Gusts | 16km/h (10mph) | 15km/h (9mph) | 14km/h (9mph) | 9km/h (6mph) | 12km/h (8mph) | 10km/h (6mph) | 8km/h (5mph) | 16km/h (10mph) |
| Direction | 246° WSW | 268° W | 331° NNW | 343° NNW | 335° NNW | 323° NW | 140° SE | 132° SE |
| Wind chill | 11°C (52°F) | 11°C (52°F) | 11°C (52°F) | 12°C (53°F) | 11°C (52°F) | 11°C (52°F) | 11°C (51°F) | 9°C (48°F) |
| Waves | ||||||||
| Height | 2.0m (6.7ft) | 2.1m (6.8ft) | 2.1m (6.8ft) | 2.1m (6.9ft) | 2.1m (6.9ft) | 2.1m (6.8ft) | 2.0m (6.6ft) | 1.9m (6.3ft) |
| Direction | 302° WNW | 301° WNW | 301° WNW | 300° WNW | 299° WNW | 299° WNW | 299° WNW | 299° WNW |
| Period | 14.4 sec. | 14.2 sec. | 14.0 sec. | 13.8 sec. | 13.8 sec. | 13.7 sec. | 13.7 sec. | 13.5 sec. |
| Significant height | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.1m (0.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) |
Sea weather on Thursday 18 December 2025
On Thursday 18 December 2025, the sun will rise at 08:34 and will set at 17:33 on the beach(es) of Saint-Jean-de-Luz. The outside temperature will be a high of 58°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 12.4mph km/h (with gusts up to 22.4mph). 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 (50°F) | 10°C (50°F) | 11°C (51°F) | 11°C (52°F) | 13°C (55°F) | 14°C (58°F) | 13°C (56°F) | 13°C (55°F) |
| Perceived temperature | 8°C (47°F) | 9°C (47°F) | 9°C (48°F) | 9°C (48°F) | 11°C (52°F) | 13°C (55°F) | 12°C (54°F) | 11°C (52°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 86% | 83% | 82% | 81% | 73% | 67% | 70% | 77% |
| Barometric pressure | 1022 hPa | 1021 hPa | 1019 hPa | 1018 hPa | 1016 hPa | 1014 hPa | 1014 hPa | 1017 hPa |
| Cloud cover | 13% | 17% | 8% | 5% | 7% | 46% | 64% | 100% |
| Heat index | 10°C (50°F) | 10°C (50°F) | 11°C (51°F) | 11°C (52°F) | 13°C (55°F) | 14°C (58°F) | 13°C (56°F) | 13°C (55°F) |
| Dew point | 8°C (46°F) | 7°C (45°F) | 8°C (46°F) | 8°C (46°F) | 8°C (46°F) | 8°C (47°F) | 8°C (46°F) | 9°C (48°F) |
| Wind | ||||||||
| Speed | 12km/h (8mph) | 12km/h (8mph) | 15km/h (9mph) | 19km/h (12mph) | 16km/h (10mph) | 20km/h (13mph) | 15km/h (9mph) | 16km/h (10mph) |
| Gusts | 23km/h (14mph) | 24km/h (15mph) | 27km/h (17mph) | 36km/h (22mph) | 28km/h (17mph) | 32km/h (20mph) | 27km/h (17mph) | 31km/h (19mph) |
| Direction | 144° SE | 159° SSE | 173° S | 169° S | 170° S | 177° S | 185° S | 207° SSW |
| Wind chill | 8°C (47°F) | 9°C (47°F) | 9°C (48°F) | 9°C (48°F) | 11°C (52°F) | 13°C (55°F) | 12°C (54°F) | 11°C (52°F) |
| Waves | ||||||||
| Height | 1.8m (5.9ft) | 1.7m (5.5ft) | 1.5m (5.0ft) | 1.5m (4.8ft) | 1.7m (5.6ft) | 2.3m (7.6ft) | 2.8m (9.1ft) | 2.9m (9.6ft) |
| Direction | 300° WNW | 301° WNW | 300° WNW | 300° WNW | 305° NW | 305° NW | 304° NW | 304° WNW |
| Period | 13.4 sec. | 13.2 sec. | 12.8 sec. | 12.7 sec. | 12.6 sec. | 21.8 sec. | 20.5 sec. | 19.7 sec. |
| Significant height | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.4m (1.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) |
Sea weather on Friday 19 December 2025
On Friday 19 December 2025, the sun will rise at 08:35 and will set at 17:33 on the beach(es) of Saint-Jean-de-Luz. The outside temperature will be a high of 54°F t and a low of 50°F. Precipitation is in the forecast (0.3in 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 11.2mph km/h (with gusts up to 17.4mph). Wave height will be up to 14.4ft 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 (54°F) | 11°C (52°F) | 11°C (51°F) | 11°C (52°F) | 11°C (52°F) | 11°C (51°F) | 10°C (51°F) |
| Perceived temperature | 11°C (51°F) | 10°C (50°F) | 9°C (49°F) | 8°C (47°F) | 9°C (48°F) | 9°C (48°F) | 9°C (47°F) | 9°C (47°F) |
| Precipitation | 0in | 0in | 0.1in | 0.1in | 0in | 0in | 0in | 0in |
| Humidity | 80% | 80% | 91% | 92% | 82% | 75% | 75% | 76% |
| Barometric pressure | 1017 hPa | 1018 hPa | 1019 hPa | 1020 hPa | 1023 hPa | 1023 hPa | 1023 hPa | 1024 hPa |
| Cloud cover | 52% | 100% | 100% | 100% | 100% | 92% | 78% | 79% |
| Heat index | 12°C (54°F) | 12°C (54°F) | 11°C (52°F) | 11°C (51°F) | 11°C (52°F) | 11°C (52°F) | 11°C (51°F) | 10°C (51°F) |
| Dew point | 9°C (48°F) | 9°C (48°F) | 10°C (50°F) | 9°C (49°F) | 8°C (46°F) | 7°C (44°F) | 6°C (44°F) | 6°C (44°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 17km/h (10mph) | 15km/h (9mph) | 18km/h (11mph) | 14km/h (9mph) | 17km/h (11mph) | 16km/h (10mph) | 13km/h (8mph) |
| Gusts | 27km/h (17mph) | 28km/h (17mph) | 22km/h (13mph) | 26km/h (16mph) | 20km/h (13mph) | 26km/h (16mph) | 25km/h (15mph) | 20km/h (13mph) |
| Direction | 196° SSW | 206° SSW | 255° WSW | 325° NW | 321° NW | 315° NW | 315° NW | 324° NW |
| Wind chill | 11°C (51°F) | 10°C (50°F) | 9°C (49°F) | 8°C (47°F) | 9°C (48°F) | 9°C (48°F) | 9°C (47°F) | 9°C (47°F) |
| Waves | ||||||||
| Height | 2.9m (9.6ft) | 4.0m (13.1ft) | 3.9m (12.7ft) | 4.1m (13.5ft) | 4.4m (14.5ft) | 4.4m (14.4ft) | 4.2m (13.8ft) | 3.9m (12.8ft) |
| Direction | 303° WNW | 301° WNW | 301° WNW | 301° WNW | 300° WNW | 300° WNW | 300° WNW | 300° WNW |
| Period | 19.0 sec. | 19.1 sec. | 18.2 sec. | 18.0 sec. | 17.7 sec. | 17.5 sec. | 16.9 sec. | 16.2 sec. |
| Significant height | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.3m (1ft) | 0.2m (0.7ft) | 0.2m (0.7ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) |
Sea weather on Saturday 20 December 2025
On Saturday 20 December 2025, the sun will rise at 08:35 and will set at 17:33 on the beach(es) of Saint-Jean-de-Luz. The outside temperature will be a high of 50°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 6.8mph km/h (with gusts up to 13.1mph). Wave height will be up to 12.1ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | |  |  | |
| Outside temperature | 10°C (50°F) | 10°C (50°F) | 9°C (49°F) | 9°C (49°F) | 10°C (49°F) | 9°C (48°F) | 8°C (46°F) | 8°C (46°F) |
| Perceived temperature | 9°C (48°F) | 10°C (49°F) | 9°C (49°F) | 9°C (49°F) | 10°C (49°F) | 9°C (48°F) | 7°C (44°F) | 6°C (42°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 77% | 77% | 78% | 80% | 74% | 70% | 75% | 77% |
| Barometric pressure | 1023 hPa | 1022 hPa | 1021 hPa | 1020 hPa | 1019 hPa | 1016 hPa | 1014 hPa | 1013 hPa |
| Cloud cover | 94% | 64% | 54% | 41% | 22% | 8% | 5% | 67% |
| Heat index | 10°C (50°F) | 10°C (50°F) | 9°C (49°F) | 9°C (49°F) | 10°C (49°F) | 9°C (48°F) | 8°C (46°F) | 8°C (46°F) |
| Dew point | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) | 5°C (42°F) | 4°C (39°F) | 4°C (38°F) | 4°C (39°F) |
| Wind | ||||||||
| Speed | 8km/h (5mph) | 4km/h (3mph) | 3km/h (2mph) | 3km/h (2mph) | 4km/h (3mph) | 3km/h (2mph) | 7km/h (4mph) | 11km/h (7mph) |
| Gusts | 13km/h (8mph) | 7km/h (4mph) | 4km/h (2mph) | 4km/h (3mph) | 6km/h (4mph) | 5km/h (3mph) | 14km/h (9mph) | 21km/h (13mph) |
| Direction | 336° NNW | 339° NNW | 142° SE | 113° ESE | 230° SW | 154° SSE | 119° ESE | 155° SSE |
| Wind chill | 9°C (48°F) | 10°C (49°F) | 9°C (49°F) | 9°C (49°F) | 10°C (49°F) | 9°C (48°F) | 7°C (44°F) | 6°C (42°F) |
| Waves | ||||||||
| Height | 3.7m (12.1ft) | 3.6m (11.8ft) | 3.4m (11.2ft) | 3.2m (10.5ft) | 3.1m (10.2ft) | 3.0m (9.8ft) | 2.9m (9.5ft) | 2.8m (9.2ft) |
| Direction | 301° WNW | 301° WNW | 301° WNW | 301° WNW | 302° WNW | 304° WNW | 305° NW | 304° NW |
| Period | 15.8 sec. | 15.4 sec. | 15.1 sec. | 14.8 sec. | 14.5 sec. | 14.3 sec. | 14.1 sec. | 13.8 sec. |
| Significant height | 0.2m (0.7ft) | 0.3m (1ft) | 0.6m (2ft) | 0.3m (1ft) | 0.1m (0.3ft) | 0.1m (0.3ft) | 0.2m (0.7ft) | 0.2m (0.7ft) |
| Sea water temperature | ||||||||
| Water temperature | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) |
Sea weather on Sunday 21 December 2025
On Sunday 21 December 2025, the sun will rise at 08:36 and will set at 17:34 on the beach(es) of Saint-Jean-de-Luz. The outside temperature will be a high of 49°F t and a low of 45°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 12.4mph km/h (with gusts up to 16.8mph). Wave height will be up to 9.8ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | |  | | |
| Outside temperature | 8°C (47°F) | 8°C (47°F) | 8°C (46°F) | 8°C (47°F) | 9°C (47°F) | 8°C (46°F) | 7°C (45°F) | 8°C (46°F) |
| Perceived temperature | 6°C (44°F) | 6°C (42°F) | 5°C (42°F) | 6°C (43°F) | 6°C (42°F) | 5°C (41°F) | 5°C (40°F) | 6°C (44°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 73% | 74% | 75% | 80% | 85% | 88% | 87% |
| Barometric pressure | 1011 hPa | 1011 hPa | 1010 hPa | 1010 hPa | 1010 hPa | 1010 hPa | 1010 hPa | 1010 hPa |
| Cloud cover | 71% | 58% | 59% | 86% | 100% | 100% | 100% | 100% |
| Heat index | 8°C (47°F) | 8°C (47°F) | 8°C (46°F) | 8°C (47°F) | 9°C (47°F) | 8°C (46°F) | 7°C (45°F) | 8°C (46°F) |
| Dew point | 4°C (39°F) | 4°C (39°F) | 4°C (38°F) | 4°C (40°F) | 5°C (41°F) | 6°C (42°F) | 6°C (42°F) | 6°C (42°F) |
| Wind | ||||||||
| Speed | 12km/h (8mph) | 15km/h (9mph) | 15km/h (10mph) | 15km/h (10mph) | 20km/h (12mph) | 17km/h (10mph) | 16km/h (10mph) | 9km/h (6mph) |
| Gusts | 22km/h (13mph) | 26km/h (16mph) | 26km/h (16mph) | 23km/h (15mph) | 27km/h (17mph) | 23km/h (14mph) | 23km/h (14mph) | 13km/h (8mph) |
| Direction | 176° S | 211° SSW | 223° SW | 246° WSW | 259° WSW | 261° W | 242° WSW | 286° WNW |
| Wind chill | 6°C (44°F) | 6°C (42°F) | 5°C (42°F) | 6°C (43°F) | 6°C (42°F) | 5°C (41°F) | 5°C (40°F) | 6°C (44°F) |
| Waves | ||||||||
| Height | 3.0m (9.8ft) | 2.9m (9.5ft) | 2.7m (8.9ft) | 2.4m (7.9ft) | 2.2m (7.2ft) | 2.2m (7.2ft) | 2.3m (7.5ft) | 2.4m (7.9ft) |
| Direction | 304° NW | 305° NW | 306° NW | 307° NW | 305° NW | 305° NW | 306° NW | 308° NW |
| Period | 13.2 sec. | 13.1 sec. | 13.0 sec. | 12.8 sec. | 12.4 sec. | 12.2 sec. | 12.2 sec. | 12.2 sec. |
| Significant height | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) | 15°C (58°F) |