Sea weather in San Sebastian in Spain All the beach weather in San Sebastian
All the essential weather information for enjoying the beach in San Sebastian in Spain, 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 San Sebastian over the next 7 days?
Discover the best moment to go to the beach in San Sebastian in Spain this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in San Sebastian. 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 |
|---|---|---|---|---|
| Thursday 29 January 2026 | 47°F to 56°F | 16.8mph | discouraged | all the sea weather |
| Friday 30 January 2026 | 49°F to 54°F | 3.1mph | not recommended | all the sea weather |
| Saturday 31 January 2026 | 43°F to 52°F | 9.9mph | not recommended | all the sea weather |
| Sunday 1 February 2026 | 50°F to 56°F | 14.9mph | discouraged | all the sea weather |
| Monday 2 February 2026 | 47°F to 56°F | 9.3mph | discouraged | all the sea weather |
| Tuesday 3 February 2026 | 47°F to 52°F | 12.4mph | discouraged | all the sea weather |
| Wednesday 4 February 2026 | 43°F to 47°F | 17.4mph | discouraged | all the sea weather |
Sea Weather: Your daily and hourly sea weather in San Sebastian
Sea weather on Thursday 29 January 2026
On Thursday 29 January 2026, the sun will rise at 08:27 and will set at 18:15 on the beach(es) of San Sebastian. The outside temperature will be a high of 56°F t and a low of 47°F. Precipitation is in the forecast (0.2in 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 16.8mph km/h (with gusts up to 26.1mph). Wave height will be up to 10.2ft 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 (46°F) | 8°C (47°F) | 8°C (47°F) | 11°C (51°F) | 13°C (55°F) | 12°C (54°F) | 10°C (51°F) |
| Perceived temperature | 5°C (42°F) | 5°C (41°F) | 5°C (41°F) | 5°C (42°F) | 9°C (48°F) | 11°C (52°F) | 11°C (52°F) | 7°C (45°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0.2in |
| Humidity | 76% | 75% | 80% | 82% | 77% | 71% | 74% | 91% |
| Barometric pressure | 1001 hPa | 1001 hPa | 1000 hPa | 1000 hPa | 1001 hPa | 1000 hPa | 1001 hPa | 1003 hPa |
| Cloud cover | 71% | 43% | 100% | 71% | 11% | 15% | 70% | 100% |
| Heat index | 8°C (47°F) | 8°C (46°F) | 8°C (47°F) | 8°C (47°F) | 11°C (51°F) | 13°C (55°F) | 12°C (54°F) | 10°C (51°F) |
| Dew point | 4°C (39°F) | 4°C (39°F) | 5°C (41°F) | 5°C (42°F) | 7°C (44°F) | 7°C (45°F) | 8°C (46°F) | 9°C (48°F) |
| Wind | ||||||||
| Speed | 17km/h (11mph) | 15km/h (9mph) | 21km/h (13mph) | 17km/h (11mph) | 11km/h (7mph) | 15km/h (10mph) | 10km/h (6mph) | 27km/h (17mph) |
| Gusts | 28km/h (17mph) | 27km/h (17mph) | 33km/h (20mph) | 27km/h (17mph) | 18km/h (11mph) | 26km/h (16mph) | 19km/h (12mph) | 42km/h (26mph) |
| Direction | 204° SSW | 181° S | 192° SSW | 162° SSE | 208° SSW | 203° SSW | 181° S | 292° WNW |
| Wind chill | 5°C (42°F) | 5°C (41°F) | 5°C (41°F) | 5°C (42°F) | 9°C (48°F) | 11°C (52°F) | 11°C (52°F) | 7°C (45°F) |
| Waves | ||||||||
| Height | 3.0m (9.8ft) | 3.0m (9.8ft) | 2.9m (9.6ft) | 2.8m (9.3ft) | 2.7m (8.9ft) | 2.6m (8.5ft) | 2.6m (8.4ft) | 3.1m (10.1ft) |
| Direction | 299° WNW | 299° WNW | 298° WNW | 297° WNW | 296° WNW | 296° WNW | 297° WNW | 296° WNW |
| Period | 16.8 sec. | 16.5 sec. | 16.3 sec. | 15.9 sec. | 15.7 sec. | 15.5 sec. | 15.2 sec. | 14.5 sec. |
| Significant height | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.8m (2.6ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 0.6m (2ft) | 1.8m (5.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) |
Sea weather on Friday 30 January 2026
On Friday 30 January 2026, the sun will rise at 08:26 and will set at 18:17 on the beach(es) of San Sebastian. The outside temperature will be a high of 54°F t and a low of 49°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 27.3mph km/h (with gusts up to 29.8mph). Wave height will be up to 13.8ft 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) | 10°C (50°F) | 9°C (48°F) | 10°C (50°F) | 12°C (54°F) | 12°C (53°F) | 11°C (51°F) | 10°C (50°F) |
| Perceived temperature | 7°C (45°F) | 7°C (45°F) | 7°C (44°F) | 7°C (44°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 10°C (49°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 77% | 79% | 79% | 73% | 64% | 71% | 76% | 75% |
| Barometric pressure | 1006 hPa | 1007 hPa | 1007 hPa | 1005 hPa | 1003 hPa | 1003 hPa | 1002 hPa | 1001 hPa |
| Cloud cover | 9% | 23% | 44% | 5% | 49% | 100% | 100% | 30% |
| Heat index | 11°C (51°F) | 10°C (50°F) | 9°C (48°F) | 10°C (50°F) | 12°C (54°F) | 12°C (53°F) | 11°C (51°F) | 10°C (50°F) |
| Dew point | 7°C (44°F) | 6°C (43°F) | 6°C (42°F) | 5°C (41°F) | 6°C (42°F) | 7°C (44°F) | 7°C (44°F) | 6°C (42°F) |
| Wind | ||||||||
| Speed | 31km/h (19mph) | 20km/h (12mph) | 16km/h (10mph) | 28km/h (18mph) | 44km/h (27mph) | 25km/h (15mph) | 17km/h (10mph) | 5km/h (3mph) |
| Gusts | 48km/h (30mph) | 35km/h (22mph) | 30km/h (19mph) | 30km/h (19mph) | 46km/h (29mph) | 40km/h (25mph) | 29km/h (18mph) | 9km/h (6mph) |
| Direction | 272° W | 254° WSW | 196° SSW | 183° S | 223° SW | 232° SW | 235° SW | 207° SSW |
| Wind chill | 7°C (45°F) | 7°C (45°F) | 7°C (44°F) | 7°C (44°F) | 9°C (48°F) | 9°C (48°F) | 9°C (48°F) | 10°C (49°F) |
| Waves | ||||||||
| Height | 4.2m (13.7ft) | 3.6m (11.9ft) | 3.0m (10.0ft) | 2.8m (9.2ft) | 2.9m (9.6ft) | 3.4m (11.1ft) | 3.5m (11.5ft) | 3.7m (12.0ft) |
| Direction | 296° WNW | 298° WNW | 296° WNW | 296° WNW | 296° WNW | 300° WNW | 298° WNW | 298° WNW |
| Period | 9.1 sec. | 13.7 sec. | 13.3 sec. | 13.3 sec. | 13.3 sec. | 13.8 sec. | 16.7 sec. | 16.3 sec. |
| Significant height | 2.0m (6.6ft) | 1.2m (3.9ft) | 0.5m (1.6ft) | 0.9m (3ft) | 1.9m (6.2ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) |
Sea weather on Saturday 31 January 2026
On Saturday 31 January 2026, the sun will rise at 08:25 and will set at 18:18 on the beach(es) of San Sebastian. The outside temperature will be a high of 52°F t and a low of 43°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 34.2mph km/h (with gusts up to 42.9mph). Wave height will be up to 18.4ft 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) | 8°C (46°F) | 9°C (48°F) | 9°C (48°F) | 10°C (49°F) | 11°C (51°F) | 10°C (50°F) | 9°C (48°F) |
| Perceived temperature | 9°C (48°F) | 3°C (37°F) | 4°C (38°F) | 4°C (40°F) | 5°C (42°F) | 7°C (44°F) | 7°C (45°F) | 7°C (44°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 79% | 86% | 82% | 80% | 79% | 75% | 73% | 75% |
| Barometric pressure | 1000 hPa | 1004 hPa | 1007 hPa | 1011 hPa | 1013 hPa | 1014 hPa | 1015 hPa | 1015 hPa |
| Cloud cover | 87% | 100% | 86% | 77% | 76% | 50% | 60% | 98% |
| Heat index | 9°C (48°F) | 8°C (46°F) | 9°C (48°F) | 9°C (48°F) | 10°C (49°F) | 11°C (51°F) | 10°C (50°F) | 9°C (48°F) |
| Dew point | 6°C (42°F) | 6°C (42°F) | 6°C (43°F) | 6°C (42°F) | 6°C (43°F) | 6°C (43°F) | 6°C (42°F) | 5°C (41°F) |
| Wind | ||||||||
| Speed | 5km/h (3mph) | 53km/h (33mph) | 55km/h (34mph) | 44km/h (27mph) | 42km/h (26mph) | 39km/h (24mph) | 24km/h (15mph) | 16km/h (10mph) |
| Gusts | 9km/h (6mph) | 69km/h (43mph) | 62km/h (39mph) | 49km/h (30mph) | 49km/h (30mph) | 45km/h (28mph) | 42km/h (26mph) | 30km/h (19mph) |
| Direction | 219° SW | 271° W | 279° W | 278° W | 276° W | 281° WNW | 282° WNW | 196° SSW |
| Wind chill | 9°C (48°F) | 3°C (37°F) | 4°C (38°F) | 4°C (40°F) | 5°C (42°F) | 7°C (44°F) | 7°C (45°F) | 7°C (44°F) |
| Waves | ||||||||
| Height | 4.9m (15.9ft) | 5.6m (18.4ft) | 5.6m (18.2ft) | 5.6m (18.2ft) | 5.1m (16.9ft) | 4.5m (14.8ft) | 4.1m (13.5ft) | 3.8m (12.4ft) |
| Direction | 299° WNW | 298° WNW | 299° WNW | 298° WNW | 298° WNW | 297° WNW | 298° WNW | 299° WNW |
| Period | 15.9 sec. | 15.0 sec. | 13.8 sec. | 13.0 sec. | 13.1 sec. | 14.8 sec. | 15.2 sec. | 15.2 sec. |
| Significant height | 2.7m (8.9ft) | 2.9m (9.5ft) | 2.8m (9.2ft) | 2.6m (8.5ft) | 2.1m (6.9ft) | 1.5m (4.9ft) | 0.7m (2.3ft) | 0.5m (1.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) |
Sea weather on Sunday 1 February 2026
On Sunday 1 February 2026, the sun will rise at 08:24 and will set at 18:19 on the beach(es) of San Sebastian. The outside temperature will be a high of 56°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 16.2mph km/h (with gusts up to 25.5mph). Wave height will be up to 11.2ft 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) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (51°F) | 13°C (56°F) | 11°C (52°F) | 12°C (54°F) |
| Perceived temperature | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 8°C (46°F) | 8°C (47°F) | 11°C (53°F) | 9°C (48°F) | 10°C (50°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 73% | 81% | 83% | 83% | 82% | 75% | 77% | 72% |
| Barometric pressure | 1014 hPa | 1012 hPa | 1011 hPa | 1010 hPa | 1009 hPa | 1005 hPa | 1002 hPa | 999 hPa |
| Cloud cover | 100% | 81% | 100% | 57% | 49% | 53% | 26% | 72% |
| Heat index | 10°C (49°F) | 10°C (50°F) | 10°C (50°F) | 10°C (50°F) | 10°C (51°F) | 13°C (56°F) | 11°C (52°F) | 12°C (54°F) |
| Dew point | 5°C (41°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 9°C (48°F) | 7°C (45°F) | 7°C (45°F) |
| Wind | ||||||||
| Speed | 16km/h (10mph) | 26km/h (16mph) | 19km/h (12mph) | 15km/h (9mph) | 17km/h (10mph) | 18km/h (11mph) | 19km/h (12mph) | 24km/h (15mph) |
| Gusts | 27km/h (17mph) | 41km/h (25mph) | 32km/h (20mph) | 25km/h (16mph) | 30km/h (19mph) | 31km/h (20mph) | 35km/h (22mph) | 40km/h (25mph) |
| Direction | 199° SSW | 190° S | 186° S | 161° SSE | 165° SSE | 157° SSE | 161° SSE | 169° S |
| Wind chill | 7°C (45°F) | 7°C (45°F) | 7°C (45°F) | 8°C (46°F) | 8°C (47°F) | 11°C (53°F) | 9°C (48°F) | 10°C (50°F) |
| Waves | ||||||||
| Height | 3.4m (11.3ft) | 3.1m (10.1ft) | 2.7m (8.9ft) | 2.4m (8.0ft) | 2.3m (7.6ft) | 2.2m (7.3ft) | 2.0m (6.7ft) | 1.9m (6.3ft) |
| Direction | 299° WNW | 298° WNW | 297° WNW | 297° WNW | 298° WNW | 297° WNW | 296° WNW | 296° WNW |
| Period | 15.1 sec. | 14.7 sec. | 14.4 sec. | 14.2 sec. | 13.7 sec. | 13.5 sec. | 13.4 sec. | 13.4 sec. |
| Significant height | 0.6m (2ft) | 0.8m (2.6ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.2m (0.7ft) | 0.3m (1ft) | 0.7m (2.3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) |
Sea weather on Monday 2 February 2026
On Monday 2 February 2026, the sun will rise at 08:22 and will set at 18:21 on the beach(es) of San Sebastian. The outside temperature will be a high of 56°F t and a low of 47°F. Precipitation is in the forecast (0.5in 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 20.5mph km/h (with gusts up to 28.6mph). Wave height will be up to 9.2ft 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) | 13°C (56°F) | 12°C (53°F) | 9°C (49°F) | 10°C (49°F) | 9°C (49°F) | 9°C (47°F) | 9°C (48°F) |
| Perceived temperature | 10°C (50°F) | 11°C (51°F) | 9°C (49°F) | 6°C (44°F) | 6°C (43°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) |
| Precipitation | 0in | 0in | 0.2in | 0.1in | 0.1in | 0in | 0in | 0in |
| Humidity | 75% | 74% | 90% | 92% | 85% | 76% | 77% | 77% |
| Barometric pressure | 996 hPa | 992 hPa | 992 hPa | 995 hPa | 997 hPa | 998 hPa | 998 hPa | 999 hPa |
| Cloud cover | 72% | 89% | 100% | 100% | 100% | 34% | 22% | 27% |
| Heat index | 13°C (55°F) | 13°C (56°F) | 12°C (53°F) | 9°C (49°F) | 10°C (49°F) | 9°C (49°F) | 9°C (47°F) | 9°C (48°F) |
| Dew point | 8°C (47°F) | 9°C (48°F) | 10°C (50°F) | 8°C (46°F) | 7°C (45°F) | 5°C (42°F) | 5°C (40°F) | 5°C (41°F) |
| Wind | ||||||||
| Speed | 33km/h (21mph) | 32km/h (20mph) | 23km/h (14mph) | 19km/h (12mph) | 31km/h (19mph) | 19km/h (12mph) | 12km/h (7mph) | 15km/h (9mph) |
| Gusts | 40km/h (25mph) | 33km/h (21mph) | 36km/h (22mph) | 29km/h (18mph) | 46km/h (29mph) | 30km/h (19mph) | 22km/h (14mph) | 28km/h (17mph) |
| Direction | 163° SSE | 171° S | 260° W | 226° SW | 274° W | 242° WSW | 193° SSW | 161° SSE |
| Wind chill | 10°C (50°F) | 11°C (51°F) | 9°C (49°F) | 6°C (44°F) | 6°C (43°F) | 7°C (44°F) | 7°C (44°F) | 7°C (44°F) |
| Waves | ||||||||
| Height | 2.2m (7.2ft) | 2.6m (8.4ft) | 2.8m (9.1ft) | 2.7m (8.9ft) | 2.6m (8.5ft) | 2.7m (8.9ft) | 2.7m (8.9ft) | 2.6m (8.5ft) |
| Direction | 298° WNW | 307° NW | 305° NW | 302° WNW | 301° WNW | 300° WNW | 300° WNW | 299° WNW |
| Period | 13.6 sec. | 15.7 sec. | 17.0 sec. | 16.1 sec. | 15.3 sec. | 14.6 sec. | 14.3 sec. | 13.8 sec. |
| Significant height | 0.9m (3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.3m (4.3ft) | 1.4m (4.6ft) | 1.6m (5.2ft) | 1.2m (3.9ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) |
Sea weather on Tuesday 3 February 2026
On Tuesday 3 February 2026, the sun will rise at 08:21 and will set at 18:22 on the beach(es) of San Sebastian. 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 14.9mph km/h (with gusts up to 24.9mph). Wave height will be up to 7.9ft 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) | 8°C (47°F) | 8°C (46°F) | 10°C (49°F) | 11°C (52°F) | 10°C (49°F) | 9°C (47°F) |
| Perceived temperature | 7°C (44°F) | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 7°C (45°F) | 10°C (49°F) | 8°C (46°F) | 6°C (42°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 71% | 71% | 74% | 76% | 66% | 62% | 69% | 75% |
| Barometric pressure | 1000 hPa | 1000 hPa | 1001 hPa | 1001 hPa | 1002 hPa | 1001 hPa | 1002 hPa | 1002 hPa |
| Cloud cover | 12% | 7% | 8% | 9% | 25% | 57% | 45% | 17% |
| Heat index | 10°C (49°F) | 9°C (48°F) | 8°C (47°F) | 8°C (46°F) | 10°C (49°F) | 11°C (52°F) | 10°C (49°F) | 9°C (47°F) |
| Dew point | 5°C (40°F) | 4°C (39°F) | 4°C (39°F) | 4°C (39°F) | 4°C (38°F) | 4°C (40°F) | 4°C (40°F) | 4°C (40°F) |
| Wind | ||||||||
| Speed | 23km/h (14mph) | 24km/h (15mph) | 20km/h (12mph) | 17km/h (11mph) | 17km/h (11mph) | 14km/h (9mph) | 14km/h (9mph) | 20km/h (12mph) |
| Gusts | 39km/h (24mph) | 40km/h (25mph) | 35km/h (22mph) | 28km/h (17mph) | 25km/h (15mph) | 20km/h (13mph) | 26km/h (16mph) | 27km/h (17mph) |
| Direction | 191° S | 212° SSW | 198° SSW | 176° S | 174° S | 177° S | 169° S | 173° S |
| Wind chill | 7°C (44°F) | 6°C (42°F) | 5°C (41°F) | 5°C (41°F) | 7°C (45°F) | 10°C (49°F) | 8°C (46°F) | 6°C (42°F) |
| Waves | ||||||||
| Height | 2.4m (7.9ft) | 2.2m (7.2ft) | 2.1m (6.9ft) | 2.0m (6.6ft) | 2.0m (6.6ft) | 1.9m (6.2ft) | 1.8m (5.9ft) | 1.7m (5.6ft) |
| Direction | 298° WNW | 298° WNW | 298° WNW | 298° WNW | 299° WNW | 299° WNW | 297° WNW | 291° WNW |
| Period | 13.4 sec. | 13.0 sec. | 12.7 sec. | 12.7 sec. | 12.7 sec. | 12.7 sec. | 12.6 sec. | 13.8 sec. |
| Significant height | 1.0m (3.3ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.4m (4.6ft) | 1.1m (3.6ft) | 0.6m (2ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) |
Sea weather on Wednesday 4 February 2026
On Wednesday 4 February 2026, the sun will rise at 08:20 and will set at 18:24 on the beach(es) of San Sebastian. The outside temperature will be a high of 47°F t and a low of 43°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 19.9mph km/h (with gusts up to 29.2mph). Wave height will be up to 6.6ft 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 (46°F) | 7°C (44°F) | 8°C (46°F) | 8°C (46°F) | 7°C (44°F) | 7°C (44°F) | 8°C (46°F) |
| Perceived temperature | 5°C (41°F) | 4°C (40°F) | 3°C (38°F) | 4°C (39°F) | 4°C (39°F) | 2°C (36°F) | 2°C (36°F) | 4°C (39°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 75% | 74% | 76% | 71% | 74% | 83% | 84% | 83% |
| Barometric pressure | 1001 hPa | 999 hPa | 996 hPa | 993 hPa | 989 hPa | 988 hPa | 989 hPa | 991 hPa |
| Cloud cover | 6% | 3% | 12% | 30% | 76% | 94% | 92% | 98% |
| Heat index | 8°C (47°F) | 8°C (46°F) | 7°C (44°F) | 8°C (46°F) | 8°C (46°F) | 7°C (44°F) | 7°C (44°F) | 8°C (46°F) |
| Dew point | 4°C (39°F) | 3°C (38°F) | 3°C (37°F) | 3°C (37°F) | 4°C (39°F) | 4°C (39°F) | 4°C (40°F) | 5°C (41°F) |
| Wind | ||||||||
| Speed | 22km/h (14mph) | 23km/h (14mph) | 22km/h (13mph) | 28km/h (17mph) | 31km/h (19mph) | 32km/h (20mph) | 32km/h (20mph) | 28km/h (17mph) |
| Gusts | 33km/h (21mph) | 39km/h (24mph) | 36km/h (22mph) | 41km/h (25mph) | 44km/h (27mph) | 47km/h (29mph) | 40km/h (25mph) | 33km/h (20mph) |
| Direction | 188° S | 188° S | 166° SSE | 162° SSE | 167° SSE | 176° S | 186° S | 192° SSW |
| Wind chill | 5°C (41°F) | 4°C (40°F) | 3°C (38°F) | 4°C (39°F) | 4°C (39°F) | 2°C (36°F) | 2°C (36°F) | 4°C (39°F) |
| Waves | ||||||||
| Height | 1.8m (5.9ft) | 1.9m (6.2ft) | 2.0m (6.6ft) | 2.0m (6.6ft) | 2.0m (6.6ft) | 1.9m (6.2ft) | 1.8m (5.9ft) | 1.7m (5.6ft) |
| Direction | 290° WNW | 292° WNW | 294° WNW | 296° WNW | 297° WNW | 297° WNW | 297° WNW | 298° WNW |
| Period | 14.4 sec. | 14.2 sec. | 14.0 sec. | 13.8 sec. | 13.6 sec. | 13.5 sec. | 13.3 sec. | 13.0 sec. |
| Significant height | 0.6m (2ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.7m (5.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) | 13°C (55°F) |