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 |
|---|---|---|---|---|
| Sunday 19 July 2026 | 67°F to 76°F | 8.7mph | recommended | all the sea weather |
| Monday 20 July 2026 | 68°F to 74°F | 11.8mph | recommended | all the sea weather |
| Tuesday 21 July 2026 | 67°F to 74°F | 9.3mph | recommended | all the sea weather |
| Wednesday 22 July 2026 | 68°F to 76°F | 8.7mph | recommended | all the sea weather |
| Thursday 23 July 2026 | 68°F to 74°F | 3.7mph | recommended | all the sea weather |
| Friday 24 July 2026 | 67°F to 74°F | 7.5mph | recommended | all the sea weather |
| Saturday 25 July 2026 | 67°F to 72°F | 7.5mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in San Sebastian
Sea weather on Sunday 19 July 2026
On Sunday 19 July 2026, the sun will rise at 06:45 and will set at 21:43 on the beach(es) of San Sebastian. The outside temperature will be a high of 76°F t and a low of 67°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 8.7mph 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 | 20°C (68°F) | 20°C (68°F) | 19°C (67°F) | 22°C (71°F) | 23°C (74°F) | 24°C (75°F) | 22°C (72°F) | 21°C (70°F) |
| Perceived temperature | 20°C (68°F) | 20°C (68°F) | 19°C (67°F) | 22°C (71°F) | 25°C (77°F) | 26°C (78°F) | 25°C (76°F) | 21°C (70°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 89% | 90% | 90% | 79% | 71% | 69% | 71% | 83% |
| Barometric pressure | 1017 hPa | 1016 hPa | 1016 hPa | 1016 hPa | 1016 hPa | 1015 hPa | 1014 hPa | 1015 hPa |
| Cloud cover | 22% | 18% | 21% | 9% | 35% | 100% | 5% | 4% |
| Heat index | 20°C (68°F) | 20°C (68°F) | 19°C (67°F) | 24°C (76°F) | 25°C (77°F) | 26°C (78°F) | 25°C (76°F) | 21°C (70°F) |
| Dew point | 18°C (65°F) | 18°C (65°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 18°C (64°F) | 16°C (62°F) | 18°C (64°F) |
| Wind | ||||||||
| Speed | 3km/h (2mph) | 5km/h (3mph) | 6km/h (4mph) | 9km/h (5mph) | 8km/h (5mph) | 12km/h (8mph) | 7km/h (4mph) | 14km/h (9mph) |
| Gusts | 4km/h (3mph) | 8km/h (5mph) | 11km/h (7mph) | 11km/h (7mph) | 10km/h (6mph) | 16km/h (10mph) | 12km/h (8mph) | 26km/h (16mph) |
| Direction | 250° WSW | 245° WSW | 229° SW | 261° W | 317° NW | 333° NNW | 352° N | 251° WSW |
| Wind chill | 20°C (68°F) | 20°C (68°F) | 19°C (67°F) | 22°C (71°F) | 23°C (74°F) | 24°C (75°F) | 22°C (72°F) | 21°C (70°F) |
| Waves | ||||||||
| Height | 0.4m (1.5ft) | 0.5m (1.5ft) | 0.5m (1.5ft) | 0.5m (1.5ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.8ft) |
| Direction | 343° NNW | 345° NNW | 345° NNW | 345° NNW | 349° N | 354° N | 351° N | 314° NW |
| Period | 3.9 sec. | 4.1 sec. | 4.1 sec. | 4.1 sec. | 4.4 sec. | 4.6 sec. | 4.6 sec. | 4.6 sec. |
| Significant height | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
Sea weather on Monday 20 July 2026
On Monday 20 July 2026, the sun will rise at 06:46 and will set at 21:43 on the beach(es) of San Sebastian. The outside temperature will be a high of 74°F t and a low of 68°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 11.8mph km/h (with gusts up to 22.4mph). Wave height will be up to 4.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | |  |
| Outside temperature | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 22°C (72°F) | 22°C (71°F) | 22°C (71°F) | 22°C (72°F) | 21°C (69°F) |
| Perceived temperature | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 25°C (76°F) | 22°C (71°F) | 22°C (71°F) | 25°C (76°F) | 21°C (69°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 82% | 80% | 77% | 70% | 70% | 67% | 64% | 76% |
| Barometric pressure | 1016 hPa | 1015 hPa | 1015 hPa | 1016 hPa | 1016 hPa | 1017 hPa | 1017 hPa | 1018 hPa |
| Cloud cover | 5% | 3% | 63% | 2% | 0% | 2% | 40% | 0% |
| Heat index | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 25°C (76°F) | 25°C (76°F) | 24°C (76°F) | 25°C (76°F) | 21°C (69°F) |
| Dew point | 17°C (63°F) | 16°C (61°F) | 16°C (60°F) | 17°C (62°F) | 16°C (61°F) | 15°C (59°F) | 15°C (60°F) | 16°C (62°F) |
| Wind | ||||||||
| Speed | 17km/h (11mph) | 17km/h (10mph) | 13km/h (8mph) | 13km/h (8mph) | 12km/h (7mph) | 15km/h (9mph) | 10km/h (6mph) | 19km/h (12mph) |
| Gusts | 33km/h (20mph) | 30km/h (19mph) | 22km/h (14mph) | 17km/h (11mph) | 22km/h (14mph) | 26km/h (16mph) | 16km/h (10mph) | 36km/h (22mph) |
| Direction | 249° WSW | 240° WSW | 234° SW | 251° WSW | 286° WNW | 317° NW | 252° WSW | 268° W |
| Wind chill | 20°C (69°F) | 20°C (68°F) | 20°C (68°F) | 22°C (72°F) | 22°C (71°F) | 22°C (71°F) | 22°C (72°F) | 21°C (69°F) |
| Waves | ||||||||
| Height | 1.1m (3.5ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 1.0m (3.4ft) | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.2m (3.8ft) | 1.3m (4.2ft) |
| Direction | 351° N | 349° N | 348° NNW | 347° NNW | 344° NNW | 348° NNW | 352° N | 353° N |
| Period | 6.1 sec. | 6.5 sec. | 6.4 sec. | 6.3 sec. | 6.8 sec. | 7.1 sec. | 7.0 sec. | 6.9 sec. |
| Significant height | 1.6m (5.2ft) | 0.7m (2.3ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.3m (1ft) | 0.3m (1ft) | 0.3m (1ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
Sea weather on Tuesday 21 July 2026
On Tuesday 21 July 2026, the sun will rise at 06:47 and will set at 21:42 on the beach(es) of San Sebastian. The outside temperature will be a high of 74°F t and a low of 67°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 11.8mph km/h (with gusts up to 22.4mph). Wave height will be up to 5.2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 20°C (68°F) | 19°C (67°F) | 19°C (66°F) | 22°C (71°F) | 22°C (71°F) | 21°C (70°F) | 22°C (71°F) | 21°C (69°F) |
| Perceived temperature | 20°C (68°F) | 19°C (67°F) | 19°C (66°F) | 22°C (71°F) | 22°C (71°F) | 21°C (70°F) | 22°C (71°F) | 21°C (69°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 75% | 72% | 73% | 67% | 64% | 62% | 60% | 72% |
| Barometric pressure | 1018 hPa | 1018 hPa | 1018 hPa | 1019 hPa | 1019 hPa | 1019 hPa | 1018 hPa | 1019 hPa |
| Cloud cover | 32% | 4% | 0% | 0% | 0% | 2% | 4% | 0% |
| Heat index | 20°C (68°F) | 19°C (67°F) | 19°C (66°F) | 25°C (76°F) | 24°C (76°F) | 24°C (76°F) | 25°C (76°F) | 21°C (69°F) |
| Dew point | 15°C (60°F) | 14°C (58°F) | 14°C (57°F) | 16°C (60°F) | 14°C (58°F) | 14°C (57°F) | 14°C (57°F) | 16°C (60°F) |
| Wind | ||||||||
| Speed | 19km/h (12mph) | 17km/h (11mph) | 14km/h (9mph) | 13km/h (8mph) | 9km/h (6mph) | 11km/h (7mph) | 3km/h (2mph) | 15km/h (9mph) |
| Gusts | 36km/h (23mph) | 32km/h (20mph) | 26km/h (16mph) | 16km/h (10mph) | 17km/h (11mph) | 22km/h (14mph) | 6km/h (4mph) | 31km/h (19mph) |
| Direction | 249° WSW | 245° WSW | 243° WSW | 261° W | 306° NW | 342° NNW | 278° W | 248° WSW |
| Wind chill | 20°C (68°F) | 19°C (67°F) | 19°C (66°F) | 22°C (71°F) | 22°C (71°F) | 21°C (70°F) | 22°C (71°F) | 21°C (69°F) |
| Waves | ||||||||
| Height | 1.6m (5.2ft) | 1.4m (4.7ft) | 1.2m (4.0ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.0m (3.4ft) | 1.3m (4.4ft) |
| Direction | 353° N | 349° N | 351° N | 349° N | 349° N | 351° N | 353° N | 355° N |
| Period | 6.9 sec. | 6.8 sec. | 6.6 sec. | 6.5 sec. | 6.3 sec. | 6.4 sec. | 6.5 sec. | 6.5 sec. |
| Significant height | 1.1m (3.6ft) | 0.8m (2.6ft) | 0.5m (1.6ft) | 0.1m (0.3ft) | 1.4m (4.6ft) | 1.4m (4.6ft) | 0.4m (1.3ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
Sea weather on Wednesday 22 July 2026
On Wednesday 22 July 2026, the sun will rise at 06:48 and will set at 21:41 on the beach(es) of San Sebastian. The outside temperature will be a high of 76°F t and a low of 68°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 8.7mph km/h (with gusts up to 18mph). 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 | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 22°C (72°F) | 24°C (75°F) | 24°C (76°F) | 23°C (73°F) | 21°C (70°F) |
| Perceived temperature | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 25°C (76°F) | 25°C (77°F) | 26°C (78°F) | 25°C (77°F) | 21°C (70°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 72% | 62% | 61% | 57% | 57% | 56% | 57% | 70% |
| Barometric pressure | 1019 hPa | 1018 hPa | 1018 hPa | 1018 hPa | 1018 hPa | 1017 hPa | 1016 hPa | 1017 hPa |
| Cloud cover | 0% | 0% | 1% | 7% | 13% | 17% | 5% | 2% |
| Heat index | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 25°C (76°F) | 25°C (77°F) | 26°C (78°F) | 25°C (77°F) | 24°C (76°F) |
| Dew point | 15°C (59°F) | 12°C (54°F) | 12°C (53°F) | 13°C (56°F) | 15°C (58°F) | 15°C (59°F) | 14°C (57°F) | 15°C (60°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 11km/h (7mph) | 8km/h (5mph) | 3km/h (2mph) | 8km/h (5mph) | 11km/h (7mph) | 8km/h (5mph) | 14km/h (9mph) |
| Gusts | 28km/h (17mph) | 21km/h (13mph) | 15km/h (9mph) | 4km/h (3mph) | 12km/h (8mph) | 16km/h (10mph) | 14km/h (9mph) | 29km/h (18mph) |
| Direction | 252° WSW | 221° SW | 218° SW | 90° E | 355° N | 347° NNW | 300° WNW | 243° WSW |
| Wind chill | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 22°C (72°F) | 24°C (75°F) | 24°C (76°F) | 23°C (73°F) | 21°C (70°F) |
| Waves | ||||||||
| Height | 1.4m (4.7ft) | 1.2m (4.0ft) | 1.0m (3.2ft) | 0.8m (2.8ft) | 0.8m (2.5ft) | 0.8m (2.6ft) | 0.9m (2.9ft) | 1.0m (3.3ft) |
| Direction | 356° N | 352° N | 352° N | 353° N | 350° N | 343° NNW | 347° NNW | 349° N |
| Period | 6.6 sec. | 6.4 sec. | 6.1 sec. | 5.8 sec. | 5.7 sec. | 6.2 sec. | 6.2 sec. | 5.9 sec. |
| Significant height | 0.6m (2ft) | 0.3m (1ft) | 1.4m (4.6ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.5m (4.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) |
Sea weather on Thursday 23 July 2026
On Thursday 23 July 2026, the sun will rise at 06:49 and will set at 21:40 on the beach(es) of San Sebastian. The outside temperature will be a high of 74°F t and a low of 68°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 8.7mph km/h (with gusts up to 17.4mph). 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 | 21°C (69°F) | 20°C (68°F) | 20°C (67°F) | 22°C (72°F) | 22°C (71°F) | 21°C (71°F) | 20°C (68°F) | 20°C (68°F) |
| Perceived temperature | 21°C (69°F) | 20°C (68°F) | 20°C (67°F) | 25°C (76°F) | 22°C (71°F) | 21°C (71°F) | 20°C (68°F) | 20°C (68°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 68% | 66% | 68% | 62% | 68% | 69% | 69% | 74% |
| Barometric pressure | 1018 hPa | 1017 hPa | 1017 hPa | 1018 hPa | 1019 hPa | 1019 hPa | 1018 hPa | 1019 hPa |
| Cloud cover | 1% | 98% | 98% | 0% | 0% | 0% | 0% | 0% |
| Heat index | 21°C (69°F) | 20°C (68°F) | 20°C (67°F) | 25°C (76°F) | 25°C (76°F) | 24°C (76°F) | 21°C (70°F) | 20°C (68°F) |
| Dew point | 15°C (58°F) | 14°C (56°F) | 14°C (56°F) | 15°C (59°F) | 16°C (60°F) | 15°C (60°F) | 14°C (58°F) | 15°C (60°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 12km/h (7mph) | 13km/h (8mph) | 10km/h (6mph) | 11km/h (7mph) | 12km/h (7mph) | 6km/h (4mph) | 6km/h (4mph) |
| Gusts | 28km/h (18mph) | 23km/h (14mph) | 25km/h (15mph) | 13km/h (8mph) | 21km/h (13mph) | 24km/h (15mph) | 12km/h (8mph) | 14km/h (9mph) |
| Direction | 252° WSW | 234° SW | 232° SW | 273° W | 304° WNW | 293° WNW | 324° NW | 269° W |
| Wind chill | 21°C (69°F) | 20°C (68°F) | 20°C (67°F) | 22°C (72°F) | 22°C (71°F) | 21°C (71°F) | 20°C (68°F) | 20°C (68°F) |
| Waves | ||||||||
| Height | 1.0m (3.4ft) | 1.0m (3.4ft) | 1.0m (3.2ft) | 0.9m (2.9ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) |
| Direction | 356° N | 357° N | 355° N | 350° N | 344° NNW | 343° NNW | 342° NNW | 342° NNW |
| Period | 5.8 sec. | 5.9 sec. | 5.8 sec. | 5.7 sec. | 5.7 sec. | 5.7 sec. | 5.7 sec. | 5.7 sec. |
| Significant height | 0.6m (2ft) | 0.9m (3ft) | 1.2m (3.9ft) | 1.3m (4.3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 20°C (68°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) |
Sea weather on Friday 24 July 2026
On Friday 24 July 2026, the sun will rise at 06:50 and will set at 21:39 on the beach(es) of San Sebastian. The outside temperature will be a high of 74°F t and a low of 67°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 8.1mph km/h (with gusts up to 17.4mph). 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 | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 22°C (72°F) | 22°C (72°F) | 21°C (70°F) | 19°C (67°F) | 20°C (67°F) |
| Perceived temperature | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 23°C (74°F) | 25°C (76°F) | 21°C (70°F) | 19°C (67°F) | 20°C (67°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 68% | 63% | 61% | 53% | 56% | 63% | 71% | 84% |
| Barometric pressure | 1019 hPa | 1019 hPa | 1018 hPa | 1018 hPa | 1018 hPa | 1018 hPa | 1018 hPa | 1019 hPa |
| Cloud cover | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% |
| Heat index | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 23°C (74°F) | 25°C (76°F) | 22°C (72°F) | 19°C (67°F) | 20°C (67°F) |
| Dew point | 14°C (58°F) | 13°C (55°F) | 12°C (53°F) | 12°C (53°F) | 13°C (55°F) | 14°C (57°F) | 14°C (57°F) | 17°C (62°F) |
| Wind | ||||||||
| Speed | 7km/h (4mph) | 6km/h (4mph) | 6km/h (4mph) | 5km/h (3mph) | 8km/h (5mph) | 11km/h (7mph) | 13km/h (8mph) | 12km/h (8mph) |
| Gusts | 14km/h (9mph) | 13km/h (8mph) | 13km/h (8mph) | 8km/h (5mph) | 15km/h (9mph) | 23km/h (14mph) | 28km/h (17mph) | 23km/h (15mph) |
| Direction | 232° SW | 221° SW | 210° SSW | 278° W | 322° NW | 315° NW | 294° WNW | 274° W |
| Wind chill | 20°C (69°F) | 20°C (68°F) | 20°C (67°F) | 22°C (72°F) | 22°C (72°F) | 21°C (70°F) | 19°C (67°F) | 20°C (67°F) |
| Waves | ||||||||
| Height | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.6m (2.0ft) | 0.7m (2.3ft) |
| Direction | 341° NNW | 340° NNW | 336° NNW | 333° NNW | 329° NNW | 331° NNW | 335° NNW | 314° NW |
| Period | 5.7 sec. | 5.6 sec. | 5.5 sec. | 5.7 sec. | 5.9 sec. | 5.8 sec. | 5.5 sec. | 5.8 sec. |
| Significant height | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.0m (3.3ft) | 1.1m (3.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) |
Sea weather on Saturday 25 July 2026
On Saturday 25 July 2026, the sun will rise at 06:51 and will set at 21:38 on the beach(es) of San Sebastian. The outside temperature will be a high of 72°F t and a low of 67°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 11.8mph km/h (with gusts up to 16.8mph). Wave height will be up to 3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | |  | | | | |
| Outside temperature | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 21°C (70°F) | 22°C (72°F) | 22°C (71°F) | 21°C (70°F) | 20°C (68°F) |
| Perceived temperature | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 21°C (70°F) | 25°C (76°F) | 22°C (71°F) | 21°C (70°F) | 20°C (68°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 88% | 87% | 78% | 70% | 70% | 73% | 80% |
| Barometric pressure | 1020 hPa | 1019 hPa | 1020 hPa | 1020 hPa | 1020 hPa | 1020 hPa | 1020 hPa | 1020 hPa |
| Cloud cover | 3% | 25% | 62% | 58% | 42% | 23% | 45% | 75% |
| Heat index | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 23°C (73°F) | 25°C (76°F) | 25°C (76°F) | 22°C (72°F) | 20°C (68°F) |
| Dew point | 18°C (64°F) | 17°C (63°F) | 17°C (63°F) | 17°C (62°F) | 16°C (61°F) | 16°C (61°F) | 16°C (61°F) | 16°C (61°F) |
| Wind | ||||||||
| Speed | 13km/h (8mph) | 15km/h (10mph) | 17km/h (10mph) | 18km/h (11mph) | 19km/h (12mph) | 19km/h (12mph) | 16km/h (10mph) | 12km/h (7mph) |
| Gusts | 24km/h (15mph) | 27km/h (17mph) | 27km/h (17mph) | 25km/h (15mph) | 25km/h (15mph) | 26km/h (16mph) | 23km/h (14mph) | 19km/h (12mph) |
| Direction | 255° WSW | 257° WSW | 261° W | 277° W | 298° WNW | 307° NW | 307° NW | 296° WNW |
| Wind chill | 20°C (67°F) | 19°C (67°F) | 19°C (67°F) | 21°C (70°F) | 22°C (72°F) | 22°C (71°F) | 21°C (70°F) | 20°C (68°F) |
| Waves | ||||||||
| Height | 0.8m (2.6ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.9m (3.0ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Direction | 297° WNW | 298° WNW | 305° NW | 311° NW | 312° NW | 312° NW | 312° NW | 314° NW |
| Period | 6.1 sec. | 7.7 sec. | 8.4 sec. | 8.3 sec. | 8.2 sec. | 8.2 sec. | 8.2 sec. | 6.2 sec. |
| Significant height | 1.0m (3.3ft) | 0.9m (3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.5m (1.6ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) | 22°C (71°F) |