Offshore StaysSurf San Sebastián in August
Surfing San Sebastián in August: outside the main surf season, air around 21°C, sea around 23°C, 1.6 mm of rain a day on average. Wetsuit: a 2mm shorty or springsuit.
Surf season
Off-season
Air temperature
21°C
Sea temperature
23°C
Rain
1.6 mm/day
Wind
12 km/h avg
Average wave height
1.1 m (4 ft)
Big days (top 10%)
1.7 m (5 ft)+
Swell period
9 s
Main swell direction
From NW (315°)
What to wear: with the sea around 23°C in August, expect a 2mm shorty or springsuit.
Surf size in San Sebastián in August
Offshore of San Sebastián, waves in August average 1.1 m (4 ft), below the year-round average of 1.5 m — the 10th biggest month of the year. One hour in ten is 1.7 m (5 ft) or bigger. The dominant swell runs at about 9 seconds from the NW.
These are open-ocean figures from 10 years of hourly wave data, not a beach forecast: a sheltered break will be smaller, an exposed reef or point can be bigger.
August in the context of San Sebastián's surf season
San Sebastián's main surf season runs March–April, September–November. August is outside it.
Frequently asked questions
- Is August a good month to surf San Sebastián?
- August is outside San Sebastián's main surf season (March–April, September–November), so surf is less reliable, though it can still work on the right day.
- How warm is the sea in San Sebastián in August?
- About 23°C on average, which calls for a 2mm shorty or springsuit.
- What is the weather like in San Sebastián in August?
- Air temperature averages 21°C, with about 1.6 mm of rain per day and average winds of 12 km/h.