Offshore Stays

Surf Zarautz in August

Surfing Zarautz 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 Zarautz in August

Offshore of Zarautz, 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 Zarautz's surf season

Zarautz's main surf season runs March–May, September–November. August is outside it.

Full Zarautz surf and remote-work guide →

Frequently asked questions

Is August a good month to surf Zarautz?
August is outside Zarautz's main surf season (March–May, September–November), so surf is less reliable, though it can still work on the right day.
How warm is the sea in Zarautz in August?
About 23°C on average, which calls for a 2mm shorty or springsuit.
What is the weather like in Zarautz in August?
Air temperature averages 21°C, with about 1.6 mm of rain per day and average winds of 12 km/h.
Climate: NASA POWER (MERRA-2) monthly climatology, 2001–2020. Sea temperature: NOAA Coral Reef Watch CoralTemp v3.1, 5 km monthly SST, 2015–2025 mean (nearest ocean cell). Surf season is Offshore Stays editorial. Waves: Open-Meteo Marine API, ECMWF ERA5-Ocean hourly reanalysis, 2016–2025 (offshore grid cell 43.5°N 2.0°W), retrieved 22 Oct 2026.