Offshore Stays

Surf San Sebastián in November

Surfing San Sebastián in November: in the main surf season, air around 12°C, sea around 16°C, 5.0 mm of rain a day on average. Wetsuit: a 4/3mm full wetsuit.

Surf season

In season

Air temperature

12°C

Sea temperature

16°C

Rain

5.0 mm/day

Wind

17 km/h avg

Average wave height

1.9 m (6 ft)

Big days (top 10%)

3.3 m (11 ft)+

Swell period

12 s

Main swell direction

From NW (315°)

What to wear: with the sea around 16°C in November, expect a 4/3mm full wetsuit.

Surf size in San Sebastián in November

Offshore of San Sebastián, waves in November average 1.9 m (6 ft), above the year-round average of 1.5 m — the 4th biggest month of the year. One hour in ten is 3.3 m (11 ft) or bigger. The dominant swell runs at about 12 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.

November in the context of San Sebastián's surf season

San Sebastián's main surf season runs March–April, September–November. November is inside it.

Full San Sebastián surf and remote-work guide →

Frequently asked questions

Is November a good month to surf San Sebastián?
Yes — November falls in San Sebastián's main surf season (March–April, September–November).
How warm is the sea in San Sebastián in November?
About 16°C on average, which calls for a 4/3mm full wetsuit.
What is the weather like in San Sebastián in November?
Air temperature averages 12°C, with about 5.0 mm of rain per day and average winds of 17 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.