Offshore Stays

Surf Mundaka in April

Surfing Mundaka in April: outside the main surf season, air around 13°C, sea around 14°C, 2.8 mm of rain a day on average. Wetsuit: a 5/4mm hooded wetsuit with boots and gloves.

Surf season

Off-season

Air temperature

13°C

Sea temperature

14°C

Rain

2.8 mm/day

Wind

17 km/h avg

Average wave height

1.3 m (4 ft)

Big days (top 10%)

2.2 m (7 ft)+

Swell period

11 s

Main swell direction

From NW (315°)

What to wear: with the sea around 14°C in April, expect a 5/4mm hooded wetsuit with boots and gloves.

Surf size in Mundaka in April

Offshore of Mundaka, waves in April average 1.3 m (4 ft), below the year-round average of 1.5 m — the 7th biggest month of the year. One hour in ten is 2.2 m (7 ft) or bigger. The dominant swell runs at about 11 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.

April in the context of Mundaka's surf season

Mundaka's main surf season runs September–March. April is outside it.

Full Mundaka surf and remote-work guide →

Frequently asked questions

Is April a good month to surf Mundaka?
April is outside Mundaka's main surf season (September–March), so surf is less reliable, though it can still work on the right day.
How warm is the sea in Mundaka in April?
About 14°C on average, which calls for a 5/4mm hooded wetsuit with boots and gloves.
What is the weather like in Mundaka in April?
Air temperature averages 13°C, with about 2.8 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 2.5°W), retrieved 22 Oct 2026.