Offshore Stays

Surf Nazaré in December

Surfing Nazaré in December: in the main surf season, air around 13°C, sea around 15°C, 2.4 mm of rain a day on average. Wetsuit: a 4/3mm full wetsuit.

Surf season

In season

Air temperature

13°C

Sea temperature

15°C

Rain

2.4 mm/day

Wind

19 km/h avg

Average wave height

2.6 m (9 ft)

Big days (top 10%)

4.2 m (14 ft)+

Swell period

13 s

Main swell direction

From NW (315°)

What to wear: with the sea around 15°C in December, expect a 4/3mm full wetsuit.

Surf size in Nazaré in December

Offshore of Nazaré, waves in December average 2.6 m (9 ft), above the year-round average of 2.1 m — the 3rd biggest month of the year. One hour in ten is 4.2 m (14 ft) or bigger. The dominant swell runs at about 13 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.

December in the context of Nazaré's surf season

Nazaré's main surf season runs September–February. December is inside it.

Full Nazaré surf and remote-work guide →

Other surf towns in season in December

Compare every surf town in season in December →

Frequently asked questions

Is December a good month to surf Nazaré?
Yes — December falls in Nazaré's main surf season (September–February).
How warm is the sea in Nazaré in December?
About 15°C on average, which calls for a 4/3mm full wetsuit.
What is the weather like in Nazaré in December?
Air temperature averages 13°C, with about 2.4 mm of rain per day and average winds of 19 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 39.5°N 9.5°W), retrieved 22 Oct 2026.