Offshore Stays

Surf Sagres in May

Surfing Sagres in May: in the main surf season, air around 18°C, sea around 17°C, 1.2 mm of rain a day on average. Wetsuit: a 4/3mm full wetsuit.

Surf season

In season

Air temperature

18°C

Sea temperature

17°C

Rain

1.2 mm/day

Wind

20 km/h avg

Average wave height

1.6 m (5 ft)

Big days (top 10%)

2.3 m (8 ft)+

Swell period

10 s

Main swell direction

From NW (315°)

What to wear: with the sea around 17°C in May, expect a 4/3mm full wetsuit.

Surf size in Sagres in May

Offshore of Sagres, waves in May average 1.6 m (5 ft), below the year-round average of 1.9 m — the 8th biggest month of the year. One hour in ten is 2.3 m (8 ft) or bigger. The dominant swell runs at about 10 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.

May in the context of Sagres's surf season

Sagres's main surf season runs April–May, September–November. May is inside it.

Full Sagres surf and remote-work guide →

Frequently asked questions

Is May a good month to surf Sagres?
Yes — May falls in Sagres's main surf season (April–May, September–November).
How warm is the sea in Sagres in May?
About 17°C on average, which calls for a 4/3mm full wetsuit.
What is the weather like in Sagres in May?
Air temperature averages 18°C, with about 1.2 mm of rain per day and average winds of 20 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 37.0°N 9.0°W), retrieved 22 Oct 2026.