Offshore Stays

Surf Weligama in May

Surfing Weligama in May: outside the main surf season, air around 28°C, sea around 29°C, 6.3 mm of rain a day on average. Wetsuit: boardshorts or a rash vest.

Surf season

Off-season

Air temperature

28°C

Sea temperature

29°C

Rain

6.3 mm/day

Wind

21 km/h avg

Average wave height

2.0 m (7 ft)

Big days (top 10%)

2.7 m (9 ft)+

Swell period

12 s

Main swell direction

From SSW (203°)

What to wear: with the sea around 29°C in May, expect boardshorts or a rash vest.

Surf size in Weligama in May

Offshore of Weligama, waves in May average 2.0 m (7 ft), above the year-round average of 1.7 m — the 5th biggest month of the year. One hour in ten is 2.7 m (9 ft) or bigger. The dominant swell runs at about 12 seconds from the SSW.

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 Weligama's surf season

Weligama's main surf season runs November–April. May is outside it.

Full Weligama surf and remote-work guide →

Frequently asked questions

Is May a good month to surf Weligama?
May is outside Weligama's main surf season (November–April), so surf is less reliable, though it can still work on the right day.
How warm is the sea in Weligama in May?
About 29°C on average, which calls for boardshorts or a rash vest.
What is the weather like in Weligama in May?
Air temperature averages 28°C, with about 6.3 mm of rain per day and average winds of 21 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 5.5°N 80.5°E), retrieved 22 Oct 2026.