Offshore Stays

Surf Arugam Bay in April

Surfing Arugam Bay in April: outside the main surf season, air around 28°C, sea around 30°C, 5.1 mm of rain a day on average. Wetsuit: boardshorts or a rash vest.

Surf season

Off-season

Air temperature

28°C

Sea temperature

30°C

Rain

5.1 mm/day

Wind

9 km/h avg

Average wave height

1.0 m (3 ft)

Big days (top 10%)

1.2 m (4 ft)+

Swell period

10 s

Main swell direction

From SSE (158°)

What to wear: with the sea around 30°C in April, expect boardshorts or a rash vest.

Surf size in Arugam Bay in April

Offshore of Arugam Bay, waves in April average 1.0 m (3 ft), below the year-round average of 1.2 m — the 11th biggest month of the year. One hour in ten is 1.2 m (4 ft) or bigger. The dominant swell runs at about 10 seconds from the SSE.

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 Arugam Bay's surf season

Arugam Bay's main surf season runs May–September. April is outside it.

Full Arugam Bay surf and remote-work guide →

Frequently asked questions

Is April a good month to surf Arugam Bay?
April is outside Arugam Bay's main surf season (May–September), so surf is less reliable, though it can still work on the right day.
How warm is the sea in Arugam Bay in April?
About 30°C on average, which calls for boardshorts or a rash vest.
What is the weather like in Arugam Bay in April?
Air temperature averages 28°C, with about 5.1 mm of rain per day and average winds of 9 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 7.0°N 82.0°E), retrieved 22 Oct 2026.