Offshore Stays

Surf San Juan del Sur in April

Surfing San Juan del Sur in April: in the main surf season, air around 29°C, sea around 27°C, 0.8 mm of rain a day on average. Wetsuit: boardshorts or a rash vest.

Surf season

In season

Air temperature

29°C

Sea temperature

27°C

Rain

0.8 mm/day

Wind

23 km/h avg

Average wave height

1.2 m (4 ft)

Big days (top 10%)

1.6 m (5 ft)+

Swell period

13 s

Main swell direction

From SSW (203°)

What to wear: with the sea around 27°C in April, expect boardshorts or a rash vest.

Surf size in San Juan del Sur in April

Offshore of San Juan del Sur, waves in April average 1.2 m (4 ft), below the year-round average of 1.3 m — the 10th biggest month of the year. One hour in ten is 1.6 m (5 ft) or bigger. The dominant swell runs at about 13 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.

April in the context of San Juan del Sur's surf season

San Juan del Sur's main surf season runs March–October. April is inside it.

Full San Juan del Sur surf and remote-work guide →

Frequently asked questions

Is April a good month to surf San Juan del Sur?
Yes — April falls in San Juan del Sur's main surf season (March–October).
How warm is the sea in San Juan del Sur in April?
About 27°C on average, which calls for boardshorts or a rash vest.
What is the weather like in San Juan del Sur in April?
Air temperature averages 29°C, with about 0.8 mm of rain per day and average winds of 23 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 11.0°N 86.0°W), retrieved 22 Oct 2026.