Offshore Stays

Surf San Juan del Sur in October

Surfing San Juan del Sur in October: in the main surf season, air around 27°C, sea around 29°C, 10.2 mm of rain a day on average. Wetsuit: boardshorts or a rash vest.

Surf season

In season

Air temperature

27°C

Sea temperature

29°C

Rain

10.2 mm/day

Wind

15 km/h avg

Average wave height

1.2 m (4 ft)

Big days (top 10%)

1.5 m (5 ft)+

Swell period

13 s

Main swell direction

From SW (225°)

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

Surf size in San Juan del Sur in October

Offshore of San Juan del Sur, waves in October average 1.2 m (4 ft), below the year-round average of 1.3 m — the 11th biggest month of the year. One hour in ten is 1.5 m (5 ft) or bigger. The dominant swell runs at about 13 seconds from the SW.

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.

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

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

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

Frequently asked questions

Is October a good month to surf San Juan del Sur?
Yes — October falls in San Juan del Sur's main surf season (March–October).
How warm is the sea in San Juan del Sur in October?
About 29°C on average, which calls for boardshorts or a rash vest.
What is the weather like in San Juan del Sur in October?
Air temperature averages 27°C, with about 10.2 mm of rain per day and average winds of 15 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.