Offshore Stays

Surf Florianópolis in October

Surfing Florianópolis in October: in the main surf season, air around 20°C, sea around 21°C, 4.7 mm of rain a day on average. Wetsuit: a 2mm shorty or springsuit.

Surf season

In season

Air temperature

20°C

Sea temperature

21°C

Rain

4.7 mm/day

Wind

17 km/h avg

Average wave height

1.5 m (5 ft)

Big days (top 10%)

1.9 m (6 ft)+

Swell period

9 s

Main swell direction

From E (90°)

What to wear: with the sea around 21°C in October, expect a 2mm shorty or springsuit.

Surf size in Florianópolis in October

Offshore of Florianópolis, waves in October average 1.5 m (5 ft), above the year-round average of 1.3 m — the 2nd biggest month of the year. One hour in ten is 1.9 m (6 ft) or bigger. The dominant swell runs at about 9 seconds from the E.

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 Florianópolis's surf season

Florianópolis's main surf season runs March–October. October is inside it.

Full Florianópolis surf and remote-work guide →

Frequently asked questions

Is October a good month to surf Florianópolis?
Yes — October falls in Florianópolis's main surf season (March–October).
How warm is the sea in Florianópolis in October?
About 21°C on average, which calls for a 2mm shorty or springsuit.
What is the weather like in Florianópolis in October?
Air temperature averages 20°C, with about 4.7 mm of rain per day and average winds of 17 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 28.0°S 48.5°W), retrieved 22 Oct 2026.