Offshore Stays

Surf Florianópolis in April

Surfing Florianópolis in April: in the main surf season, air around 22°C, sea around 24°C, 3.4 mm of rain a day on average. Wetsuit: boardshorts or a rash vest.

Surf season

In season

Air temperature

22°C

Sea temperature

24°C

Rain

3.4 mm/day

Wind

14 km/h avg

Average wave height

1.4 m (4 ft)

Big days (top 10%)

1.9 m (6 ft)+

Swell period

9 s

Main swell direction

From SE (135°)

What to wear: with the sea around 24°C in April, expect boardshorts or a rash vest.

Surf size in Florianópolis in April

Offshore of Florianópolis, waves in April average 1.4 m (4 ft), above the year-round average of 1.3 m — the 5th 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 SE.

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 Florianópolis's surf season

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

Full Florianópolis surf and remote-work guide →

Frequently asked questions

Is April a good month to surf Florianópolis?
Yes — April falls in Florianópolis's main surf season (March–October).
How warm is the sea in Florianópolis in April?
About 24°C on average, which calls for boardshorts or a rash vest.
What is the weather like in Florianópolis in April?
Air temperature averages 22°C, with about 3.4 mm of rain per day and average winds of 14 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.