Siriu Surf Forecast and Surf Reports

(Santa Catarina – Sul, Brazil)

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- Hourly Forecast
- 16 Day Forecast
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Weather State
Spot Information

Siriu Surf Guide

Siriu in Santa Caterina is an exposed beach break that has reasonably consistent surf. Winter is the best time of year for surfing here. Offshore winds are from the west. Most of the surf here comes from groundswells and the ideal swell angle is from the east. Waves at the beach tend to peel to the left. Good surf at all stages of the tide. Sometimes crowded. Surfing here means negotiating dangerous rips.

Siriu Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Beach	3	fairly consistent	22.7°C*ocean temperature recorded from satellite

Surfing Siriu:

The best conditions reported for surf at Siriu occur when a East swell combines with an offshore wind direction from the West.

Hourly Forecast

16 Day Forecast

What's the best time of year to surf Siriu (for consistent clean waves)?

januaryBest Season: autumn

The best time of year for surfing Siriu with consistent clean waves (rideable swell with light / offshore winds) is during Autumn and most often the month of January. Clean surfable waves are typically found 19% of the time in January while 59% of the time it tends to be blown out. For the remaining 22% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

19%

Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.

blown out

59%

Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).

too small

22%

Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Siriu Location Map

Interactive Siriu surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The closest passenger airport to Siriu is Hercilio Luz (Florianopolis) Airport (FLN) in Brazil, which is 37 km (23 miles) away (directly). The second nearest airport to Siriu is Navegantes Itajai Airport (NVT), also in Brazil, 125 km (78 miles) away.

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.

Siriu Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Tuesday, 5 May 2026, 08:17 Local Time

m, °C	Tuesday 05
ft, °F	6AM	9AM	12PM	3PM
Wave (m)	SSE	SSE	SSE	SSE
Period (s)	14	14	13	13
Wind (km/h)
Wind State	cross- off	cross	cross- on	cross- on

Tides at Siriu

Current tide and informaton

For Gamboa, 9 km from Siriu.

Next High Water: 03:57pm | 0.66m

Next Low Water: 09:15am | 0.12m

NEXT	IS AT (local time)	remaining
high tide
low tide

Siriu Sea Temperature

Sunny with very warm air temperatures, feeling like 26.0 °C once we account for any wind. Sea temperatures (22.7 °C) warm too. Staying warm in the water won't be a problem in board-shorts, but wear at least a rash-vest to keep the UV off.

Today, many surfers would wear a rashvest wetsuit.

Current Temp*: 22.7°C*ocean temperature recorded from satellite