Roca Cuadrada ("Square Rock") is a big wave left reef near Matanzas that comes alive on massive SW swells. Named for a distinctive square-shaped rock, the wave can produce 30-foot faces for tow-in chargers.
Model forecast for swell, wind and tide.
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Water temp
13°C
Wetsuit
4/3mm fullsuit
Difficulty
10/10
Crowd level
1/10
Access: Near Matanzas. Big wave spot.
The Roca Cuadrada profile favors the recorded tide range, ideally between 0.5m and 2m on the local tide chart. Compare this preference with the forecast tide and local conditions before choosing a session.
The Roca Cuadrada profile uses wind from E (90°) as its preferred direction, with an offshore range of 70° to 110°. Wind speed matters too: light winds outside that range can still produce surfable conditions, while strong offshore winds can make takeoffs difficult.
The Roca Cuadrada scoring profile favors swell from SW (200° to 250°), a swell-height range of 4.5m to 9m, and a reference period of 20s. These are model inputs, not guaranteed breaking-wave heights or a promise that the surf will suit every ability.
The main season at Roca Cuadrada is May-Sep. A secondary window runs Apr, Oct. Big wave spot. Needs massive swell.
The spot profile lists SCL as a nearby airport. The estimated road transfer is 160 minutes. Near Matanzas. Big wave spot.
Roca Cuadrada is a big wave break, a left-hander. Difficulty is rated 10/10.
Peak: May-Sep
Secondary: Apr, Oct
Big wave spot. Needs massive swell.
🪁 Kite capital • Morning surf only • Quality point left
🌅 Morning right • Low tide • Before the wind
🏖️ Consistent beach • O'Higgins coast • Fun waves
🌊 Long left point • North of Pichilemu • Less crowded
🏘️ Quiet village point • Central Chile • Quality left
🇨🇱 Chile's surf capital • La Puntilla lefts • Cold water commitment
Compare this break with other destinations in these surf guides.