Strike Mission
Big Wave
left
Level 10/10

Roca Cuadrada

Matanzas, Chile
😮‍💨Hold-downs🪨Rocks🏝️Remote

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.

3-Day Forecast
Today
29
7
Poor
1.3m
@13s
12km/h
Thu
30
27
Poor
2.5m
@16s
9km/h
Fri
1
15
Poor
2.0m
@15s
11km/h
+7
Unlock
View 2-year historical scores →

Today's Conditions

Swell
1.3m
SW(234°)
Score: 1/25
Period
13s
Medium period swell
Score: 2/25
Wind
12km/h
SW(217°)
Score: 6/25
Weather
17°C
0.0mm12%
Windswell Component
0.4mSW@2s
Secondary Swell
0.3mW
Forecast Confidence
100%
Sources: open-meteo-marine, open-meteo-weather
Best Session
morning
AM: 6 km/h S|PM: 15 km/h WSW
6 km/h vs 15 km/h afternoon

Location & Conditions

Loading map...
0°45°90°135°180°225°270°315°NESW
Swell
Wind
View in OpenStreetMap
Showing forecast for today

Tide Times

2:17 am
Low tide - -0.65m
8:38 am
High tide - 0.53m
2:51 pm
Low tide - -0.55m
8:50 pm
High tide - 0.41m
Times shown in spot-local time.

Strike Score Breakdown

7
Poor
Components
Swell Direction19/25
Swell Size1/25
Swell Period2/25
Wind6/25
Raw Score28/100
Adjustments
⚠️ Weak Component-10
📉 Undersized Swell-11
🚫 Undersized Capmax 15
Adjusted Score7/100
Confidence
Multiplier×1.00
Final Score7

Spot Details

Swell Requirements

Optimal direction
SW (225°)
Direction range
200° - 250°
Size range
4.5m - 9m
Ideal size
7.0m
Height multiplier
1.08×
Ideal period
20s+

Wind Requirements

Optimal direction
E (90°)
Offshore range
70° - 110°

Tide Requirements

Optimal tide
all
Optimal range
0.5m - 2m

Water temp

13°C

Wetsuit

4/3mm fullsuit

Difficulty

10/10

Crowd level

1/10

Access: Near Matanzas. Big wave spot.

Best Season

Peak: May-Sep

Secondary: Apr, Oct

Big wave spot. Needs massive swell.

Getting There

Airport
SCL
Drive time
160 min
Data quality
community

Nearby Spots

Matanzas

O'Higgins Region, Chile
646m
Point
Lvl 5/10

🪁 Kite capital • Morning surf only • Quality point left

Matanzas La Boca

O'Higgins Region, Chile
1.7km
Point
Lvl 5/10

🌅 Morning right • Low tide • Before the wind

Pupuya

O'Higgins Region, Chile
10km
Beach
Lvl 4/10

🏖️ Consistent beach • O'Higgins coast • Fun waves

Puertecillo

O'Higgins Region, Chile
16km
Point
Lvl 5/10

🌊 Long left point • North of Pichilemu • Less crowded

Topocalma

O'Higgins Region, Chile
24km
Point
Lvl 5/10

🏘️ Quiet village point • Central Chile • Quality left

Pichilemu

O'Higgins Region, Chile
49km
Point
Lvl 5/10

🇨🇱 Chile's surf capital • La Puntilla lefts • Cold water commitment

Strike Log

Community Discussion