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Big Wave
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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
15
0
Poor
2.1m
@15s
15km/h
Mon
16
6
Poor
2.9m
@15s
14km/h
Tue
17
13
Poor
3.1m
@14s
13km/h
+7
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View 2-year historical scores →

Today's Conditions

Swell
2.1m
WSW(239°)
Score: 1/25
Period
15s
Long period groundswell
Score: 4/25
Wind
15km/h
NNE(33°)
Score: 1/25
Weather
16°C
0.0mm46%
Windswell Component
0.1mNNE@2s
Secondary Swell
0.4mWSW
Forecast Confidence
100%
Sources: open-meteo-marine, open-meteo-weather
Best Session
morning

Location & Conditions

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

Tide Times

3:18 am
Low tide - -0.44m
9:15 am
High tide - 0.17m
2:36 pm
Low tide - -0.30m
9:05 pm
High tide - 0.62m
Times shown in spot-local time.

Strike Score Breakdown

0
Poor
Components
Swell Direction16/25
Swell Size1/25
Swell Period4/25
Wind1/25
Raw Score22/100
Adjustments
🤢 Wind History-11
⚠️ Weak Component-10
📉 Undersized Swell-10
🚫 Undersized Capmax 15
Adjusted Score0/100
Confidence
Multiplier×1.00
Final Score0
🤢 Morning Sickness

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°
Best window
morning

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

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Strike Log

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