Big Fish Rock

West Dili, Timor-Leste

Depth

40m

Visibility

15m - 45m

Entry

Boat

Experience Level

Advanced

Big Fish Rock

West Dili, Timor-Leste

Depth

40m

Visibility

15m - 45m

Entry

Boat

Experience Level

Advanced

About Big Fish Rock

This site is only recommended for advanced level divers due to the very strong currents and depth. Here you will find abundant marine life. Sandy bottom with scattered coral heads and rock formations. Big Fish Rock promises you a ride you will never forget. Good buoyancy control is a must.

Big Fish Rock Dive Info

Terrain & Features

Drift, Rock, Other, Deep

Entry Type

Boat

Max Depth

40m

Visibility Range

15m – 45m

Experience Level

Advanced

Best Gas Mix

21% – 28%

O₂

CNS Load (20 min)

13% at 38m / 29%

O₂

Multi-Level Dive Planner

Photo gallery

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Marine Life

Barracuda
Hammerhead Sharks
Pelagic Fish
Sharks
Trevally
Various

Weather Conditions

Weather information for Big Fish Rock coming soon.

Dive Operators near Big Fish Rock

We couldn’t find dive operators near “Big Fish Rock”. You can browse all operators in Timor-Leste here.

Location

Location details missing.

Dive Site Hazards

Eddy Pull-Off Zones — Eddies behind structures can pull divers away from the main drift line.
Delayed Surface Pickup — Strong current can exceed surface tracking assumptions, delaying boat pickup.
Vertical Current Shear — Currents may vary by depth, causing vertical separation even when divers stay together.

Bubble Trapping Under Overhangs — Rock overhangs can trap exhaled bubbles, reducing visibility and causing disorientation.

Reflected Surge Patterns — Surge reflecting off rock faces can create irregular and unpredictable water movement.

Current Funnel Effect — Narrow gaps between rocks can accelerate water flow unexpectedly.

Gradual Narcosis Onset — Narcosis may develop slowly, making self-assessment unreliable.

Task Fixation at Depth — Cognitive narrowing at depth can reduce awareness of time and ascent rate.

Increased Gas Density Breathing Load — Higher gas density at depth increases work of breathing.

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