Ko Ha Yai

Krabi, Thailand

Depth

36m

Visibility

10m - 30m

Entry

Boat

Experience Level

Experienced

Ko Ha Yai

Krabi, Thailand

Depth

36m

Visibility

10m - 30m

Entry

Boat

Experience Level

Experienced

About Ko Ha Yai

This scuba dive consists of a series of rock features including some caverns.Marine life is good and you may even see an elusive whale shark

Ko Ha Yai Dive Info

Terrain & Features

Shark, Cave, Reef

Entry Type

Boat

Max Depth

36m

Visibility Range

10m – 30m

Experience Level

Experienced

Best Gas Mix

21% – 30%

O₂

CNS Load (20 min)

14% at 34m / 32%

O₂

Multi-Level Dive Planner

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Marine Life

Various

Weather Conditions

Weather information for Ko Ha Yai coming soon.

Dive Operators near Ko Ha Yai

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Location

Location details missing.

Dive Site Hazards

Situational Awareness Loss — Divers may fixate on sharks and lose depth or position awareness.
Subtle Behavioural Shifts — Changes in shark behaviour may be missed without active observation.
Blue-Water Reference Loss — Lack of visual references increases ascent and descent instability.

Remote Silt Disturbance — Silt can be disturbed metres away from the source.

Rapid Stress Escalation — Stress can increase sharply when visibility or navigation degrades.

High Cognitive Load Navigation — Complex passages increase mental workload even on a line.

Hidden Depth Variations — Complex reef topography can conceal depth changes, leading to unintended profile variations.

Distraction from Marine Activity — High fish activity can distract divers and delay depth or gas awareness.

Rapid Surge Direction Changes — Surge near reef structures can reverse direction quickly, pushing divers sideways into unexpected areas.

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