Blue Hole

Federated States Of Micronesia, Micronesia

Depth

60m

Visibility

10m - 30m

Entry

Boat

Experience Level

Beginner

Blue Hole

Federated States Of Micronesia, Micronesia

Depth

60m

Visibility

10m - 30m

Entry

Boat

Experience Level

Beginner

About Blue Hole

A good site even in bad weather - situated opposite the Kosrae Nautilus Resort - it is 60 feet deep with loads of marine life - vis varies in this hole. The reef inside it is flat and has sheer vertical drop offs patch-lined with coral.

Blue Hole Dive Info

Terrain & Features

Drop Off, Reef, Rock

Entry Type

Boat

Max Depth

60m

Visibility Range

10m – 30m

Experience Level

Beginner

Best Gas Mix

—

CNS Load (20 min)

14% at 58m / 21%

O₂

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Marine Life

Angelfish
Baitfish
Chromis

Weather Conditions

Water Temperature ℃

Dive Operators near Blue Hole

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Location

Dive Site Hazards

Edge-Accelerated Currents — Currents often strengthen along drop-off edges.
Depth Perception Distortion — Visual contrast can distort perceived depth.
Terrain-Induced Descent — Divers may unintentionally follow terrain downward.

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.

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.

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