Tumon bay

Mariana Islands, Micronesia

Depth

Visibility

15m - 45m

Entry

Shore

Experience Level

Beginner

Tumon bay

Mariana Islands, Micronesia

Depth

Visibility

15m - 45m

Entry

Shore

Experience Level

Beginner

About Tumon bay

This bay is one of the many beautiful shores found arounf Guam Island. Diving is a real pleasure here as the currents are very light, and depth reaches no more then 4 meters. Despite the shallow waters, this site has abundant marine life along with many scattered coral heads and patch reefs. Very interesting dive, ideal for photography and night diving.

Tumon bay Dive Info

Terrain & Features

Reef, Other, Night

Entry Type

Shore

Max Depth

Visibility Range

15m – 45m

Experience Level

Beginner

Best Gas Mix

21%

O₂

CNS Load (45 min)

-1% at 2m / 36%

O₂

Multi-Level Dive Planner

Photo gallery

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Marine Life

Various

Weather Conditions

Weather information for Tumon bay coming soon.

Dive Operators near Tumon bay

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Location

Location details missing.

Dive Site Hazards

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.

Landmark Misidentification — Familiar sites can become unrecognisable at night.

Light-Induced Tunnel Vision — Focused light beams reduce peripheral awareness.

Depth Perception Errors — Reduced ambient light increases depth perception mistakes.

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