30m
10m - 30m
Boat
Beginner
30m
10m - 30m
Boat
Beginner
Night, Reef
Boat
30m
10m – 30m
Beginner
21% – 35%
O216% at 28m / 36%
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132.95kmLandmark 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.
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.