Sumatra, Indonesia
40m
15m - 45m
Boat
Experienced
Reef
Boat
40m
15m – 45m
Experienced
21% – 28%
O213% at 38m / 29%
O2No photos yet.
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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.