36m
8m - 23m
Shore
Experienced
36m
8m - 23m
Shore
Experienced
Reef, Other, Wreck, Deep, Drop Off, Wall
Shore
36m
8m – 23m
Experienced
21% – 30%
O214% at 34m / 32%
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Wilson Diving Corp.
45.6km*Big Fish Expeditions Inc.
47.75km*Frank White's Scuba Shop, Ltd.
48.09km*Rockfish Divers
51.49km*Docside Dive Charters
68.37km*Whidbey Island Dive Center
85.32kmAnacortes Diving & Supply
96.05kmExotic Aquatics Ltd.
104.44kmUnderwater Sports Inc. (edmonds)
105.69kmArgonaut Diving
107.14kmHidden 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.
Deceptive Entry Openings — Openings may become restrictive inside due to angle, collapse, or corrosion.
Surge-Induced Internal Silt Shift — Internal surge can move silt and debris without direct contact.
Partial Overhead Environment — Many wrecks limit direct ascent even without full penetration.
Fine Rust Particle Silt-Out — Disturbed rust particles can rapidly reduce visibility.
Gradual Narcosis Onset — Narcosis may develop slowly, making self-assessment unreliable.
Task Fixation at Depth — Cognitive narrowing at depth can reduce awareness of time and ascent rate.
Increased Gas Density Breathing Load — Higher gas density at depth increases work of breathing.
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.
Unstable Visual Ascents — Relying on wall visuals can destabilise ascents.
Gradual Depth Creep — Lack of visual bottom reference can cause unnoticed descent.
Unsignalled Downcurrents — Downcurrents can form without visible indicators.