Easter Bommie

Victoria, Australia

Depth

27m

Visibility

3m - 8m

Entry

Boat

Experience Level

Experienced

Easter Bommie

Victoria, Australia

Depth

27m

Visibility

3m - 8m

Entry

Boat

Experience Level

Experienced

About Easter Bommie

At the very northern end of the Lonsdale Reef System lays the Easter Bommie. No one really knows where the name originated, but everyone who dives it knows it is a wonderful dive. Only accessible for diving at slack water, the shot line will be dropped in around 16 metres on the northern edge of the Bommie. Swimming north from the shot you will drop over the edge and descend to a maximum depth of 27 metres at the base of the Bommie, with the sea bed covered in strange round rocks the size of cannonballs. You can then follow the wall around to either the south east or the south west. Crayfish are abundant in the south east. Great dive with lots of fish and lots of lovely soft corals and sponges. Check shipping timetables prior to diving this site as this dive site is located in the shipping channel.

Easter Bommie Dive Info

Terrain & Features

Rock, Deep, Reef, Drop Off

Entry Type

Boat

Max Depth

27m

Visibility Range

3m – 8m

Experience Level

Experienced

Best Gas Mix

21% – 38%

O₂

CNS Load (25 min)

13% at 25m / 36%

O₂

Multi-Level Dive Planner

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Marine Life

Crayfish

Weather Conditions

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Dive Operators near Easter Bommie

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Location

Location details missing.

Dive Site Hazards

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.

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.

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.

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.

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