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Boarfish Reef

Boarfish Reef

Victoria, Australia

Depth
Depth Icon

20m

Visibility
Visibility Icon

3m - 8m

Entry
Boat Entry Icon

Boat

Experience Level

Beginner

Boarfish Reef

Victoria, Australia

Boarfish Reef
Depth
Depth Icon

20m

Visibility
Visibility Icon

3m - 8m

Entry
Boat Entry Icon

Boat

Experience Level

Beginner


About Boarfish Reef

Boarfish Reef lies approximately halfway between Queenscliff and Point Lonsdale, on Victoria's rugged coastline and starts in approximately 10metres of water dropping off to 22metres, involving a system of caves, drop-offs and overhangs. The reef provides a multitude of colour, plant and animal life. There are spectacular Blue Devil, Crayfish and of course Boarfish, hence the name of the reef. Near the Southern end of the reef, lies a large 4metre Admiralty anchor encrusted with marine growth. On the northern tip of the reef a large sponge garden extends for approx 400metres.

Boarfish Reef Dive Info

Terrain & Features

Reef, Drop Off, Rock, Wall, Other

Entry Type

Boat

Max Depth

20m

Visibility Range

3m 8m

Experience Level

Beginner

Best Gas Mix

21% – 47%

O2

12% at 18m / 36%

O2
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Marine Life

  • Blue Devil
  • Boarfish
  • Crayfish
Weather Conditions

Water Temperature
Dive Operators near Boarfish Reef

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Location

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.

  • 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.

  • 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.

  • 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.

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