Australia · Seal Rocks

SS Catterthun

Best time to dive

Season varies - confirm locally

What you might see

  • Hammerhead sharkLikely

Sightings are seasonal probabilities, not promises - even in peak season nature does its own thing.

Certification & difficulty

Technical - advanced conditions (currents/depth); dive within your training.

Snorkelling

Not a snorkel site - no - deep offshore wreck

Safety notes

extreme depth (48-60m) requiring staged decompression, strong current, unpredictable visibility, remote/exposed location, mandatory SMB with 50m line

Permits & fees

within Port Stephens-Great Lakes Marine Park zone; historic shipwreck may fall under NSW Heritage Act protections (no salvage/artifact removal); no specific per-dive fee verified

Permits and operators change - confirm before booking.

Location

Nearest hub: Forster

This profile is desk research, compiled from public sources - not a first-hand dive report. Coordinates are approximate.