Cat Reef - Great Barrier Reef

Cat Reef offers a solid Great Barrier Reef experience, featuring extensive coral formations. We’ve seen plenty of reef sharks cruising the perimeter here, alongside the usual suspects like parrotfish and surgeonfish. It’s a good choice for divers looking for a reliable reef dive without any major surprises. The currents are generally mild, making it suitable for all experience levels.

Location
Great Barrier Reef, Australia, Australasia
Coordinates
-12.996667, 143.849170
Type
reef

Marine Protected Area: Sandbanks

Best Time to Dive in Great Barrier Reef

The warmest water temperatures in Great Barrier Reef occur in February, averaging 29.5°C. The coolest conditions are in August at 25.0°C.

Monthly Water Temperatures

  • January: 29.4°C
  • February: 29.5°C
  • March: 29.2°C
  • April: 28.4°C
  • May: 26.9°C
  • June: 25.8°C
  • July: 25.1°C
  • August: 25.0°C
  • September: 25.4°C
  • October: 26.6°C
  • November: 27.7°C
  • December: 29.0°C

Nearby Dive Sites in Great Barrier Reef

Nearest Dive Centres to Cat Reef

Marine Life in Great Barrier Reef

Home to 163 recorded species including 88 reef fish, 61 hard corals, 9 seagrass & algae, 2 sharks & rays, 1 starfish, 1 sea snails & nudibranchs.

Notable Species

Recommended Packing List for Cat Reef

Based on average water temperature of 27.3°C, currents 17 cm/s.

  • Shorty or Rashguard - warm 27°C water needs minimal exposure protection
  • Mask - essential for every dive
  • Fins
  • BCD - buoyancy compensator
  • Regulator - your most safety-critical piece of gear
  • Dive Computer - tracks depth, time, and NDL
  • Surface Marker Buoy (SMB) - essential for boat pickups
  • Dive Torch - useful for crevices and colour at depth
  • Underwater Camera - capture your diving memories