Mooloolaba Reef (Inner Gneering Reef, Outer Gneering Reef, Murphy's Reef)

Moderate risk: Ocean Swell & Surge

Exposed offshore reefs can experience significant ocean swell and surge, especially from November to May when seas are less settled. Snorkeling is often cancelled 50% of the time in summer.

Moderate risk: Ocean Swell & Surge (Summer)

From December to May, ocean swell and surge remain elevated, making conditions challenging for snorkeling.

Moderate risk: Strong Currents

Tidal currents can sweep across the shoal, particularly around Outer Gneering Reef where depth changes create rips.

Moderate risk: Ocean current

Offshore reef system subject to prevailing ocean currents that can carry snorkelers away from the reef structure.

Moderate risk: Depth & distance from shore

The reef top sits at approximately 13 m depth, requiring strong swimming fitness and comfort in deep open water far from land.

Low risk: Boat Traffic

These sites are accessed exclusively by boat. Snorkelers must stay aware of dive boats, charter vessels, and marine traffic in the channel.

Low risk: Cool Water Temperature (Winter)

From June to October water temperatures drop to 20–22°C, requiring a wetsuit for comfort and safety during extended snorkeling.

Low risk: Marine stingers (seasonal)

Box jellyfish and other marine stingers may be present in Queensland coastal waters during warmer months.