

Best for advanced divers, 26-42m, boat entry, variable current.
North Lump is a deep wreck site located 18.5 kilometres off the coast of Cottesloe, Australia. The site features a wreck structure that serves as an artificial reef, with depths ranging from 26 to 42 metres and an average depth of 32 metres. Due to the depth and overhead environments within the wreck, this site is strictly for advanced divers. Divers must manage decompression stops, nitrogen narcosis, and entanglement risks carefully. Currents are variable and can shift unexpectedly. Boat access is required for this site, which typically involves a 20-minute dive duration. Visibility can be limited, and divers should be prepared for reduced light conditions during penetration.
-31.79098, 115.71603
Plan your dive for May or September when conditions tend to be more settled. Confirm current forecasts with your operator before committing to the penetration sections of the wreck, as entanglement and overhead hazards make a bailout plan essential.
Located 18.5 kilometres off the coast of Cottesloe, Australia. Boat access is required.
Recorded at this site
Depth
26-42m
Skill Level
Advanced
Entry
Boat
Boat required
Water Temp
19-23°C
Current
Variable
Typical Dive
20 min
Best Time
May, Sep
The site ranges from 26 to 42 metres deep, with an average depth of 32 metres.
No, this site is intended for advanced divers due to the significant depth, overhead environments, and potential for variable currents.
North Lump is located 18.5 kilometres from shore and requires boat access.
May and September are the best months to visit, as conditions are generally more settled.
Hazards include decompression requirements, deep water, nitrogen narcosis, and entanglement risks within the wreck's overhead environments.
Diving at North Lump in Cottesloe requires the following certifications: Advanced, Deep. Always dive within your training limits.
A 5mm wetsuit is recommended for diving at North Lump in Cottesloe. Water temperatures range from 19°C to 23°C.
The best months to visit North Lump in Cottesloe are May and September. Conditions outside these months can still be good but are less predictable.
Currents at North Lump in Cottesloe are variable and can change with tides and conditions. Always check current conditions before diving.