Julian Rocks - Cod Hole
The Cod Hole: A Remarkable Dive Site in Australia
Welcome to The Cod Hole, a captivating dive site that is perfect for experienced divers. Located on the northern tip, this small underwater cave opens up at a depth of approximately 15m and then slopes downwards to a maximum depth of 21m.
This dive site is known for providing shelter to a variety of marine creatures, including grey nurse sharks during the winter months, large moray eels, wobbegongs, and schooling large pelagic fish. Exploring this site will undoubtedly offer you an awe-inspiring underwater adventure.
With a visibility of 12m and a maximum depth of 18m, The Cod Hole presents an excellent opportunity for beginner divers as well. As a diver, you can witness the fascinating marine life while being surrounded by the beauty of Australia's underwater world.
Located near the Julian Rocks Nguthungulli Nature Reserve, Little Wategos Track, Byron Bay, Byron Shire Council, New South Wales, 2481, Australia, The Cod Hole is easily accessible for divers in the region.
Don't miss this chance to discover the wonders of The Cod Hole. Plan your dive today and experience the magic of this remarkable dive site in Australia.
Welcome to The Cod Hole, a captivating dive site that is perfect for experienced divers. Located on the northern tip, this small underwater cave opens up at a depth of approximately 15m and then slopes downwards to a maximum depth of 21m.
This dive site is known for providing shelter to a variety of marine creatures, including grey nurse sharks during the winter months, large moray eels, wobbegongs, and schooling large pelagic fish. Exploring this site will undoubtedly offer you an awe-inspiring underwater adventure.
With a visibility of 12m and a maximum depth of 18m, The Cod Hole presents an excellent opportunity for beginner divers as well. As a diver, you can witness the fascinating marine life while being surrounded by the beauty of Australia's underwater world.
Located near the Julian Rocks Nguthungulli Nature Reserve, Little Wategos Track, Byron Bay, Byron Shire Council, New South Wales, 2481, Australia, The Cod Hole is easily accessible for divers in the region.
Don't miss this chance to discover the wonders of The Cod Hole. Plan your dive today and experience the magic of this remarkable dive site in Australia.
Diving Conditions Score for Julian Rocks - Cod Hole
6.1
Above AverageDecent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Julian Rocks - Cod Hole
Depth
18m
Visibility
12m
Experience Level
beginner
Weather Conditions for Julian Rocks - Cod Hole
Wave Height
1.36m
Wind Speed
13.5 m/s
Water Temp
21.4°C
Visibility
61.74km
Cloud Cover
63%
Wave Period
9.2s
Air Temperature
20.8°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Julian Rocks - Cod Hole
Alpha
Dive Score Chart for Julian Rocks - Cod Hole
Best time to dive: 17:00 with score 6.822890476190476/10. Water conditions: Waves 1.16m, Wind 11.9 m/s.Best night dive time: 20:00 with score 6.3953303030303035/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Julian Rocks - Cod Hole: 06:00
Sunset at Julian Rocks - Cod Hole: 18:00
Optimal diving conditions at Julian Rocks - Cod Hole are affected by daylight hours. Sunrise occurs at 06:00 and sunset at 18:00, which impacts visibility and water temperature for scuba diving and snorkeling.
Best Overall
17:00Score: 6.8/10
Waves: 1.16m (8.75s), Wind: 11.9 m/s
Best Night
20:00Score: 6.4/10
Waves: 1.14m, Wind: 12 m/s
Seasonal Analysis for Julian Rocks - Cod HoleAlpha
Historical patterns and best seasons for diving at Julian Rocks - Cod Hole
The dive score combines all factors to rate overall diving conditions throughout the year. Higher scores indicate better diving conditions.
Monthly Dive Score Analysis - Seasonal Diving Conditions
Higher values indicate better diving conditions
Seasonal DiveScore Chart
This chart displays monthly diveScore data throughout the year, showing seasonal patterns. The data is presented as a bar chart with an overlaid line graph.Dive scores range from 1 to 10, with 10 being optimal conditions.
Higher values indicate better diving conditions
Best Season for Julian Rocks - Cod Hole
Summer
Avg. Score: 8.6/10
Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.
Best Months for Julian Rocks - Cod Hole
July
Score: 8.7
June
Score: 8.6
August
Score: 8.6
Ideal Conditions for Julian Rocks - Cod Hole
Water Temp
20.4°C / 68.7°F
March
Visibility
13.3m / 43.6ft
November
Wave Height
1.1m / 3.6ft
January
Wave Period
8.0s
January
Seasonal Insights for Julian Rocks - Cod Hole
Julian Rocks - Cod Hole follows southern hemisphere patterns with March being the warmest month (20.4°C) and July the coldest (14.7°C). The calmest conditions typically occur in January with average wave heights of 1.1m and wave periods of 8.0s. The most comfortable wave conditions are in January with a low wave steepness ratio, creating gentler swells. January offers the longest wave periods (8.0s), creating more comfortable and predictable conditions for boat entries and exits. Ocean currents are slowest in January (0.5m/s) and strongest in January (0.5m/s). June is usually the driest month with 0.0mm of precipitation. For beginners, the best time to visit would be during January to March, when ocean conditions are calmer with long-period waves and currents are typically weaker. Experienced divers might enjoy the challenges and potentially better visibility during the shoulder seasons, with moderate currents that can improve marine life encounters.
Last updated: 1 min. ago - Jun 18, 2026
Note: This dive site is not a verified dive site. Please dive with caution. This dive site might have incorrect information by the community.
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