Julian Rocks - Hugos Trench
Welcome to our dive site in Australia! Explore the breathtaking underwater world with sheer walls on both sides, teeming with an incredible variety of small and fascinating creatures. Prepare to encounter nudibranchs, Spanish dancers, crayfish, mantis shrimp, moray eels, ghostfish, pineapple fish, bubble snails, and more. And don't worry, you won't miss out on encounters with larger marine animals like bull rays and wobbegong sharks. This dive site, located in the Julian Rocks Nguthungulli Nature Reserve near Byron Bay, offers a maximum depth of 16m and visibility of 11m. It is suitable for divers of all levels, including beginners. Come and experience the beauty of the underwater world at our site.
Diving Conditions Score for Julian Rocks - Hugos Trench
5.8
AverageAverage conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Julian Rocks - Hugos Trench
Depth
16m
Visibility
11m
Experience Level
beginner
Weather Conditions for Julian Rocks - Hugos Trench
Wave Height
0.9m
Wind Speed
8.3 m/s
Water Temp
21.7°C
Visibility
53.96km
Cloud Cover
22%
Wave Period
9.55s
Air Temperature
16.6°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Julian Rocks - Hugos Trench
Alpha
Dive Score Chart for Julian Rocks - Hugos Trench
Best time to dive: 9:00 with score 7.549561082024432/10. Water conditions: Waves 0.9m, Wind 7.1 m/s.Best night dive time: 23:00 with score 6.860171428571428/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Julian Rocks - Hugos Trench: 06:00
Sunset at Julian Rocks - Hugos Trench: 18:00
Optimal diving conditions at Julian Rocks - Hugos Trench 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
9:00Score: 7.5/10
Waves: 0.9m (9.55s), Wind: 7.1 m/s
Safest Overall
13:00Score: 7.4/10
Waves: 0.86m (9.65s), Wind: 3.2 m/s
Best Night
23:00Score: 6.9/10
Waves: 0.82m, Wind: 11.6 m/s
Seasonal Analysis for Julian Rocks - Hugos TrenchAlpha
Historical patterns and best seasons for diving at Julian Rocks - Hugos Trench
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 - Hugos Trench
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 - Hugos Trench
July
Score: 8.7
June
Score: 8.6
August
Score: 8.6
Ideal Conditions for Julian Rocks - Hugos Trench
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 - Hugos Trench
Julian Rocks - Hugos Trench 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 21, 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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