Moon Island
Our dive site also offers thrilling encounters during the winter months. Admire the majestic presence of grey nurse sharks, while keeping an eye out for playful seals and enchanting weedy seahorses. Additionally, you'll have the opportunity to marvel at the vibrant colors of nudibranchs, encounter graceful eels, and spot various captivating fish species.
With excellent visibility of 9 meters and a maximum depth of 19 meters, this dive site is perfect for divers of all skill levels, including beginners. Located near the Moon Island Nature Reserve on Lambton Parade in Swansea Heads, the site provides an ideal diving experience within the scenic surroundings of Lake Macquarie City Council, New South Wales, Australia.
Prepare to embark on an unforgettable underwater journey and discover the wonders that await you at our remarkable dive site in Australia's aquatic paradise.
Diving Conditions Score for Moon Island
Average conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Moon Island
Depth
19m
Visibility
9m
Experience Level
Weather Conditions for Moon Island
Wave Height
0.52m
Wind Speed
11.8 m/s
Water Temp
19.8°C
Visibility
58.46km
Cloud Cover
7%
Wave Period
8.25s
Air Temperature
9.9°C
Precipitation
0 mm
Dive Score Chart for Moon Island
Best time to dive: 13:00 with score 7.471228070175439/10. Water conditions: Waves 0.58m, Wind 13.2 m/s.Best night dive time: 18:00 with score 6.958048780487805/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Moon Island 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.
Score: 7.5/10
Waves: 0.58m (7.6s), Wind: 13.2 m/s
Score: 7.0/10
Waves: 0.56m, Wind: 12 m/s
Seasonal Analysis for Moon IslandAlpha
Historical patterns and best seasons for diving at Moon Island
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 Moon Island
Summer
Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.
Best Months for Moon Island
Ideal Conditions for Moon Island
Water Temp
19.6°C / 67.3°F
January
Visibility
13.2m / 43.3ft
November
Wave Height
1.3m / 4.3ft
January
Wave Period
8.0s
January
Seasonal Insights for Moon Island
Moon Island follows southern hemisphere patterns with January being the warmest month (19.6°C) and June the coldest (12.5°C). The calmest conditions typically occur in January with average wave heights of 1.3m 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 - Jul 3, 2026