Skip to content
Go to Dive Champ home pageDive Champ LogoDive Champ

Moon Island

Experience an incredible underwater adventure at our dive site in Australia! Choose from a range of exciting features, including mesmerizing arches to swim through, fascinating caves to explore, and rugged rocky shelves. For a more tranquil experience, drift effortlessly alongside the breathtaking rock formations and discover thriving soft and hard coral beds teeming with a diverse array of marine life.

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

5.7
Average

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

beginner

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

Detailed 7-Day Diving Forecast for Moon Island
Alpha

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.

Sunrise at Moon Island: 06:00
Sunset at Moon Island: 18:00

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.

🌞
Best Overall
13:00

Score: 7.5/10
Waves: 0.58m (7.6s), Wind: 13.2 m/s

🌙
Best Night
18:00

Score: 7.0/10
Waves: 0.56m, Wind: 12 m/s

Seasonal Analysis for Moon Island
Alpha

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

Avg. Score: 8.5/10

Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.

Best Months for Moon Island

July
Score: 8.6
June
Score: 8.5
August
Score: 8.5

Ideal Conditions for Moon Island

Water Temp

Thermometer Emoji

19.6°C / 67.3°F

January

Visibility

Telescope Emoji

13.2m / 43.3ft

November

Wave Height

Wave Emoji

1.3m / 4.3ft

January

Wave Period

Wave Emoji

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.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. ago - Jul 3, 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.

22 Dive sites near Moon Island in

Find more dive sites in Australia

AustraliaAustralia

Australia

Got feedback?

Help us improve this dive site by giving us feedback.