HMAS Swan (Wreck)
The HMAS Swan, a 2750-ton, 140-meter long ship, was intentionally sunk in Geographe Bay in December 1997 to create an exceptional wreck dive site. This world-class diving location offers clear water with a visibility of up to 14 meters. With a maximum depth of 26 meters, the HMAS Swan stands as a magnificent site for both beginner and advanced divers to explore.
Located near the city of Dunsborough in the City of Busselton, Western Australia, this Australian dive site is teeming with an abundance of marine life. Fish of all kinds and various marine animals have claimed the wreck as their home. Immerse yourself in the underwater world and witness the captivating beauty of this spectacular dive site.
For an unforgettable diving experience, venture into the depths of Geographe Bay and discover the allure of the sunken HMAS Swan.
Located near the city of Dunsborough in the City of Busselton, Western Australia, this Australian dive site is teeming with an abundance of marine life. Fish of all kinds and various marine animals have claimed the wreck as their home. Immerse yourself in the underwater world and witness the captivating beauty of this spectacular dive site.
For an unforgettable diving experience, venture into the depths of Geographe Bay and discover the allure of the sunken HMAS Swan.
Diving Conditions Score for HMAS Swan (Wreck)
5.1
AverageAverage conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for HMAS Swan (Wreck)
Depth
26m
Visibility
14m
Experience Level
beginner
advanced
Weather Conditions for HMAS Swan (Wreck)
Wave Height
1.1m
Wind Speed
6.8 m/s
Water Temp
18.6°C
Visibility
10.8km
Cloud Cover
55%
Wave Period
9.5s
Air Temperature
10.4°C
Precipitation
0.1 mm
Detailed 7-Day Diving Forecast for HMAS Swan (Wreck)
Alpha
Dive Score Chart for HMAS Swan (Wreck)
Best time to dive: 16:00 with score 7.4071287128712875/10. Water conditions: Waves 1.08m, Wind 3.5 m/s.Best night dive time: 18:00 with score 6.801363862928349/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at HMAS Swan (Wreck): 06:00
Sunset at HMAS Swan (Wreck): 18:00
Optimal diving conditions at HMAS Swan (Wreck) 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
16:00Score: 7.4/10
Waves: 1.08m (10.1s), Wind: 3.5 m/s
Safest Overall
17:00Score: 7.4/10
Waves: 1.06m (10.4s), Wind: 3.1 m/s
Best Night
18:00Score: 6.8/10
Waves: 1.06m, Wind: 3.9 m/s
Seasonal Analysis for HMAS Swan (Wreck)Alpha
Historical patterns and best seasons for diving at HMAS Swan (Wreck)
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 HMAS Swan (Wreck)
Summer
Avg. Score: 8.4/10
Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.
Best Months for HMAS Swan (Wreck)
July
Score: 8.5
June
Score: 8.4
August
Score: 8.4
Ideal Conditions for HMAS Swan (Wreck)
Water Temp
19.6°C / 67.3°F
February
Visibility
12.0m / 39.4ft
May
Wave Height
2.0m / 6.6ft
January
Wave Period
8.0s
January
Seasonal Insights for HMAS Swan (Wreck)
HMAS Swan (Wreck) follows southern hemisphere patterns with February being the warmest month (19.6°C) and October the coldest (11.3°C). The calmest conditions typically occur in January with average wave heights of 2.0m 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). January 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 17, 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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