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Flat Rock - Turtle Cave

Located on the northern side of Flat Rock, Turtle Cave is a captivating dive site in Queensland, Australia. With a maximum depth of 30m and a small cave at 10m, this site is suitable for divers of all skill levels. The surrounding reef offers a breathtaking experience, perfect for drift diving along the edges of Flat Rock. Prepare to be amazed by the abundance of large pelagic life that frequents this coastline.

During your dive at Turtle Cave, you can expect to encounter a diverse range of marine species. Keep your eyes peeled for magnificent creatures such as grey nurse sharks, eagle rays, humpback whales, whaler sharks, turtles, groupers, and barracuda. The site is also home to vibrant schools of tropical and sub-tropical fish, as well as colorful nudibranchs.

Turtle Cave boasts a visibility of approximately 15m, allowing for clear underwater exploration. With a maximum depth of 21m, this site offers a comfortable dive experience for beginners. Immerse yourself in the wonders of Australia's coastal waters as you venture into this captivating diving destination.

Diving Conditions Score for Flat Rock - Turtle Cave

6
Above Average

Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Flat Rock - Turtle Cave

Depth

21m

Visibility

15m

Experience Level

beginner

Weather Conditions for Flat Rock - Turtle Cave

Wave Height

0.88m

Wind Speed

14.9 m/s

Water Temp

21.7°C

Visibility

60.12km

Cloud Cover

0%

Wave Period

6.6s

Air Temperature

18.5°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Flat Rock - Turtle Cave
Alpha

Dive Score Chart for Flat Rock - Turtle Cave

Best time to dive: 9:00 with score 7.237794486215539/10. Water conditions: Waves 0.88m, Wind 15.8 m/s.Best night dive time: 5:00 with score 6.642116402116402/10.

Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.

Sunrise at Flat Rock - Turtle Cave : 06:00
Sunset at Flat Rock - Turtle Cave : 18:00

Optimal diving conditions at Flat Rock - Turtle Cave 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
9:00

Score: 7.2/10
Waves: 0.88m (6.65s), Wind: 15.8 m/s

🌙
Best Night
5:00

Score: 6.6/10
Waves: 0.88m, Wind: 17.1 m/s

Seasonal Analysis for Flat Rock - Turtle Cave
Alpha

Historical patterns and best seasons for diving at Flat Rock - Turtle Cave

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 Flat Rock - Turtle Cave

Summer

Avg. Score: 8.6/10

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

Best Months for Flat Rock - Turtle Cave

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

Ideal Conditions for Flat Rock - Turtle Cave

Water Temp

Thermometer Emoji

22.3°C / 72.1°F

March

Visibility

Telescope Emoji

12.0m / 39.4ft

June

Wave Height

Wave Emoji

2.4m / 7.9ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Flat Rock - Turtle Cave

Flat Rock - Turtle Cave follows southern hemisphere patterns with March being the warmest month (22.3°C) and August the coldest (17.1°C). The calmest conditions typically occur in January with average wave heights of 2.4m 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). November 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 - Jun 23, 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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