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Boulder Garden

Boulder Garden Dive Site: A Colorful Haven for Advanced Divers in New Zealand

Discover the captivating underwater world of Boulder Garden Dive Site located in New Zealand's Bay of Islands-Whangaroa Community. This exceptional dive site boasts a gradual slope that extends from the water's surface to depths exceeding 50 meters. Throughout the slope, divers will encounter an array of boulders adorned with vibrant sponges and fascinating invertebrates, creating a stunning visual spectacle.

The rich biodiversity at Boulder Garden Dive Site attracts a range of species, including the magnificent Lord Howe Coral Fish, mesmerizing Nudibranchs, and elusive Scorpionfish. From time to time, lucky divers may even catch a glimpse of a shark passing by, adding an extra thrill to the dive.

With optimal visibility of 20 meters and a maximum depth of 17 meters, this dive site offers a unique and immersive experience for advanced and expert divers. The challenging conditions make it an ideal destination for those seeking a more technical dive.

Located in proximity to prominent landmarks like Hole in the Rock, Cape Brett Track, and Rawhiti, Boulder Garden Dive Site provides divers with an incredible opportunity to explore the wonders of the underwater realm while enjoying the natural beauty of this picturesque coastal region.

Embark on an unforgettable underwater adventure at Boulder Garden Dive Site in New Zealand and unlock the remarkable secrets hidden beneath the pristine waters of the Bay of Islands-Whangaroa.

Diving Conditions Score for Boulder Garden

4.2
Below Average

Challenging conditions, for experienced divers only.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Boulder Garden

Depth

17m

Visibility

20m

Experience Level

advanced
expert

Weather Conditions for Boulder Garden

Wave Height

0.8m

Wind Speed

17.6 m/s

Water Temp

18°C

Visibility

1.48km

Cloud Cover

98%

Wave Period

6.7s

Air Temperature

15.5°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Boulder Garden
Alpha

Dive Score Chart for Boulder Garden

Best time to dive: 13:00 with score 6.966715642458101/10. Water conditions: Waves 0.68m, Wind 12.4 m/s.Best night dive time: 4:00 with score 6.2115837606837605/10.

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

Sunrise at Boulder Garden: 06:00
Sunset at Boulder Garden: 18:00

Optimal diving conditions at Boulder Garden 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: 7.0/10
Waves: 0.68m (8.95s), Wind: 12.4 m/s

🌙
Best Night
4:00

Score: 6.2/10
Waves: 0.74m, Wind: 12.7 m/s

Seasonal Analysis for Boulder Garden
Alpha

Historical patterns and best seasons for diving at Boulder Garden

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 Boulder Garden

Summer

Avg. Score: 7.9/10

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

Best Months for Boulder Garden

July
Score: 8.0
June
Score: 7.8
August
Score: 7.8

Ideal Conditions for Boulder Garden

Water Temp

Thermometer Emoji

18.7°C / 65.7°F

February

Visibility

Telescope Emoji

12.8m / 42.0ft

December

Wave Height

Wave Emoji

1.4m / 4.6ft

December

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Boulder Garden

Boulder Garden follows southern hemisphere patterns with February being the warmest month (18.7°C) and September the coldest (12.3°C). The calmest conditions typically occur in December with average wave heights of 1.4m and wave periods of 8.0s. The most comfortable wave conditions are in December 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 0.2mm of precipitation. For beginners, the best time to visit would be during December to February, 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 20, 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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