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Black Rocks Lagoon

Welcome to this exceptional dive site in New Zealand's beautiful Waikato region. This underwater wonderland is perfect for divers of all skill levels. Dive into the crystal-clear waters of the enchanting lagoon and explore the abundance of vibrant fish and stunning kelp that adorn its edges. As you venture further, you'll encounter the impressive outer reef system with its impressive rock formations and inviting gullies to navigate through. However, please note that this deeper dive is susceptible to wind, swell, and currents.

Despite the remarkable marine life you'll encounter at this site, it is worth mentioning that the middle of the lagoon is experiencing a slight decline in kina population. Nonetheless, there is still plenty to explore and marvel at.

Are you ready for an unforgettable diving adventure? With a maximum depth of 13m and visibility reaching up to 6m, this dive site offers an ideal experience for beginner, advanced, and expert divers alike. So don your gear and immerse yourself in the captivating underwater world of this New Zealand dive site.

Diving Conditions Score for Black Rocks Lagoon

5.4
Average

Average conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Black Rocks Lagoon

Depth

13m

Visibility

6m

Experience Level

beginner
advanced
expert

Weather Conditions for Black Rocks Lagoon

Wave Height

0.44m

Wind Speed

14.2 m/s

Water Temp

17°C

Visibility

48.28km

Cloud Cover

13%

Wave Period

8.9s

Air Temperature

14.1°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Black Rocks Lagoon
Alpha

Dive Score Chart for Black Rocks Lagoon

Best time to dive: 15:00 with score 7.8481737864077665/10. Water conditions: Waves 0.56m, Wind 8.6 m/s.Best night dive time: 18:00 with score 7.414186413902053/10.

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

Sunrise at Black Rocks Lagoon: 06:00
Sunset at Black Rocks Lagoon: 18:00

Optimal diving conditions at Black Rocks Lagoon 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
15:00

Score: 7.8/10
Waves: 0.56m (10.3s), Wind: 8.6 m/s

🌙
Best Night
18:00

Score: 7.4/10
Waves: 0.6m, Wind: 8.2 m/s

Seasonal Analysis for Black Rocks Lagoon
Alpha

Historical patterns and best seasons for diving at Black Rocks Lagoon

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 Black Rocks Lagoon

Summer

Avg. Score: 7.9/10

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

Best Months for Black Rocks Lagoon

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

Ideal Conditions for Black Rocks Lagoon

Water Temp

Thermometer Emoji

17.9°C / 64.2°F

February

Visibility

Telescope Emoji

12.3m / 40.4ft

January

Wave Height

Wave Emoji

1.6m / 5.2ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Black Rocks Lagoon

Black Rocks Lagoon follows southern hemisphere patterns with February being the warmest month (17.9°C) and September the coldest (11.7°C). The calmest conditions typically occur in January with average wave heights of 1.6m 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 0.1mm 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 18, 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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