DOUBLE ISLAND
Double Island is a captivating addition to Red Mercury, offering an array of thrilling diving experiences. This exceptional dive site boasts magnificent walls, beautiful coral pins, and enchanting small caves, catering to the preferences of a wide range of divers.
With its abundant marine life and impressive kelpie reef structure, Double Island is a haven for fish enthusiasts. Navigating the site is a breeze, and divers can fully engage with the numerous native fish species that are commonly encountered here in New Zealand.
Discover the underwater wonders of Double Island, located near Boulder Isthmus in the breathtaking Thames-Coromandel District of Waikato, New Zealand. Whether you're a beginner, advanced, or expert diver, Double Island guarantees an unforgettable diving experience.
With its abundant marine life and impressive kelpie reef structure, Double Island is a haven for fish enthusiasts. Navigating the site is a breeze, and divers can fully engage with the numerous native fish species that are commonly encountered here in New Zealand.
Discover the underwater wonders of Double Island, located near Boulder Isthmus in the breathtaking Thames-Coromandel District of Waikato, New Zealand. Whether you're a beginner, advanced, or expert diver, Double Island guarantees an unforgettable diving experience.
Diving Conditions Score for DOUBLE ISLAND
5.4
AverageAverage conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for DOUBLE ISLAND
Experience Level
beginner
advanced
expert
Weather Conditions for DOUBLE ISLAND
Wave Height
0.66m
Wind Speed
21.3 m/s
Water Temp
16.6°C
Visibility
40.14km
Cloud Cover
2%
Wave Period
10s
Air Temperature
13.4°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for DOUBLE ISLAND
Alpha
Dive Score Chart for DOUBLE ISLAND
Best time to dive: 9:00 with score 7.6485805243445695/10. Water conditions: Waves 0.62m, Wind 23.9 m/s.Best night dive time: 1:00 with score 7.151523404255319/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at DOUBLE ISLAND: 06:00
Sunset at DOUBLE ISLAND: 18:00
Optimal diving conditions at DOUBLE 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
9:00Score: 7.6/10
Waves: 0.62m (8.9s), Wind: 23.9 m/s
Best Night
1:00Score: 7.2/10
Waves: 0.5m, Wind: 17.5 m/s
Seasonal Analysis for DOUBLE ISLANDAlpha
Historical patterns and best seasons for diving at DOUBLE 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 DOUBLE ISLAND
Summer
Avg. Score: 7.9/10
Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.
Best Months for DOUBLE ISLAND
July
Score: 8.0
June
Score: 7.8
August
Score: 7.8
Ideal Conditions for DOUBLE ISLAND
Water Temp
17.6°C / 63.7°F
March
Visibility
11.9m / 39.0ft
August
Wave Height
1.8m / 5.9ft
December
Wave Period
8.0s
January
Seasonal Insights for DOUBLE ISLAND
DOUBLE ISLAND follows southern hemisphere patterns with March being the warmest month (17.6°C) and October the coldest (11.5°C). The calmest conditions typically occur in December with average wave heights of 1.8m 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 0.0mm 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.
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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