Orca Bay
Orca Bay is a stunning dive site located in the sheltered waters of New Zealand's Alderman Islands. With its deep wall dropping to depths of 20m+ and sloping further down to 35m+, this site offers a thrilling underwater experience for advanced and expert divers.
Divers exploring Orca Bay can expect excellent visibility, reaching up to 16m, allowing for clear views of the abundant sea life that call this bay home. Among the fascinating marine species that can be encountered here are schooling Snapper, Kingfish, Blue Maomao, Crayfish, Yellow Tail, and various bait fish. The bay is also dotted with small pinnacles, providing additional shelter for a diverse array of aquatic beings.
If you are an experienced diver seeking an exciting adventure in New Zealand's waters, Orca Bay is a must-visit location. Its close proximity to Waikato and the Alderman Islands makes it easily accessible for divers looking to explore the wonders of the underwater world. Plan your dive trip now and immerse yourself in the beauty and diversity that Orca Bay has to offer.
Divers exploring Orca Bay can expect excellent visibility, reaching up to 16m, allowing for clear views of the abundant sea life that call this bay home. Among the fascinating marine species that can be encountered here are schooling Snapper, Kingfish, Blue Maomao, Crayfish, Yellow Tail, and various bait fish. The bay is also dotted with small pinnacles, providing additional shelter for a diverse array of aquatic beings.
If you are an experienced diver seeking an exciting adventure in New Zealand's waters, Orca Bay is a must-visit location. Its close proximity to Waikato and the Alderman Islands makes it easily accessible for divers looking to explore the wonders of the underwater world. Plan your dive trip now and immerse yourself in the beauty and diversity that Orca Bay has to offer.
Diving Conditions Score for Orca Bay
4.1
Below AverageChallenging conditions, for experienced divers only.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Orca Bay
Depth
20m
Visibility
16m
Experience Level
advanced
expert
Weather Conditions for Orca Bay
Wave Height
1.02m
Wind Speed
31 m/s
Water Temp
16.9°C
Visibility
3.7km
Cloud Cover
30%
Wave Period
4.95s
Air Temperature
15.6°C
Precipitation
0.1 mm
Detailed 7-Day Diving Forecast for Orca Bay
Alpha
Dive Score Chart for Orca Bay
Best time to dive: 6:00 with score 6.3355758112094405/10. Water conditions: Waves 0.72m, Wind 18.4 m/s.Best night dive time: 2:00 with score 6.278033333333333/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Orca Bay: 06:00
Sunset at Orca Bay: 18:00
Optimal diving conditions at Orca Bay 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
6:00Score: 6.3/10
Waves: 0.72m (5.65s), Wind: 18.4 m/s
Best Night
2:00Score: 6.3/10
Waves: 0.66m, Wind: 23.7 m/s
Seasonal Analysis for Orca BayAlpha
Historical patterns and best seasons for diving at Orca Bay
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 Orca Bay
Summer
Avg. Score: 7.9/10
Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.
Best Months for Orca Bay
July
Score: 8.0
June
Score: 7.8
August
Score: 7.8
Ideal Conditions for Orca Bay
Water Temp
18.0°C / 64.4°F
March
Visibility
11.9m / 39.0ft
October
Wave Height
2.0m / 6.6ft
January
Wave Period
8.0s
January
Seasonal Insights for Orca Bay
Orca Bay follows southern hemisphere patterns with March being the warmest month (18.0°C) and October the coldest (11.9°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: 2 hr. ago - Jun 22, 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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