Key Hole
Discover the captivating Key Hole Dive Site, aptly named after the unique rock formation resembling a keyhole. Located in the pristine waters of New Zealand, this diving spot offers an enchanting experience for both beginner and advanced divers.
Dive into a vibrant underwater world adorned with colorful boulders and stunning walls, creating a picturesque landscape between 5 to 20 meters deep. Immerse yourself in this underwater haven as you explore the hidden treasures beneath the surface.
Be prepared to encounter mesmerizing marine life, as the site is frequently visited by graceful stingrays and elusive Moray Eels, often concealed within the lush kelp forest. Keep an eye out for the occasional sighting of the rare Golden Ribbon grouper, known to grace these waters infrequently.
With a maximum depth of 21 meters and a visibility of 15 meters, Key Hole Dive Site offers optimal conditions for divers to fully appreciate this underwater spectacle. Whether you are a seasoned diver or just beginning your underwater adventures, this site promises a memorable experience for every skill level.
Located in close proximity to the magnificent Cape Brett Track and the charming town of Rawhiti, Key Hole Dive Site is conveniently situated within the Bay of Islands-Whangaroa Community in the Far North District of Northland, New Zealand. Explore the depths of this extraordinary dive site and discover the hidden secrets it holds.
Unlock the wonders of Key Hole Dive Site and embark on an unforgettable diving expedition in New Zealand's stunning underwater realm.
Diving Conditions Score for Key Hole
Average conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Key Hole
Depth
21m
Visibility
15m
Experience Level
Weather Conditions for Key Hole
Wave Height
0.82m
Wind Speed
9.5 m/s
Water Temp
17.9°C
Visibility
46.6km
Cloud Cover
37%
Wave Period
10.65s
Air Temperature
11°C
Precipitation
0 mm
Dive Score Chart for Key Hole
Best time to dive: 7:00 with score 7.708023688663283/10. Water conditions: Waves 0.72m, Wind 7.4 m/s.Best night dive time: 0:00 with score 7.11572356902357/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Key Hole 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.
Score: 7.7/10
Waves: 0.72m (9.85s), Wind: 7.4 m/s
Score: 7.1/10
Waves: 0.64m, Wind: 13.8 m/s
Seasonal Analysis for Key HoleAlpha
Historical patterns and best seasons for diving at Key Hole
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 Key Hole
Summer
Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.
Best Months for Key Hole
Ideal Conditions for Key Hole
Water Temp
18.3°C / 64.9°F
February
Visibility
12.8m / 42.0ft
December
Wave Height
1.4m / 4.6ft
December
Wave Period
8.0s
January
Seasonal Insights for Key Hole
Key Hole follows southern hemisphere patterns with February being the warmest month (18.3°C) and September the coldest (12.0°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.
Last updated: 12 min. ago - Jun 18, 2026