Flat Rock
Flat Rock in New Zealand is renowned for its abundance of large fish, deep canyons, and unpredictable currents. The bouldery reef features expansive swim-throughs that teem with vibrant marine life. This exhilarating dive site offers a thrilling experience, although divers should be prepared for unexpected changes in the current.
When exploring Flat Rock, divers can anticipate sightings of impressive schools of Kingfish, Snapper, Kahawai, as well as smaller species like Blue Maomao, Wrasse, and various reef fish.
With a visibility of 13 meters and a maximum depth of 16 meters, this dive site is recommended for advanced and expert divers. Flat Rock is located in Rodney, Auckland, New Zealand.
When exploring Flat Rock, divers can anticipate sightings of impressive schools of Kingfish, Snapper, Kahawai, as well as smaller species like Blue Maomao, Wrasse, and various reef fish.
With a visibility of 13 meters and a maximum depth of 16 meters, this dive site is recommended for advanced and expert divers. Flat Rock is located in Rodney, Auckland, New Zealand.
Diving Conditions Score for Flat Rock
5
AverageAverage conditions, be alert.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Flat Rock
Depth
16m
Visibility
13m
Experience Level
advanced
expert
Weather Conditions for Flat Rock
Wave Height
0.8m
Wind Speed
25.9 m/s
Water Temp
15.6°C
Visibility
43.92km
Cloud Cover
10%
Wave Period
5.35s
Air Temperature
14.1°C
Precipitation
0 mm
Detailed 7-Day Diving Forecast for Flat Rock
Alpha
Dive Score Chart for Flat Rock
Best time to dive: 13:00 with score 7.0511125356125355/10. Water conditions: Waves 0.7m, Wind 20.6 m/s.Best night dive time: 19:00 with score 6.418087087087087/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Sunrise at Flat Rock: 06:00
Sunset at Flat Rock: 18:00
Optimal diving conditions at Flat Rock 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
13:00Score: 7.1/10
Waves: 0.7m (5.85s), Wind: 20.6 m/s
Best Night
19:00Score: 6.4/10
Waves: 0.76m, Wind: 24.9 m/s
Seasonal Analysis for Flat RockAlpha
Historical patterns and best seasons for diving at Flat Rock
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 Flat Rock
Summer
Avg. Score: 7.9/10
Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.
Best Months for Flat Rock
July
Score: 8.0
June
Score: 7.8
August
Score: 7.8
Ideal Conditions for Flat Rock
Water Temp
18.5°C / 65.3°F
February
Visibility
11.7m / 38.4ft
May
Wave Height
1.9m / 6.2ft
December
Wave Period
8.0s
January
Seasonal Insights for Flat Rock
Flat Rock follows southern hemisphere patterns with February being the warmest month (18.5°C) and October the coldest (12.3°C). The calmest conditions typically occur in December with average wave heights of 1.9m 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 30, 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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