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OHINAU ISLAND

Ohinau Island, located in the Coromandel Peninsula, is a captivating destination for divers in New Zealand. Formerly an abandoned island, it now forms part of the Mercury Island group, offering exceptional dive experiences.

The waters surrounding the island boast an impressive array of marine life, providing divers with abundant opportunities to observe various fish species. However, it is essential to exercise caution when exploring the southern tip of the island, as it may encounter strong mid-water currents.

With a visibility of 9m and a maximum depth of 13m, Ohinau Island caters to divers of all skill levels, from beginners to advanced and expert divers. Its convenient proximity to Waikato, New Zealand, makes it an easily accessible diving location.

Explore the breathtaking underwater world of Ohinau Island and immerse yourself in the unparalleled beauty of New Zealand's diving scene.

Diving Conditions Score for OHINAU ISLAND

5.7
Average

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

Dive Site Overview for OHINAU ISLAND

Depth

13m

Visibility

9m

Experience Level

beginner
advanced
expert

Weather Conditions for OHINAU ISLAND

Wave Height

1.22m

Wind Speed

10 m/s

Water Temp

16.8°C

Visibility

15km

Cloud Cover

57.5%

Wave Period

5.6s

Air Temperature

20°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for OHINAU ISLAND
Alpha

Dive Score Chart for OHINAU ISLAND

Best time to dive: 6:00 with score 6.566666666666666/10. Water conditions: Waves 1.22m, Wind 10 m/s.Best night dive time: 0:00 with score 6.066666666666666/10.

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

Sunrise at OHINAU ISLAND: 06:00
Sunset at OHINAU ISLAND: 18:00

Optimal diving conditions at OHINAU 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
6:00

Score: 6.6/10
Waves: 1.22m (8s), Wind: 10 m/s

🌙
Best Night
0:00

Score: 6.1/10
Waves: 1.22m, Wind: 10 m/s

Seasonal Analysis for OHINAU ISLAND
Alpha

Historical patterns and best seasons for diving at OHINAU 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 OHINAU ISLAND

Summer

Avg. Score: 9.8/10

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

Best Months for OHINAU ISLAND

July
Score: 9.9
June
Score: 9.8
August
Score: 9.7

Ideal Conditions for OHINAU ISLAND

Water Temp

Thermometer Emoji

23.7°C / 74.7°F

June

Visibility

Telescope Emoji

20.1m / 65.9ft

October

Wave Height

Wave Emoji

0.2m / 0.7ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for OHINAU ISLAND

OHINAU ISLAND follows southern hemisphere patterns with June being the warmest month (23.7°C) and December the coldest (19.7°C). The calmest conditions typically occur in January with average wave heights of 0.2m 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.

Scoring Legend:
9-10 (Excellent)
7-8 (Good)
5-6 (Average)
3-4 (Poor)
1-2 (Dangerous)

Last updated: 1 min. 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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