Skip to content
Go to Dive Champ home pageDive Champ LogoDive Champ

Aldermens- Bishops Hat

Discover the magnificent Bishop's Hat dive site, a haven for adventurers seeking cave exploration, scenic walls, and an abundance of captivating marine species. Positioned to receive weather patterns from the east and south east, this New Zealand dive site entices divers with its diverse attractions.

Experienced spearos are drawn to Bishop's Hat for thrilling encounters with impressive kingfish. Additionally, crayfish are commonly found throughout the site, alongside the fascinating array of native New Zealand fish species that gracefully swim in these waters.

With a remarkable visibility of 20 meters and a maximum depth of 19 meters, Bishop's Hat is an ideal destination for advanced and expert divers. Located near The Alderman Islands in the breathtaking region of Waikato, New Zealand, this captivating dive site promises unforgettable underwater adventures.

Diving Conditions Score for Aldermens- Bishops Hat

4.1
Below Average

Challenging conditions, for experienced divers only.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Aldermens- Bishops Hat

Depth

19m

Visibility

20m

Experience Level

advanced
expert

Weather Conditions for Aldermens- Bishops Hat

Wave Height

1.38m

Wind Speed

27.6 m/s

Water Temp

16.8°C

Visibility

13.46km

Cloud Cover

78%

Wave Period

5.45s

Air Temperature

15.6°C

Precipitation

0.2 mm

Detailed 7-Day Diving Forecast for Aldermens- Bishops Hat
Alpha

Dive Score Chart for Aldermens- Bishops Hat

Best time to dive: 6:00 with score 5.810533333333333/10. Water conditions: Waves 1.28m, Wind 25.9 m/s.Best night dive time: 2:00 with score 5.234033333333333/10.

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

Sunrise at Aldermens- Bishops Hat: 06:00
Sunset at Aldermens- Bishops Hat: 18:00

Optimal diving conditions at Aldermens- Bishops Hat 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: 5.8/10
Waves: 1.28m (5.5s), Wind: 25.9 m/s

🌙
Best Night
2:00

Score: 5.2/10
Waves: 1.34m, Wind: 24.2 m/s

Seasonal Analysis for Aldermens- Bishops Hat
Alpha

Historical patterns and best seasons for diving at Aldermens- Bishops Hat

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 Aldermens- Bishops Hat

Summer

Avg. Score: 7.9/10

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

Best Months for Aldermens- Bishops Hat

July
Score: 8.0
June
Score: 7.8
August
Score: 7.8

Ideal Conditions for Aldermens- Bishops Hat

Water Temp

Thermometer Emoji

17.9°C / 64.2°F

February

Visibility

Telescope Emoji

11.9m / 39.0ft

October

Wave Height

Wave Emoji

2.0m / 6.6ft

January

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Aldermens- Bishops Hat

Aldermens- Bishops Hat follows southern hemisphere patterns with February being the warmest month (17.9°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.

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

Last updated: 1 min. ago - Jun 23, 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.

39 Dive sites near Aldermens- Bishops Hat in

Find more dive sites in New Zealand

New ZealandNew Zealand

New Zealand

Got feedback?

Help us improve this dive site by giving us feedback.