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Eastern Arch

This dive site in Northland, New Zealand features a captivating arch with steep walls. The arch's western entrance offers boulders and kelpy walls at about 18m, while the eastern end showcases a vertical drop into depths of 40m+. Divers can enjoy breathtaking views of the open ocean from this vantage point.

Exploring the arch, divers will be delighted to find a thriving ecosystem of colorful invertebrates, sponges, and the occasional Nudibranchs. The walls are adorned with these enchanting creatures, creating a picturesque underwater scene.

Upon entering the archway, divers will be greeted by an eerie darkness. The archway is quite long, and as the channel deepens, very little light penetrates through. To fully appreciate the surroundings, it is recommended to bring a descent light with you.

It is important to note that the entrance to the arch on the western side may be easily missed if divers start their descent on the reef and go too deep. Caution and proper navigation are encouraged to fully experience this remarkable dive site.

With a visibility of 14m and a maximum depth of 19m, this dive site is best suited for advanced and expert level divers. Immerse yourself in the underwater wonders of this New Zealand dive site, where surprises like Mola Mola have been spotted on multiple occasions cruising past the Labrid channel side.

Diving Conditions Score for Eastern Arch

5
Average

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

Dive Site Overview for Eastern Arch

Depth

19m

Visibility

14m

Experience Level

advanced
expert

Weather Conditions for Eastern Arch

Wave Height

1.02m

Wind Speed

27 m/s

Water Temp

18.1°C

Visibility

41.02km

Cloud Cover

19%

Wave Period

8.95s

Air Temperature

14.7°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Eastern Arch
Alpha

Dive Score Chart for Eastern Arch

Best time to dive: 7:00 with score 6.926841767068273/10. Water conditions: Waves 0.9m, Wind 22.9 m/s.Best night dive time: 0:00 with score 6.729183524904214/10.

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

Sunrise at Eastern Arch: 06:00
Sunset at Eastern Arch: 18:00

Optimal diving conditions at Eastern Arch 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
7:00

Score: 6.9/10
Waves: 0.9m (8.3s), Wind: 22.9 m/s

🌙
Best Night
0:00

Score: 6.7/10
Waves: 0.74m, Wind: 23.2 m/s

Seasonal Analysis for Eastern Arch
Alpha

Historical patterns and best seasons for diving at Eastern Arch

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 Eastern Arch

Summer

Avg. Score: 7.9/10

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

Best Months for Eastern Arch

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

Ideal Conditions for Eastern Arch

Water Temp

Thermometer Emoji

18.7°C / 65.7°F

March

Visibility

Telescope Emoji

12.0m / 39.4ft

May

Wave Height

Wave Emoji

1.8m / 5.9ft

December

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Eastern Arch

Eastern Arch follows southern hemisphere patterns with March being the warmest month (18.7°C) and October the coldest (12.9°C). The calmest conditions typically occur in December with average wave heights of 1.8m 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). May 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.

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

Last updated: 1 min. ago - Jun 18, 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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