Eastern Arch
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
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
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
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.
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.
Score: 6.9/10
Waves: 0.9m (8.3s), Wind: 22.9 m/s
Score: 6.7/10
Waves: 0.74m, Wind: 23.2 m/s
Seasonal Analysis for Eastern ArchAlpha
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
Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.
Best Months for Eastern Arch
Ideal Conditions for Eastern Arch
Water Temp
18.7°C / 65.7°F
March
Visibility
12.0m / 39.4ft
May
Wave Height
1.8m / 5.9ft
December
Wave Period
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.
Last updated: 1 min. ago - Jun 18, 2026