Reotahi Bay
Please exercise caution while diving in the bay, as this site is also a local launch site for trailer boats. Optimal timing is crucial as you go deeper and encounter the gentle sway of the current. Venturing too far out may expose you to stronger currents and increased boat traffic. Although this dive offers an enjoyable day experience, it truly comes alive during night dives, particularly opposite the oil refinery. Mysterious squid and octopus often roam around the boulders, illuminated by your dive lights, creating a mesmerizing spectacle. Divers may even encounter piper fish curiously darting into your path, bouncing off gently as they explore their surroundings.
Prepare for a memorable underwater adventure with 4m visibility, ideal for capturing stunning dive footage. Whether you're an aspiring diver or an experienced enthusiast, this dive site at Whangarei Heads promises a captivating experience like no other.
Diving Conditions Score for Reotahi Bay
Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.
Dive Site Overview for Reotahi Bay
Depth
8m
Visibility
4m
Experience Level
Weather Conditions for Reotahi Bay
Wave Height
0.32m
Wind Speed
6.5 m/s
Water Temp
16.7°C
Visibility
47.64km
Cloud Cover
0%
Wave Period
9.45s
Air Temperature
7.3°C
Precipitation
0 mm
Dive Score Chart for Reotahi Bay
Best time to dive: 8:00 with score 8.751666666666667/10. Water conditions: Waves 0.3m, Wind 0 m/s.Best night dive time: 5:00 with score 7.860472067039106/10.
Chart showing hourly dive conditions including wave height, wind speed, water temperature, and visibility throughout the day.
Optimal diving conditions at Reotahi Bay 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: 8.8/10
Waves: 0.3m (9.6s), Wind: 0 m/s
Score: 7.9/10
Waves: 0.32m, Wind: 4.7 m/s
Seasonal Analysis for Reotahi BayAlpha
Historical patterns and best seasons for diving at Reotahi Bay
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 Reotahi Bay
Summer
Summer offers the warmest water temperatures and generally favorable conditions for all levels of divers.
Best Months for Reotahi Bay
Ideal Conditions for Reotahi Bay
Water Temp
23.6°C / 74.5°F
June
Visibility
20.1m / 65.9ft
October
Wave Height
0.2m / 0.7ft
January
Wave Period
8.0s
January
Seasonal Insights for Reotahi Bay
Reotahi Bay follows southern hemisphere patterns with June being the warmest month (23.6°C) and December the coldest (19.6°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.
Last updated: 1 min. ago - Jun 19, 2026