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Whangamumu Reef

Discover an incredible dive site in Northland, New Zealand, where the underwater world unfolds in breathtaking beauty. The shallow reef, situated at a depth of 10m, gradually descends to 30m, unveiling an enchanting landscape adorned with kelp-covered boulders. Delve into the mesmerizing depths and explore a multitude of small caves nestled in the shallows.

Prepare for an awe-inspiring adventure as you immerse yourself in this fisherman's paradise. Marvel at the vibrant schools of Two-spot Demoiselle, Maomao, and Sweep that gracefully navigate the waters, creating a captivating display of color and movement. Venture deeper and discover hidden treasures beneath the boulders, from majestic Red and Packhorse Crayfish to elusive Moray Eels.

Whether you are a beginner or an advanced diver, this remarkable site offers an unforgettable experience for all skill levels. With a maximum depth of 15m and optimal visibility, you'll have the perfect conditions to appreciate the wonders that lie beneath the surface. Embark on this extraordinary journey and uncover the secrets of this fish-rich reef, nestled in the coastal wonderland of Northland, New Zealand.

Diving Conditions Score for Whangamumu Reef

5
Average

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

Dive Site Overview for Whangamumu Reef

Depth

15m

Experience Level

beginner
advanced

Weather Conditions for Whangamumu Reef

Wave Height

0.74m

Wind Speed

17.2 m/s

Water Temp

17.9°C

Visibility

46.52km

Cloud Cover

26%

Wave Period

9.3s

Air Temperature

15.7°C

Precipitation

0 mm

Detailed 7-Day Diving Forecast for Whangamumu Reef
Alpha

Dive Score Chart for Whangamumu Reef

Best time to dive: 10:00 with score 7.343963492063492/10. Water conditions: Waves 0.8m, Wind 8 m/s.Best night dive time: 0:00 with score 6.974388944723619/10.

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

Sunrise at Whangamumu Reef: 06:00
Sunset at Whangamumu Reef: 18:00

Optimal diving conditions at Whangamumu Reef 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
10:00

Score: 7.3/10
Waves: 0.8m (10.5s), Wind: 8 m/s

🌙
Best Night
0:00

Score: 7.0/10
Waves: 0.66m, Wind: 16.1 m/s

Seasonal Analysis for Whangamumu Reef
Alpha

Historical patterns and best seasons for diving at Whangamumu Reef

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 Whangamumu Reef

Summer

Avg. Score: 7.9/10

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

Best Months for Whangamumu Reef

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

Ideal Conditions for Whangamumu Reef

Water Temp

Thermometer Emoji

18.7°C / 65.7°F

February

Visibility

Telescope Emoji

12.8m / 42.0ft

December

Wave Height

Wave Emoji

1.4m / 4.6ft

December

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Whangamumu Reef

Whangamumu Reef follows southern hemisphere patterns with February being the warmest month (18.7°C) and September the coldest (12.4°C). The calmest conditions typically occur in December with average wave heights of 1.4m 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). January is usually the driest month with 0.2mm 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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