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

Avarua Passage

Starting from Edna's Anchor mooring and following the sandy reef edge towards shore, divers will discover an exceptional dive site in the stunning waters of Avarua Harbour, Cook Islands. This captivating location boasts intriguing coral formations and a thriving community of marine life, making it a paradise for divers of all levels. Scorpion fish, moray eels, and flounders are frequently spotted amidst the vibrant ecosystem. Additionally, this site serves as a breeding ground for parrotfish, offering a unique spectacle for underwater enthusiasts.

Venturing into the crystal-clear waters, divers can expect excellent visibility up to 29 meters and a maximum depth of 14 meters. Whether you are a beginner or an experienced diver, this dive site in the Cook Islands will undoubtedly provide an unforgettable underwater experience. Conveniently located near Michigan Motors, Ara Tapu, Pue, Avarua, Te-Au-O-Tonga, Rarotonga, it is easily accessible for those seeking the ultimate diving adventure.

Explore the wonders of this remarkable dive site and unlock the hidden treasures that await beneath the surface. Experience the beauty of Cook Islands' underwater world and create lasting memories in this diver's haven.

Diving Conditions Score for Avarua Passage

6.2
Above Average

Decent conditions, proceed with caution.
The score is based on a calculation of the current weather and sea conditions.

Dive Site Overview for Avarua Passage

Depth

14m

Visibility

29m

Experience Level

beginner

Weather Conditions for Avarua Passage

Wave Height

2.08m

Wind Speed

22.8 m/s

Water Temp

24.6°C

Visibility

13.06km

Cloud Cover

22%

Wave Period

12.15s

Air Temperature

24.6°C

Precipitation

0.1 mm

Detailed 7-Day Diving Forecast for Avarua Passage
Alpha

Dive Score Chart for Avarua Passage

Best time to dive: 16:00 with score 6.096933333333333/10. Water conditions: Waves 1.84m, Wind 15.9 m/s.Best night dive time: 18:00 with score 5.625133333333333/10.

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

Sunrise at Avarua Passage: 06:00
Sunset at Avarua Passage: 18:00

Optimal diving conditions at Avarua Passage 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
16:00

Score: 6.1/10
Waves: 1.84m (12.1s), Wind: 15.9 m/s

🌙
Best Night
18:00

Score: 5.6/10
Waves: 1.82m, Wind: 17.2 m/s

Seasonal Analysis for Avarua Passage
Alpha

Historical patterns and best seasons for diving at Avarua Passage

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 Avarua Passage

Summer

Avg. Score: 9.3/10

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

Best Months for Avarua Passage

June
Score: 9.5
July
Score: 9.4
May
Score: 9.2

Ideal Conditions for Avarua Passage

Water Temp

Thermometer Emoji

25.4°C / 77.7°F

May

Visibility

Telescope Emoji

11.7m / 38.4ft

July

Wave Height

Wave Emoji

2.1m / 6.9ft

March

Wave Period

Wave Emoji

8.0s

January

Seasonal Insights for Avarua Passage

Avarua Passage follows southern hemisphere patterns with May being the warmest month (25.4°C) and November the coldest (19.7°C). The calmest conditions typically occur in March with average wave heights of 2.1m and wave periods of 8.0s. The most comfortable wave conditions are in March 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). July is usually the driest month with 0.3mm of precipitation. For beginners, the best time to visit would be during March to May, 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 19, 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.

28 Dive sites near Avarua Passage in

Find more dive sites in Cook Islands

Cook IslandsCook Islands

Cook Islands

Got feedback?

Help us improve this dive site by giving us feedback.