Rarotonga, Cook Islands

    Avana Passage

    Best months: Jan–May

    Why dive here

    With 134+ marine species recorded in the area - including humpback whales and pufferfish - Avana Passage offers some of Rarotonga's richest drift diving. Water ranges 24-28°C, warmest February, March, April.

    Best timeJan–May
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeHumpback Whales and Pufferfish · 134+ species recorded
    Water24-28°C · warmest February, March, April
    CharacterDrift dive

    Avana Passage on Rarotonga’s east coast is one of our favourite easy dives. We love the feeling of drifting through the mouth of Ngatangiia Harbour, like exploring a sunken pathway. It’s mostly sand underfoot, but keep an eye out for Desjardin's Sailfin Tangs darting around the rocky edges. The highlight for us is always the rock formations just outside the passage; they really do feel like ancient ruins, carved by the ocean over millennia. We’ve spotted plenty of morays tucked into crevices here, and if you’re lucky, a Humphead wrasse might cruise past. For those who prefer a relaxed dive with consistent visibility, Avana Passage is a solid choice. You can drift gently in with the incoming tide, spotting butterflyfish and various wrasse species in the calmer waters. It’s a shallower dive, maxing out around 17 metres, making it perfect for a long bottom time and a gentle introduction to Rarotonga’s reef life.

    Safety Notes

    Drift dive - carry a surface marker buoy (SMB) and stay with your group. Brief the current direction before entry.

    Today05:1217:4112h 28m daylightGolden hour 17:11

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    Conditions

    Ocean conditions, forecast and tides for Avana Passage

    Avana Passage Ocean Conditions

    Monthly averages for Avana Passage, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-21.2, -159.82) (1km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    24°C

    76°F · Range: 23.3–26°C

    Air Temperature

    22°C

    72°F

    Wind Speed

    9.54 m/s

    18.5 knots

    Atmospheric Pressure

    1016.5 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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