Rarotonga, Cook Islands

    Avatiu Drop Off

    Best months: Jan–May

    Why dive here

    With 134+ marine species recorded in the area - including humpback whales and pufferfish - Avatiu Drop Off offers some of Rarotonga's richest wall 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
    CharacterWall dive
    StandoutDramatic wall topography

    Avatiu Drop Off is one of those Rarotonga sites that we always make time for. It’s right outside the harbour, which can feel a bit odd, but once you descend, you’re in a different world. The drop-off starts around 18 metres and just… goes. We like to drift along the edge, peering into the blue. The shallows are busy, full of wrasse and parrotfish picking at the coral, and you’ll often spot schools of golden rabbitfish zipping past. Keep an eye out for peppered squirrelfish tucked into crevices; they really pop against the darker rock. Our favourite part, though, is cruising the wall itself. This is where you might catch a glimpse of something bigger – we’ve had reef sharks here, and the occasional unicorn fish patrolling. Visibility averages 16m, so it’s good, not spectacular, but enough to enjoy the scale of the drop. It's a relaxed drift, suitable for most divers looking for that classic wall dive feel.

    Today05:1317:4112h 28m daylightGolden hour 17:11

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    Conditions

    Ocean conditions, forecast and tides for Avatiu Drop Off

    Avatiu Drop Off Ocean Conditions

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

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    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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