Poor Knights Islands, New Zealand
    Poor Knights Islands

    Ann's Rock / Astrid's Wall

    Best months: Jan–Apr

    Protected Area

    Poor Knights Islands

    Why dive here

    With 79+ marine species recorded in the area - including blue sharks, dolphins, hammerhead sharks, humpback whales and orcas - Ann's Rock / Astrid's Wall offers some of Poor Knights Islands's richest wall diving. Water ranges 15-22°C, warmest January, February, March.

    Best timeJan–Apr
    WetsuitA 5mm wetsuit
    Marine lifeBlue Sharks, Dolphins, Hammerhead Sharks, Humpback Whales and Orcas · 79+ species recorded
    Water15-22°C · warmest January, February, March
    CharacterWall dive
    StandoutRich in charismatic marine life

    Ann's Rock and Astrid's Wall is one of those sites that just feels right, a classic Poor Knights drift that can really deliver. We usually drop on the outside of Ann's Rock, letting the current carry us along the vibrant wall itself. The sheer density of schooling fish here is what we love – think thousands of demoiselles and swarms of snapper, often so thick you have to fin through them. Keep an eye out for the big pelagics too. We’ve seen striped marlin cruise by in the blue, and bronze whalers are a fairly regular sight. The wall itself is a tapestry of colourful sponges and anemones, with plenty of nooks and crannies to peer into for green wrasse and the occasional crayfish. Our favourite part has to be the feeling of that gentle push of current, gliding effortlessly past the scenery, with the knowledge that anything could swim out of the blue. This site is perfect for divers who appreciate a good drift and want to experience the sheer abundance of Poor Knights marine life.

    Today05:4518:3212h 47m daylightGolden hour 17:58

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    Conditions

    Ocean conditions, forecast and tides for Ann's Rock / Astrid's Wall

    Ann's Rock / Astrid's Wall Ocean Conditions

    Monthly averages for Ann's Rock / Astrid's Wall, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-35.84, 174.61) (14km away)

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    October Averages

    Sea Temperature

    16°C

    60°F · Range: 14.8–17.1°C

    Current Speed

    11.4 cm/s

    Direction: SE (142.1°)

    Chlorophyll-a

    0.388 mg/m³

    Moderate productivity

    Salinity

    35.44 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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