Poor Knights Islands, New Zealand
    Poor Knights Islands

    Trevor’s Rocks

    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 - Trevor’s Rocks offers some of Poor Knights Islands's richest reef 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
    CharacterReef dive
    StandoutRich in charismatic marine life

    Trevor's Rocks feels like a secret garden, a series of three pinnacles rising from a relatively shallow sandy bottom. We love the way the light plays here, filtering through the water and illuminating the schools of blue mao mao and demoiselles that pack El Torito arch. You'll often spot rig cruising the sand patches, and we've had some memorable encounters with those big black stingrays gliding past. It's a fantastic spot for newer divers, with a maximum depth of 17m, giving plenty of time to explore, but there's enough happening on the pinnacles to keep experienced eyes busy too. Keep an eye out for the green turtle; they’re often hanging around.

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

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    Conditions

    Ocean conditions, forecast and tides for Trevor’s Rocks

    Trevor’s Rocks Ocean Conditions

    Monthly averages for Trevor’s Rocks, 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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