Poor Knights Islands, New Zealand
    Bream Islands

    The Gut

    Best months: Jan–Apr

    Protected Area

    Bream Islands

    Why dive here

    With 79+ marine species recorded in the area - including blue sharks, dolphins, hammerhead sharks, humpback whales and orcas - The Gut offers some of Poor Knights Islands's richest cave 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
    CharacterCave dive
    StandoutRich in charismatic marine life

    The Gut feels like a secret passage. You ease into this narrow channel, often having to time your entry just right if there’s any swell. We love how the light plays on the colourful wall to your right as you move deeper, past the initial shallow rocks. It’s only about 7m here, but the rock formations are impressive, covered in sponges and anemones. Our pick for a perfect drift on a calm day. It’s an intimate dive, not about grand vistas but about the smaller, often overlooked creatures. Look for the Big-belly seahorse clinging to kelp fronds, or the flash of a Southern reef squid. You’ll often spot juvenile crayfish tucked into crevices. The Gut opens up onto a sandy area at about 5m, scattered with smaller reef sections – a good spot to scan for Southern Eagle Rays gliding past. Visibility averages around 7m, which is decent for a channel dive, making it feel even more like a hidden world. This dive suits macro enthusiasts and anyone looking for a relaxed, sheltered exploration, especially when the main outer sites are too exposed.

    Safety Notes

    Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.

    Today05:4618:3312h 48m daylightGolden hour 17:59

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    Conditions

    Ocean conditions, forecast and tides for The Gut

    The Gut Ocean Conditions

    Monthly averages for The Gut, 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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