10-25m
    Poor Knights Islands, New Zealand
    Poor Knights Islands

    Brady’s Corner (Shark Fin Cave)

    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 - Brady’s Corner (Shark Fin Cave) 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 · max 10-25m
    StandoutRich in charismatic marine life

    Brady's Corner, or Shark Fin Cave as we usually call it, is one of our favourites at Poor Knights. It's not about the deep, dramatic stuff here. Instead, you're looking at a truly unique cave system, shallow enough that the light still penetrates, painting the walls with shifting blues and greens. We love drifting through the main chamber, feeling the slight surge as it pushes you gently past walls thick with orange cup corals and sponges. You’ll often find snapper schooling just inside the entrance, lazily circling, and we’ve spotted big long-nosed butterflyfish picking around the edges of the reef. The real magic happens when you look up though; the "shark fin" rock formation that gives the cave its nickname is striking, especially when the sun hits it right. Keep an eye out for blue-eyed triplefins darting in and out of crevices, and if you’re lucky, a mako shark might cruise by the entrance in the deeper blue. It’s perfect for new divers or anyone who appreciates the quieter beauty of a well-lit cave dive.

    Typical Brady’s Corner (Shark Fin Cave) Dive Profile

    5m10mSafety Stop0m10m max~60 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

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

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

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    Conditions

    Ocean conditions, forecast and tides for Brady’s Corner (Shark Fin Cave)

    Brady’s Corner (Shark Fin Cave) Ocean Conditions

    Monthly averages for Brady’s Corner (Shark Fin Cave), sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-35.84, 174.61) (14km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    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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