5-20m
    Poor Knights Islands, New Zealand
    Cape Rodney-Okakari Point

    Yellow Sponge Garden

    Best months: Jan–Apr

    Protected Area

    Cape Rodney-Okakari Point

    Why dive here

    With 79+ marine species recorded in the area - including blue sharks, dolphins, hammerhead sharks, humpback whales and orcas - Yellow Sponge Garden 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 · max 5-20m
    StandoutRich in charismatic marine life

    Yellow Sponge Garden, for us, is all about the light. With a maximum depth of just 10 metres, it’s a brilliant site for those longer, shallower dives, especially if you’re keen on photography. You drop in near the shore, then head out west, north-west, and the sponges start appearing around 8 or 9 metres. It’s a wall with some sandy patches, and those sponges are truly something else – bright yellows, oranges, and even purples clinging to the rock. We particularly love how the kelp stalks, often dusty with marine detritus, frame the vibrant sponges. It’s a real contrast. Keep an eye out for Pigfish nosing around the ledges and the little Blue Dot Triplefins flitting about. Visibility averages around 6 metres here, which isn't huge, but it focuses your attention on the intricate details of the reef. We always recommend divers here pay extra attention to buoyancy; those sponges are ancient and delicate. It’s a lovely, relaxed dive that’s perfect for seeing a different side of the Poor Knights.

    Typical Yellow Sponge Garden Dive Profile

    5mSafety Stop0m5m 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.

    Today05:4418:3312h 48m daylightGolden hour 17:58

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    Conditions

    Ocean conditions, forecast and tides for Yellow Sponge Garden

    Yellow Sponge Garden Ocean Conditions

    Monthly averages for Yellow Sponge Garden, 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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