Goat Island & Hauraki Gulf, New Zealand
    Rabbit Island

    Never Fail Rock - GMI

    Best months: Jan–Apr

    Protected Area

    Rabbit Island

    Why dive here

    With 72+ marine species recorded in the area - including blue sharks, dolphins, hammerhead sharks, humpback whales and seahorses - Never Fail Rock - GMI offers some of Goat Island & Hauraki Gulf's richest wall diving. Water ranges 15-21°C, warmest January, February, March.

    Best timeJan–Apr
    WetsuitA 5mm wetsuit
    Marine lifeBlue Sharks, Dolphins, Hammerhead Sharks, Humpback Whales and Seahorses · 72+ species recorded
    Water15-21°C · warmest January, February, March
    CharacterWall dive
    StandoutRich in charismatic marine life

    Never Fail Rock, in the Hauraki Gulf, lives up to its name if you’re after a thrill. We consider it a high-octane dive, definitely not for the faint-hearted or those new to current. This solitary pinnacle stands exposed, often battered by strong flows, but that’s precisely why we love it. Dropping down, the first thing you notice is the sheer volume of fish hugging the rock face. Swarms of butterfly perch and New Zealand demoiselles create a shimmering curtain. We’ve seen hefty kingfish cruise past, often joined by bronze whalers making lazy passes. Keep an eye on the sand channels at the base for Short-tail Stingrays and Smooth Skates. Visibility can be a bit of a lottery, sometimes only three metres, but on a good day, it opens right up. Our advice? Go with an experienced boat operator who knows the tides, and be ready for a drift. It’s an exhilarating dive, truly an example of Northland pin diving at its best.

    Today05:4018:2912h 49m daylightGolden hour 17:55

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    Conditions

    Ocean conditions, forecast and tides for Never Fail Rock - GMI

    Never Fail Rock - GMI Ocean Conditions

    Monthly averages for Never Fail Rock - GMI, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-36.93, 175.86) (22km away)

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    October Averages

    Sea Temperature

    16°C

    60°F · Range: 14.5–16.9°C

    Current Speed

    1.41 cm/s

    Direction: SE (135°)

    Chlorophyll-a

    0.497 mg/m³

    Moderate productivity

    Salinity

    34.91 PSU

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

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