Goat Island & Hauraki Gulf, New Zealand
    Kohatutara

    Wellington Reef

    Best months: Jan–Apr

    Protected Area

    Kohatutara

    Why dive here

    With 72+ marine species recorded in the area - including blue sharks, dolphins, hammerhead sharks, humpback whales and seahorses - Wellington Reef offers some of Goat Island & Hauraki Gulf's richest cave 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
    CharacterCave dive
    StandoutRich in charismatic marine life

    Wellington Reef often gets overlooked, but we always have a soft spot for it, especially when the conditions line up. At its shallowest, around five metres, you’re drifting over rocks dusted with purple kina and the occasional flash of a yellow-eye mullet. The reef slopes north, down to fifteen metres, and that’s where we find the most action. Visibility averages six metres, so it’s not always gin-clear, but on a good day, after a spell of calm weather, the water takes on a surprisingly rich green hue. We love seeing the black stingrays here, gliding along the sand pockets, sometimes kicking up a cloud of silt. Keep an eye out for mottled triplefins darting between crevices and the occasional spotted stargazer, just a pair of eyes peeking from the seafloor. It’s a gentle drift, unhurried, with plenty of time to really look closely. We’d suggest this one for divers who enjoy a slower pace, who like to scout for the smaller stuff, and aren’t fazed by slightly greener water. It’s a great spot for a relaxed second dive.

    Safety Notes

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

    Today05:4418:3312h 49m daylightGolden hour 17:58

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    Conditions

    Ocean conditions, forecast and tides for Wellington Reef

    Wellington Reef Ocean Conditions

    Monthly averages for Wellington Reef, 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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