Goat Island & Hauraki Gulf, New Zealand
    Wharekawa Harbour Wildlife Refuge

    Aldermens- Fish Factory

    Best months: Jan–May, Nov–Dec

    Protected Area

    Wharekawa Harbour Wildlife Refuge

    Why dive here

    With 72+ marine species recorded in the area - including blue sharks, dolphins, hammerhead sharks, humpback whales and seahorses - Aldermens- Fish Factory offers some of Goat Island & Hauraki Gulf's richest pinnacle diving. Water ranges 14-22°C, warmest January, February, March.

    Marine lifeBlue Sharks, Dolphins, Hammerhead Sharks, Humpback Whales and Seahorses · 72+ species recorded
    Water14-22°C · warmest January, February, March
    CharacterPinnacle dive
    StandoutRich in charismatic marine life

    The Aldermens, and the Fish Factory site in particular, are a bit of a commitment to reach from Goat Island, but we think it’s absolutely worth the boat ride. Once you’re in, it’s a site that keeps your attention. You drop onto a wall that feels like it just keeps going, then a separate pinnacle rises up from the depths, forming a playground of ledges and overhangs. This is a site for divers who appreciate the subtle details and are comfortable with a bit of depth. We love drifting along the wall, keeping an eye out for the New Zealand Draughtboard Sharks tucked into crevices. The currents here can push you along nicely, but they also bring in the bigger stuff – we’ve seen Shortfin Makos here, though you have to be lucky and quick to spot them. Our favourite part is definitely the pinnacle; the pink maomao schooling there are just beautiful, and the way the light filters through them is something special. Keep an eye on your depth here, it’s easy to get distracted and go a bit deeper than planned as you explore.

    Safety Notes

    Cold water this month (avg 14°C). Drysuit or thick wetsuit (7mm+) recommended.

    Today06:5017:4910h 59m daylightGolden hour 17:13

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    Conditions

    Ocean conditions, forecast and tides for Aldermens- Fish Factory

    Aldermens- Fish Factory Ocean Conditions

    Monthly averages for Aldermens- Fish Factory, sourced from Copernicus Marine satellite data

    August Averages

    Sea Temperature

    14.05°C

    57°F

    Current Speed

    4.24 cm/s

    Direction: SE (135°)

    Chlorophyll-a

    0.301 mg/m³

    Moderate productivity

    Salinity

    35.01 PSU

    Data sources: Copernicus Marine Service (EU)

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