Goat Island & Hauraki Gulf, New Zealand
    Rabbit Island

    HUMBUG BAY

    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 - HUMBUG BAY offers some of Goat Island & Hauraki Gulf's richest muck 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
    CharacterMuck dive
    StandoutRich in charismatic marine life

    Humbug Bay. We love this spot, especially when the main Goat Island crowds are doing their thing elsewhere. It’s got a bit of everything, which makes it one of our favourite all-rounders. Drop in around the boulder fields, near those rocky outcrops, and you're quickly among schools of snapper and demoiselles darting through the kelp. The real draw for us, though, are the caves towards Devil’s Point. They’re not deep, maybe just a few metres in, but they're big enough to poke your head into and see what’s lurking in the shadows – often a rig or a sleepy stingray. Further east, you’ll find a tiered reef, dropping in three distinct steps down to 14 metres. Visibility averages seven metres, so it’s not always a wide-angle dream, but it's usually good enough to appreciate the intricate rock formations and the smaller critters like mottled triplefins and blennies tucked into crevices. The bottom here has a light dusting of silt, so good buoyancy helps keep things clear. It’s a site that rewards slow exploration rather than grand vistas, perfect for a relaxed dive spotting the local residents.

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

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    Conditions

    Ocean conditions, forecast and tides for HUMBUG BAY

    HUMBUG BAY Ocean Conditions

    Monthly averages for HUMBUG BAY, 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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