Fiordland, New Zealand
    Piopiotahi

    Greenstone Beach

    Best months: Jan–Mar

    Protected Area

    Piopiotahi

    Why dive here

    With 46+ marine species recorded in the area - including blue sharks, great white sharks, seahorses and southern right whales - Greenstone Beach offers some of Fiordland's richest reef diving. Water ranges 12-17°C, warmest January, February, March.

    Best timeJan–Mar
    WetsuitA 7mm wetsuit with a hood
    Marine lifeBlue Sharks, Great White Sharks, Seahorses and Southern Right Whales · 46+ species recorded
    Water12-17°C · warmest January, February, March
    CharacterReef dive
    StandoutRich in charismatic marine life

    We’re big fans of a site that feels genuinely remote, and Greenstone Beach absolutely delivers. Tucked away in Fiordland, it’s a proper expedition to get here, and that’s part of the appeal. The shoreline drops quickly, hitting 5 meters almost straight away, then a 45-degree slope takes you down to 20m. It’s all solid rock and big boulders, draped in thick kelp. Visibility sits around 15m, sometimes a little less, sometimes a little more, but always with that deep, emerald Fiordland hue. Our pick for what to look for here are the smaller things hiding amongst the kelp and rocks – we’ve had cracking encounters with octopus, the shy Jasons nudibranch, and plenty of marblefish peeking out. You’ll definitely spot wrasses and eels, too. We’ve been lucky enough to see small black coral colonies, which are always a treat. Keep an eye out into the gloom for school sharks or dogsharks gliding past. If you’re a diver who appreciates rugged, wild scenery and the thrill of discovery, Greenstone Beach is a true Fiordland experience. It’s not about vibrant colours, but about the raw, untamed beauty of New Zealand’s underwater world.

    Safety Notes

    Cold water this month (avg 12°C). Drysuit or thick wetsuit (7mm+) recommended.

    Today05:0518:0813h 3m daylightGolden hour 17:29

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    Conditions

    Ocean conditions, forecast and tides for Greenstone Beach

    Greenstone Beach Ocean Conditions

    Monthly averages for Greenstone Beach, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-44.66, 167.9) (28km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    12°C

    54°F · Range: 11.5–13.4°C

    Current Speed

    11.4 cm/s

    Direction: NE (37.9°)

    Chlorophyll-a

    0.27 mg/m³

    Clear water

    Salinity

    34.67 PSU

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

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