15-40m
    Fiordland, New Zealand
    Piopiotahi

    Sinbad Gully

    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 - Sinbad Gully 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 · max 15-40m
    StandoutRich in charismatic marine life

    Sinbad Gully, tucked deep in Fiordland, feels less like a dive site and more like stepping into a cold-water cathedral. That thick freshwater layer up top, sometimes a couple of metres deep, makes for some truly bizarre light effects as you drop through it. It’s a bit eerie, a bit mystical, and absolutely our favourite part of a Fiordland dive. Below that, the salt water hits, and the walls are just covered. We're talking serious black coral real estate here, some trees that have been growing for centuries, mixed in with big, colourful tube anemones. Look closely, and you’ll spot those brilliant red rock lobsters tucked into every crevice, plus little schools of spotty and kelpie darting about. We’ve seen New Zealand sentinel crabs scuttling over sponges, and if you’re lucky, a seven-gill shark might cruise by, though we find the dogsharks are a more common sight. Visibility can be epic, sometimes pushing 18 metres, but it can also drop off if there’s been a lot of rain. The maximum depth is 16 metres, which makes it perfect for longer bottom times. It’s a dive for those who appreciate the quiet drama of a unique ecosystem, rather than chasing pelagics.

    Typical Sinbad Gully Dive Profile

    5m10m15mSafety Stop0m15m max~50 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

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

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today05:0418:0813h 4m daylightGolden hour 17:29

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    Conditions

    Ocean conditions, forecast and tides for Sinbad Gully

    Sinbad Gully Ocean Conditions

    Monthly averages for Sinbad Gully, 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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