5-20m
    Great Barrier Reef, Australia
    Michaelmas and Upolu Cays

    Moore Reef - Labyrinth

    Best months: Feb–Mar

    Protected Area

    Michaelmas and Upolu Cays

    Why dive here

    With 154+ marine species recorded in the area - including hammerhead sharks, sea turtles, tiger sharks and napoleon wrasse - Moore Reef - Labyrinth offers some of Great Barrier Reef's richest reef diving. Water ranges 24-30°C, warmest January, February, March.

    Best timeFeb–Mar
    WetsuitNo wetsuit needed, or a rash guard
    Marine lifeHammerhead Sharks, Sea Turtles, Tiger Sharks and Napoleon Wrasse · 154+ species recorded
    Water24-30°C · warmest January, February, March
    CharacterReef dive · max 5-20m
    StandoutExceptional marine biodiversity

    Labyrinth at Moore Reef is one of those sites we always try to hit when we’re out that way. It’s a proper coral maze, winding through bommies and channels, hence the name. You feel like you’re constantly discovering something new around each corner. We love the way the light filters down through the gaps in the coral, catching the schools of Ternate Chromis that dart about. Keep an eye out for the Geographic Wrasse, they’re usually cruising the edges of the bommies, and we’ve spotted Longnose Butterflyfish poking into the crevices. The real joy here is the slow drift through the coral structures. It’s not about grand pelagics, though a reef shark might cruise past the deeper sections. This site is for the macro enthusiasts and those who appreciate intricate reef topography. We've found the best time is late morning, after the initial rush, when the sun is high and illuminates the channels nicely. Just take your time, peek into every nook, and you’ll find everything from Snakehead Cowries clinging to the coral to tiny Eye-lash Harptail-Blennies eyeing you from their perches. It's a relaxed dive, perfect for photographers or anyone who wants to just soak in the detail of the reef.

    Typical Moore Reef - Labyrinth Dive Profile

    5mSafety Stop0m5m max~60 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

    Strong currents typical this month (avg 30 cm/s). Good buoyancy control essential.

    Today05:5118:1512h 24m daylightGolden hour 17:46

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    Conditions

    Ocean conditions, forecast and tides for Moore Reef - Labyrinth

    Moore Reef - Labyrinth Ocean Conditions

    Monthly averages for Moore Reef - Labyrinth, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-15.65, 145.72) (5km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    26°C

    80°F · Range: 24.5–29°C

    Current Speed

    30.07 cm/s

    Direction: S (183.8°)

    Chlorophyll-a

    0.057 mg/m³

    Very clear (oligotrophic)

    Salinity

    35.08 PSU

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

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