5-20m
    Great Barrier Reef, Australia

    Aylen Patch

    Best months: Feb–Mar

    Why dive here

    With 154+ marine species recorded in the area - including hammerhead sharks, sea turtles, tiger sharks and napoleon wrasse - Aylen Patch 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

    Aylen Patch sits on the outer edges of the Great Barrier Reef, a spot we really enjoy for its particular brand of chaos. Forget those picture-perfect, manicured coral gardens; Aylen is a sprawling, wild mess of reef that feels wonderfully untamed. What we love here are the whitetip reef sharks. You'll often find them cruising the drop-off or even resting under ledges, indifferent to divers, which is always a treat. Keep an eye out for the flatback sea turtles, too. They’re a regular sight, sometimes just hovering, sometimes powering past, making their own path through the water. While Aylen doesn't deliver those "wall of fish" moments you get at some other sites, it's excellent for spotting individual characters: a stealthy great barracuda hanging in the blue, or a brownbanded bamboo shark tucked away in a crevice if you look closely. It's a site that rewards patience and a keen eye, perfect for divers who prefer exploring rather than just cruising along. It’s also one of our picks for a late afternoon dive; the light can be incredible then, painting the corals in deeper hues.

    Typical Aylen Patch 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.

    Today05:5918:2012h 21m daylightGolden hour 17:52

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    Conditions

    Ocean conditions, forecast and tides for Aylen Patch

    Aylen Patch Ocean Conditions

    Monthly averages for Aylen Patch, 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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