DivePlnr
    Lark Reef dive site
    reef
    5-20m
    Great Barrier Reef, Australia
    Annan River

    Lark Reef

    Best months: Feb–Mar

    Protected Area

    Annan River

    Why dive here

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

    Lark Reef, out on the Great Barrier Reef, offers a solid day’s diving. We’ve found the coral formations here are well-established, providing plenty of nooks for reef sharks and schooling snapper. It's a good pick for divers looking for a reliable outer reef experience without the crowds you sometimes find closer to shore.

    Typical Lark Reef 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.

    Today05:5418:1612h 22m daylightGolden hour 17:48

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    Conditions

    Ocean conditions, forecast and tides for Lark Reef

    Lark Reef Ocean Conditions

    Monthly averages for Lark Reef, 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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