Great Barrier Reef, Australia
    Michaelmas and Upolu Cays

    Hastings Reef - Coral Gardens

    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 - Hastings Reef - Coral Gardens 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
    StandoutExceptional marine biodiversity

    Hastings Reef’s Coral Gardens are exactly what the name suggests, a sprawling, shallow showcase of hard corals. We always head for the specific entry that drops us right onto the top of the wall, where you’re immediately enveloped by branching staghorn and intricate brain corals. It feels like swimming through an ancient, miniature forest. The true stars here, for us, are the giant clams – some of them are enormous, showing off those vibrant purples and greens. Take your time near the bommies; these are home to the Reef Restoration efforts, and it’s genuinely cool to see the coral trees taking root. You’ll spot a surprising number of spotted hawkfish perched on the coral, watching you with curious eyes, and longfin bannerfish flutter past. We always find a few harlequin tuskfish digging around, their colours really pop against the reef. Visibility here averages 13m, which is good enough to appreciate the scale of the gardens. Because it’s so shallow, maxing out at 13m, it’s a lovely, relaxed dive, perfect for photographers or anyone who just wants to soak up the sheer coral density without worrying about deep stops. Go slow, keep an eye out for pipefish tucked into the crevices, and just enjoy the sun-drenched reef.

    Safety Notes

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

    Today05:5218:1512h 23m daylightGolden hour 17:47

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    Conditions

    Ocean conditions, forecast and tides for Hastings Reef - Coral Gardens

    Hastings Reef - Coral Gardens Ocean Conditions

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

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    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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