Great Barrier Reef, Australia
    Michaelmas and Upolu Cays

    Spur Reef

    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 - Spur 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
    StandoutExceptional marine biodiversity

    Spur Reef is one of those GBR sites we’ve always enjoyed, a reliable favourite when the conditions are right. It’s a proper coral showcase, with huge, intricate staghorn coral formations that just beg for a slow, gentle drift. We like to drop in early, before the crowds, and let the current carry us over the impressive bommies, keeping an eye out for the flashes of yellow from the butterflyfish, particularly the limespot and lineated varieties. The real joy here is the sheer density of reef fish. You’ll be finning through schools of scaly pullers and dark-fin chromis, so thick they almost obscure the coral. Keep an eye on the sandy patches too; we’ve often spotted Kops’ tongue sole perfectly camouflaged. It’s a relaxing dive, well-suited to anyone who appreciates healthy coral and an abundance of colourful reef life, without the need for big pelagic encounters. Dive it on a calm day; the visibility really opens up those wide-angle opportunities.

    Safety Notes

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

    Today05:5218:1512h 23m daylightGolden hour 17:46

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    Conditions

    Ocean conditions, forecast and tides for Spur Reef

    Spur Reef Ocean Conditions

    Monthly averages for Spur Reef, 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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