Great Barrier Reef, Australia
    Michaelmas and Upolu Cays

    Wentworth 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 - Wentworth 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

    Wentworth Reef holds a special place for us. It’s one of those spots where you just know the reef is happy, thriving. We’ve had dives here where the visibility stretched so far we felt like we were floating in an enormous blue cathedral, the sunlight filtering down through schools of fusiliers so thick they actually dappled the light on the coral below. Our favourite time to drop in is early morning. That’s when you’re most likely to catch loggerhead turtles cruising by, sometimes a whole parade of them, and we’ve often spotted Pharaoh cuttlefish flashing their incredible colour changes. Keep an eye out for the smaller stuff too; Wentworth has a surprising number of common seahorses tucked into the staghorn coral. You’ll also spot orangefin ponyfish darting in and out, and some truly impressive stony corals that give the reef a real sense of age and permanence. It’s a site that rewards slow, observant diving, perfect for those who like to take their time and truly absorb the environment.

    Safety Notes

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

    Today05:5418:1712h 23m daylightGolden hour 17:48

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    Conditions

    Ocean conditions, forecast and tides for Wentworth Reef

    Wentworth Reef Ocean Conditions

    Monthly averages for Wentworth 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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