Sydney & New South Wales, Australia
    Moon Island

    Moon Island

    Best months: Jan–Mar

    Protected Area

    Moon Island

    Why dive here

    With 199+ marine species recorded in the area - including blue sharks, bull sharks, dolphins, dugongs and great white sharks - Moon Island offers some of Sydney & New South Wales's richest reef diving. Water ranges 18-23°C, warmest January, February, March.

    Best timeJan–Mar
    WetsuitA 3mm full wetsuit
    Marine lifeBlue Sharks, Bull Sharks, Dolphins, Dugongs and Great White Sharks · 199+ species recorded
    Water18-23°C · warmest January, February, March
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Moon Island, off the coast of New South Wales, always feels like a proper adventure. We like diving it on a clear day, when the sun really lights up the swim-throughs and small caves – they're not huge, more like dramatic rock formations you can explore. The maximum depth of 19 metres means you can take your time, really look in the cracks. We’ve found some brilliant little critters here; the Spitlure Frogfish is a personal favourite, blending in perfectly, and the Australian Spiny Pipehorse can be surprisingly cooperative for a photo. Winter is when the Grey Nurse Sharks often hang around, a real draw, but even in summer, the rocky shelves are busy with schools of fusiliers and the occasional inquisitive Great Stingaree gliding past. We’ve had dives where the visibility hovered around 8 metres, which isn't huge, but it focuses your attention on the immediate surroundings, revealing nudibranchs and eels tucked away. Keep an eye on the surface too; we’ve spotted White-bellied Sea Eagles circling overhead, a nice reminder of the wild coast. This site suits divers who appreciate exploring interesting topography and finding smaller, more unusual species rather than just big pelagics.

    Today05:1918:0312h 44m daylightGolden hour 17:30

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    Conditions

    Ocean conditions, forecast and tides for Moon Island

    Moon Island Ocean Conditions

    Monthly averages for Moon Island, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-33.18, 151.63) (7km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    20°C

    67°F · Range: 18.5–20.7°C

    Air Temperature

    17°C

    63°F

    Wind Speed

    5.95 m/s

    11.6 knots

    Atmospheric Pressure

    1016.2 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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