Sydney & New South Wales, Australia
    Moon Island

    Swansea Bridge

    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 - Swansea Bridge offers some of Sydney & New South Wales's richest 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
    StandoutExceptional marine biodiversity

    Swansea Bridge, now there’s a spot. We love a good muck dive, and this one delivers in spades, right in the heart of NSW. Forget your pristine coral reefs, this is about the weird and wonderful hiding among the pylons and discarded tires. It’s a shallow dive, usually no more than 6-8 metres, making it perfect for an extended rummage. You’ll want to time this right – slack tide is your friend here, otherwise, the current absolutely rips. We prefer a night dive; the place really comes alive after dark. We’ve spent hours just hovering, spotting everything from the usual bream and perch to some really surprising finds. Look closely and you’ll find nudibranchs, tiny crabs, and sometimes even seahorses clinging to the growth. It’s a macro photographer’s dream, honestly. The visibility can be hit or miss, typical estuary stuff, but when it’s good, it’s surprisingly clear, revealing a silty, debris-strewn bottom that's far more interesting than it sounds. Expect to see lots of schooling fish, particularly those silver bream darting between the bridge supports, and if you’re lucky, a triggerfish or two patrolling the deeper edges.

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

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    Conditions

    Ocean conditions, forecast and tides for Swansea Bridge

    Swansea Bridge Ocean Conditions

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

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    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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