Flores, Indonesia
    Pulau Besar

    HONGKONG SURETY

    Best months: May–Sep

    Protected Area

    Pulau Besar

    Why dive here

    With 163+ marine species recorded in the area - including blue-spotted stingrays, blue whales, seahorses, sperm whales and whale sharks - HONGKONG SURETY offers some of Flores's richest wreck diving. Water ranges 28-31°C, warmest May, October, November.

    Best timeMay–Sep
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlue-Spotted Stingrays, Blue Whales, Seahorses, Sperm Whales and Whale Sharks · 163+ species recorded
    Water28-31°C · warmest May, October, November
    CharacterWreck dive
    StandoutExceptional marine biodiversity

    The Hongkong Surety isn't your average wreck dive. This behemoth, a 147-meter cargo vessel that ran aground on Angelica Shoal back in '77, offers an incredible sense of scale. We love how the bow juts out of the water, a stark skeletal reminder of its past, while the stern lies deeper, around 30 meters. It’s an interesting contrast. Dropping down, you’ll find the wreck itself is a thriving artificial reef. Expect to see schools of snappers and trevally circling the superstructure, often so thick they make the light shimmer. Look closely at the deck plates and cargo holds; they're covered in gorgonian fans and soft corals, with nudibranchs and flatworms tucked into every crevice. Our favourite sections are the expansive cargo holds, where you can swim through cavernous spaces now home to batfish and sweetlips, or explore the bridge area which is surprisingly intact, offering a glimpse into the ship's operational past. This site is best suited for experienced divers comfortable with deeper sections and potential currents, but even less experienced divers can enjoy the shallower parts of the wreck and the incredible marine life that has made it home.

    Safety Notes

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

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    Conditions

    Ocean conditions, forecast and tides for HONGKONG SURETY

    HONGKONG SURETY Ocean Conditions

    Monthly averages for HONGKONG SURETY, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (-8.42, 122.42) (8km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    86°F · Range: 28.4–31°C

    Air Temperature

    29°C

    85°F

    Wind Speed

    4.45 m/s

    8.7 knots

    Atmospheric Pressure

    1010 hPa

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

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