Komodo, Indonesia
    Komodo

    Batu Bolong

    Best months: Jan–Dec

    Protected Area

    Komodo

    Why dive here

    With 203+ marine species recorded in the area - including manta rays, mobula rays (devil rays), pygmy seahorses, sea turtles and sperm whales - Batu Bolong offers some of Komodo's richest diving. Water ranges 28-30°C, warmest April, November, December.

    Marine lifeManta Rays, Mobula Rays (Devil Rays), Pygmy Seahorses, Sea Turtles and Sperm Whales · 203+ species recorded
    Water28-30°C · warmest April, November, December
    StandoutExceptional marine biodiversity

    Batu Bolong, or 'Hollow Rock,' is a pinnacle that truly delivers on its reputation in Komodo. We drop in on the sheltered side, usually the south, where the rock offers a momentary break from the channels’ infamous currents. The walls are a tapestry of hard corals and sponges, surprisingly untouched, likely due to the sheer force of water that sweeps through here. What really gets us, though, is the fish: schools of fusiliers and snapper form shimmering curtains, and often we’ll spot reef sharks cruising the blue. It’s a lively, exhilarating dive, best suited for those comfortable with drift diving and keeping an eye on their buoyancy.

    Today06:0918:0211h 53m daylightGolden hour 17:34

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    Conditions

    Ocean conditions, forecast and tides for Batu Bolong

    Batu Bolong Ocean Conditions

    Monthly averages for Batu Bolong, sourced from Copernicus Marine satellite data

    August Averages

    Sea Temperature

    27.86°C

    82°F

    Current Speed

    6.4 cm/s

    Direction: NW (308.7°)

    Chlorophyll-a

    0.174 mg/m³

    Clear water

    Salinity

    33.46 PSU

    Data sources: Copernicus Marine Service (EU)

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