10-30m
    Komodo, Indonesia
    Komodo

    Castle Rock Komodo

    Good diving all year

    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 - Castle Rock Komodo offers some of Komodo's richest reef diving. Water ranges 28-30°C, warmest April, May, November.

    Best timeYear-round
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeManta Rays, Mobula Rays (Devil Rays), Pygmy Seahorses, Sea Turtles and Sperm Whales · 203+ species recorded
    Water28-30°C · warmest April, May, November
    CharacterReef dive · max 10-30m
    StandoutExceptional marine biodiversity

    Castle Rock, for us, is one of Komodo’s essential dives. You’re dropping into open water here, so be ready for that initial blue. We like to get down quickly and tuck ourselves into the lee of the pinnacle, out of the main push. From there, you just watch. The current funnels around the rock, bringing with it a consistent parade of pelagics. We’ve seen grey reef sharks patrolling the edges and, on a good day, blacktips and whitetips making quick passes through the fusilier schools that gather so thick they almost blot out the light. Giant trevallies and bluefin trevallies smash through them too. It’s a proper action dive, definitely not for the uninitiated, but if you’re comfortable with current and fancy some adrenaline, this is our pick.

    Typical Castle Rock Komodo Dive Profile

    5m10mSafety Stop0m10m max~60 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Today05:4217:5712h 15m daylightGolden hour 17:29

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    Conditions

    Ocean conditions, forecast and tides for Castle Rock Komodo

    Castle Rock Komodo Ocean Conditions

    Monthly averages for Castle Rock Komodo, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-8.39, 119.8) (79km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    85°F · Range: 28.1–30.9°C

    Current Speed

    4.24 cm/s

    Direction: NW (315°)

    Chlorophyll-a

    0.175 mg/m³

    Clear water

    Salinity

    34.03 PSU

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)

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