15-30m
    Bali, Indonesia
    Bali Barat

    Underwater Cave

    Good diving all year

    Protected Area

    Bali Barat

    Why dive here

    With 515+ marine species recorded in the area - including barracuda, blue-spotted stingrays, bull sharks, giant moray eels and manta rays - Underwater Cave offers some of Bali's richest cave diving. Water ranges 29-31°C, warmest April, May, November.

    Best timeYear-round
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Blue-Spotted Stingrays, Bull Sharks, Giant Moray Eels and Manta Rays · 515+ species recorded
    Water29-31°C · warmest April, May, November
    CharacterCave dive · max 15-30m
    StandoutExceptional marine biodiversity

    The Underwater Cave on Bali’s north coast is one of those sites that always makes our "best of" list, even if it’s a bit of a trek to get to. It's not a true cave, more a deep overhang with a series of swim-throughs, but the light play inside is phenomenal. We love drifting into the main chamber, watching the shafts of sunlight pierce the surface, illuminating the redlight eviota and yellowskin dwarfgoby that often shelter in the shadowy crevices. Look carefully, and you might spot a banded sea krait slithering through the staghorn coral. Entry can be a bit choppy sometimes, but once you descend, the water usually calms down, and the visibility opens right up. Our favourite part is the feeling of entering a different world, the shift from bright reef to the muted blues inside the cave. We'd suggest going in the late morning, around 10 or 11 AM, when the sun is high enough to really put on a show. It’s a great site for photographers or anyone who appreciates dramatic underwater scenery, though beginners might find the swim-throughs a little tight.

    Typical Underwater Cave Dive Profile

    5m10m15mSafety Stop0m15m max~50 min estimated bottom time

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

    Safety Notes

    Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today06:0218:1712h 15m daylightGolden hour 17:49

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    Conditions

    Ocean conditions, forecast and tides for Underwater Cave

    Underwater Cave Ocean Conditions

    Monthly averages for Underwater Cave, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-7.5, 113.18) (20km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    86°F · Range: 28.3–31.6°C

    Current Speed

    4 cm/s

    Direction: E (90°)

    Salinity

    32.94 PSU

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

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