Lombok & Gili Islands, Indonesia
    KK Karangasem

    Gerombong

    Best months: Jan–Feb

    Protected Area

    KK Karangasem

    Why dive here

    With 246+ marine species recorded in the area - including blue-spotted stingrays, bull sharks, grey reef sharks, manta rays and mobula rays (devil rays) - Gerombong offers some of Lombok & Gili Islands's richest diving. Water ranges 28-30°C, warmest April, May, November.

    Best timeJan–Feb
    WetsuitNo wetsuit needed, or a rash guard
    Marine lifeBlue-Spotted Stingrays, Bull Sharks, Grey Reef Sharks, Manta Rays and Mobula Rays (Devil Rays) · 246+ species recorded
    Water28-30°C · warmest April, May, November
    StandoutExceptional marine biodiversity

    Gerombong, when the conditions are right, is one of our favourites in Lombok. The entry can be a bit of a scramble over rocks, so we’d only go if the sea is flat, otherwise it’s a non-starter. But if you get in, you’ll find a site that offers a lot. We love how it’s basically two distinct reefs, separated by a gentle slope of rock, each with its own personality. The big draw for us is the small cavern. It’s not a deep penetration, more like an overhang you can peek into, but the light plays beautifully off the walls inside. Look closely for those little surprises; we’ve spotted Freckled Anglerfish tucked away there, almost invisible against the rock. Out on the reefs, the Staghorn coral is a dominant feature, forming intricate structures where you’ll see schools of Glassy Cardinalfish shimmering, and if you’re patient, the tiny Shimada’s Pygmygoby darting in and out. Deeper, we’ve come across sizeable Gorgonian fans, and seen big snappers cruising past. It’s a site that rewards a slow pace, letting you really appreciate the smaller, often overlooked creatures. We’d say it suits divers who enjoy exploring nooks and crannies and have an eye for macro life, provided they don’t mind a bit of a rock scramble to get in.

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    Conditions

    Ocean conditions, forecast and tides for Gerombong

    Gerombong Ocean Conditions

    Monthly averages for Gerombong, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-8.35, 116.05) (0km away)

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    October Averages

    Sea Temperature

    30°C

    85°F · Range: 28.3–30.9°C

    Current Speed

    29.15 cm/s

    Direction: SW (239°)

    Chlorophyll-a

    0.223 mg/m³

    Clear water

    Salinity

    33.97 PSU

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

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