Lombok & Gili Islands, Indonesia
    KK Karangasem

    Lean

    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) - Lean offers some of Lombok & Gili Islands's richest reef 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
    CharacterReef dive
    StandoutExceptional marine biodiversity

    Lean doesn't get the same buzz as the Gili T sites, and we’re totally fine with that. It’s a bit of a trek, about 5km south of Jemeluk, but that means fewer boats and more space. You start over a sandy slope from the river mouth, easing down to about 20 meters. Here, the garden eels put on a show – thousands of them, swaying in unison, creating this incredible, hypnotic vista as far as you can see. It's a gentle start, perfect for getting dialled in, but the real magic begins when you push south. After about a hundred meters, that sand gives way to a series of vibrant walls. These drop deep, well past recreational limits, but we like to cruise the edges at 25-29m. White tip reef sharks often nap in the crevices, and you might spot a big brown marble grouper lurking in the shadows. The staghorn and table corals are genuinely impressive here, healthier than some of the more trafficked sites. It’s a relaxed dive, usually with mild currents, and we think it's one of Lombok’s best-kept secrets for just soaking it all in.

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    Conditions

    Ocean conditions, forecast and tides for Lean

    Lean Ocean Conditions

    Monthly averages for Lean, 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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