Rock Islands, Palau
    Ngerukewid Island Wildlife Preserve

    Ngerechong Drop-off

    Best months: Nov–Mar

    Protected Area

    Ngerukewid Island Wildlife Preserve

    Why dive here

    With 182+ marine species recorded in the area - including barracuda, lionfish, mandarin fish, napoleon wrasse and nautiluses - Ngerechong Drop-off offers some of Rock Islands's richest wall diving. Water ranges 29-30°C, warmest June, October, November.

    Best timeNov–Mar
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Lionfish, Mandarin Fish, Napoleon Wrasse and Nautiluses · 182+ species recorded
    Water29-30°C · warmest June, October, November
    CharacterWall dive
    StandoutExceptional marine biodiversity

    Ngerechong Drop-off holds a special place for us in Palau. It’s got a totally different vibe from the usual Pelagic-heavy sites. Think about it: a wall dive that feels like a treasure hunt. We love dropping in here, letting the current nudge us along, and just *looking*. Not just out into the blue, but *into* the wall. Every crevice, every overhang, seems to hide something. Our favourite trick is to take it slow, really slow, on the way down. Keep an eye out for those tiny gobies – the Moorea and Emery’s Pygmygobies are always a treat, often sharing a burrow with a watchful shrimp. We’ve spent whole safety stops just watching the Spotted and Humphead Unicornfish graze, their colours popping against the darker coral. The Staghorn coral here is healthy, forming intricate structures where juvenile fish dart about. You’ll find schools of beautiful fusiliers here, not in massive, sun-blocking numbers, but enough to create a shimmering backdrop. The Sponsal Cone, if you’re lucky enough to spot one, is a reminder of the quiet hunters on the reef. It’s a dive for those who appreciate the small stuff, the hidden wonders, and a good, strong torch. It’s not about big pelagics, it’s about micro-worlds.

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    Conditions

    Ocean conditions, forecast and tides for Ngerechong Drop-off

    Ngerechong Drop-off Ocean Conditions

    Monthly averages for Ngerechong Drop-off, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (7.2, 134.3) (4km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 28.5–31.2°C

    Current Speed

    10.05 cm/s

    Direction: N (5.7°)

    Chlorophyll-a

    0.026 mg/m³

    Very clear (oligotrophic)

    Salinity

    33.62 PSU

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

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