10-25m
    Rock Islands, Palau
    Ngerumekaol Spawning Area

    Siaes Corner

    Best months: Nov–Mar

    Protected Area

    Ngerumekaol Spawning Area

    Why dive here

    With 182+ marine species recorded in the area - including barracuda, lionfish, mandarin fish, napoleon wrasse and nautiluses - Siaes Corner offers some of Rock Islands's richest reef 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
    CharacterReef dive · max 10-25m
    StandoutExceptional marine biodiversity

    Siaes Corner isn't always the first site people mention in Palau, but we think it’s consistently one of the best for pelagic action. You'll drop in and drift along the wall, eyes peeled for whatever the currents decide to bring past. We’ve seen enormous schools of barracuda here, spinning into shimmering tornadoes, and often a grey reef shark or two patrolling the deeper blue. What makes Siaes Corner special is that feeling of being on the edge of something vast. The wall itself has some lovely corals, with plenty of Black-back Butterflyfish flitting about and Scarlet Wrasse zipping over the reef, but it’s the open water that truly delivers. Keep an eye out for the resident Bumphead Parrotfish munching on the coral, especially early in the dive before they move off. We’d suggest going in the morning; the light is better, and the currents seem to bring more activity then. This isn't a site for lingering over macro, it's about the bigger picture. Come here ready for a dynamic drift, and you’ll likely leave with some fantastic memories.

    Typical Siaes Corner 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.

    Today05:5117:5112h 0m daylightGolden hour 17:23

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    Conditions

    Ocean conditions, forecast and tides for Siaes Corner

    Siaes Corner Ocean Conditions

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

    ExcellentGreatGoodFairPoor★Best monthsThis month

    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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