16m
    Beginner
    Koh Rong Archipelago, Cambodia

    Secret Reef

    Best months: Nov–Mar

    Why dive here

    Secret Reef is a reef dive in Koh Rong Archipelago, Cambodia. Water ranges 29-31°C, warmest April, May, June.

    Best timeNov–Mar
    WetsuitA 3mm shorty or thin full wetsuit
    Water29-31°C · warmest April, May, June
    CharacterReef dive · max 16m

    Secret Reef is a gentle slope, topping out at around 16m. It’s perfect for new divers or those looking for a relaxed exploration. We often find small reef fish here – angelfish, butterflyfish, and sometimes even a little cuttlefish tucked away. The site is a decent spot to shake off some rust or practice buoyancy.

    Typical Secret Reef Dive Profile

    10mSafety Stop0m16m 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

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

    Today06:0117:5611h 55m daylightGolden hour 17:28

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    Conditions

    Ocean conditions, forecast and tides for Secret Reef

    Secret Reef Ocean Conditions

    Monthly averages for Secret Reef, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (10.73, 103.23) (49km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    86°F · Range: 28.9–31.1°C

    Air Temperature

    27°C

    81°F

    Wind Speed

    5.83 m/s

    11.3 knots

    Atmospheric Pressure

    1009.3 hPa

    Based on 4 years of monitoring data · Data sources: Open-Meteo marine data

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