8m
    Beginner
    Similan Islands, Thailand
    Khao Lak - Lam Ru

    Khao Na Yak

    Best months: Jan–May

    Protected Area

    Khao Lak - Lam Ru

    Why dive here

    With 173+ marine species recorded in the area - including blacktip reef sharks, eagle rays, giant moray eels, whale sharks and clownfish - Khao Na Yak offers some of Similan Islands's richest reef diving. Water ranges 29-31°C, warmest April, May, June.

    Best timeJan–May
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBlacktip Reef Sharks, Eagle Rays, Giant Moray Eels, Whale Sharks and Clownfish · 173+ species recorded
    Water29-31°C · warmest April, May, June
    CharacterReef dive · max 8m
    StandoutExceptional marine biodiversity

    Khao Na Yak is a shallow, sheltered bay on the Similans' east side, perfect for newer divers or those looking for an easy second dive. The maximum depth is just 8m, a gentle slope of sand and scattered coral bommies. We often spot pipefish, cuttlefish, and small reef sharks here, tucked away in the nooks. It’s a relaxed spot, great for practicing buoyancy or just enjoying a calm swim.

    Typical Khao Na Yak Dive Profile

    5m10mSafety Stop0m8m 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.

    Today06:1518:1411h 58m daylightGolden hour 17:46

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    Conditions

    Ocean conditions, forecast and tides for Khao Na Yak

    Khao Na Yak Ocean Conditions

    Monthly averages for Khao Na Yak, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (8.1, 98.3) (6km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    30°C

    85°F · Range: 28.7–30.4°C

    Current Speed

    5.1 cm/s

    Direction: S (191.3°)

    Salinity

    29.75 PSU

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

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