Similan Islands, Thailand
    กำหนดพื้นที่เกาะราชาใหญ่ เกาะราชาน้อย ตำบลราไวย์ อำเภอเมืองภูเก็ต จังหวัดภูเก็ต

    Racha Yai Wreck

    Best months: Jan–May

    Protected Area

    กำหนดพื้นที่เกาะราชาใหญ่ เกาะราชาน้อย ตำบลราไวย์ อำเภอเมืองภูเก็ต จังหวัดภูเก็ต

    Why dive here

    With 173+ marine species recorded in the area - including blacktip reef sharks, eagle rays, giant moray eels, whale sharks and clownfish - Racha Yai Wreck offers some of Similan Islands's richest wreck 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
    CharacterWreck dive
    StandoutExceptional marine biodiversity

    Okay, let's set the record straight on the Racha Yai Wreck. Forget what some of the older guides say; this isn’t a deep, dramatic tomb of a ship. It's a series of purposefully sunk vessels, mostly fishing trawlers and patrol boats, resting on a sandy bottom. We actually really like it as a multi-level dive, especially for those looking to get comfortable with wreck penetration without the serious overhead. You’ll find the main attraction, a sizable passenger ferry, sitting upright. The upper deck is around 18 metres, and it slopes down to about 25 metres at the stern. Our favourite part? The wheelhouse. You can easily swim through, watching the sunlight dapple through the portholes, sometimes catching a resident giant moray peeking out from a dark corner. Schools of yellow-lined snappers practically form curtains around the masts, and we often spot lionfish perched dramatically on the railings. It’s not a site for massive pelagics, but for critters and exploring the nooks and crannies of a colonised wreck, it’s a solid choice. Go early in the morning before the day-trippers arrive for a more serene experience.

    Safety Notes

    Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.

    Today06:1418:1411h 59m daylightGolden hour 17:46

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    Conditions

    Ocean conditions, forecast and tides for Racha Yai Wreck

    Racha Yai Wreck Ocean Conditions

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

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    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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