Similan Islands, Thailand
    Muko Surin

    Tao Bay

    Best months: Jan–May

    Protected Area

    Muko Surin

    Why dive here

    With 173+ marine species recorded in the area - including blacktip reef sharks, eagle rays, giant moray eels, whale sharks and clownfish - Tao Bay 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
    StandoutExceptional marine biodiversity

    Tao Bay, on Similan Island Number One, is one of those sites we always try to hit, especially if we’re looking for a slightly more relaxed dive. It’s got a lovely, gradual slope, starting shallow over a sandy bottom, perfect for easing into the day or a long safety stop. What really stands out are the sheer thickets of staghorn coral, a real maze of branches that just goes on and on. You can spend ages poking around, spotting blennies peeking out or juvenile wrasse darting between the coral heads. We’ve seen bullethead parrotfish grazing here, their strong beaks crunching away, and sometimes a big argus grouper will cruise past, eyeing us up. Our favourite part has to be the large patches of seagrass where we often find blackbelly pygmies, almost impossible to spot unless you’re really looking. Visibility is usually pretty solid, letting the light dapple through the water, making the corals glow. It’s a gentle dive, ideal for photographers wanting to take their time or newer divers building confidence, though even seasoned pros will find plenty to keep them entertained here.

    Today06:1718:1511h 58m daylightGolden hour 17:47

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    Conditions

    Ocean conditions, forecast and tides for Tao Bay

    Tao Bay Ocean Conditions

    Monthly averages for Tao Bay, 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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