Koh Tao, Thailand
    Suratthani Environmental Protected Area

    Boyancy

    Best months: Oct–Feb

    Protected Area

    Suratthani Environmental Protected Area

    Why dive here

    With 54+ marine species recorded in the area - including sea turtles, tiger sharks and pufferfish - Boyancy offers some of Koh Tao's richest diving. Water ranges 29-31°C, warmest April, May, June.

    Best timeOct–Feb
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeSea Turtles, Tiger Sharks and Pufferfish · 54+ species recorded
    Water29-31°C · warmest April, May, June

    Boyancy, for us, is one of those Koh Tao sites that often gets overlooked, which is exactly why we love it. You drop down onto a sandy bottom, usually around 10-12 metres, and then it’s about slow exploration. We’ve had some fantastic luck here spotting the smaller stuff – those Nocturn Gobies are a treat, and the Filamentous Blennies pop up from every crevice. Keep an eye on the staghorn coral patches; they’re often nurseries for juvenile Blue Trim Parrotfish. The real draw, though, is the chance of a Blacktip reef shark cruising by in the blue, especially in the early mornings before the boats really pick up. We’d suggest going then, or late afternoon, to avoid the day trippers. It’s a great spot for photographers keen on macro subjects, or anyone who enjoys a relaxed dive without feeling rushed. The currents are usually mild, making it a comfortable drift. You’ll spend most of your time scrutinising the reef for Eye-spot Butterflyfish and those busy Cleaner Wrasse stations.

    Today06:1018:0711h 57m daylightGolden hour 17:39

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    Conditions

    Ocean conditions, forecast and tides for Boyancy

    Boyancy Ocean Conditions

    Monthly averages for Boyancy, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (11.17, 101.33) (40km away)

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    October Averages

    Sea Temperature

    30°C

    86°F · Range: 29.1–31.1°C

    Current Speed

    7.07 cm/s

    Direction: E (98.1°)

    Salinity

    31.67 PSU

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

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