Ishigaki & Yaeyama, Japan
    沖縄県漁業調整規則第37条表第1号

    Ishigaki double reef

    Best months: Apr–Jun

    Protected Area

    沖縄県漁業調整規則第37条表第1号

    Why dive here

    With 428+ marine species recorded in the area - including bull sharks, manta rays, mobula rays (devil rays), seahorses and sea turtles - Ishigaki double reef offers some of Ishigaki & Yaeyama's richest reef diving. Water ranges 23-30°C, warmest July, August, September.

    Best timeApr–Jun
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBull Sharks, Manta Rays, Mobula Rays (Devil Rays), Seahorses and Sea Turtles · 428+ species recorded
    Water23-30°C · warmest July, August, September
    CharacterReef dive
    StandoutExceptional marine biodiversity

    The Double Reef here, just off Ishigaki, is a bit of a local secret, and we love it. It’s exactly what it sounds like – two parallel coral ridges running north to south, separated by a sandy channel about five metres deep. The outer reef wall drops down, but we stick to the top where the light is best. The real magic happens between those two ridges. It’s like a superhighway for fish. You'll often find big schools of Indian mackerel zipping through, sometimes chased by something larger. Keep an eye out for the smaller stuff too; the Dapple Coris and Three-spot wrasse are always busy flitting between the coral heads. We’ve seen some seriously chunky Staghorn coral formations here, and the Large meandroid brain corals are impressive. Visibility can be brilliant on a calm day, giving you a real sense of the reef’s structure. Our favourite time to dive it is mid-morning, just as the sun gets high, really making the colours pop. It’s a pretty easy drift, perfect for anyone who enjoys a relaxed dive with plenty of fish action.

    Today05:4017:2211h 42m daylightGolden hour 16:52

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    Conditions

    Ocean conditions, forecast and tides for Ishigaki double reef

    Ishigaki double reef Ocean Conditions

    Monthly averages for Ishigaki double reef, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (24.6, 124.35) (10km away)

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    October Averages

    Sea Temperature

    29°C

    84°F · Range: 27–30.4°C

    Air Temperature

    26°C

    79°F

    Wind Speed

    7.74 m/s

    15.0 knots

    Atmospheric Pressure

    1013.6 hPa

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

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