Ishigaki & Yaeyama, Japan
    伊良部

    Kurosuhôru

    Best months: Apr–Jun

    Protected Area

    伊良部

    Why dive here

    With 428+ marine species recorded in the area - including bull sharks, manta rays, mobula rays (devil rays), seahorses and sea turtles - Kurosuhôru offers some of Ishigaki & Yaeyama's richest 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
    StandoutExceptional marine biodiversity

    Kurosuhôru, near Ishigaki, is one of those spots that just sticks with you. It’s not about grand pelagics here, it’s about the sheer vibrancy and density of the coral. We love drifting along the reef edge, eye-level with massive lettuce coral formations that look like giant ruffled cabbages. The honeycomb corals create deep shadows where small groupers lurk, and if you’re patient, you might spot a Gardiner’s Headshield Slug inching along the polyps. What really makes Kurosuhôru a standout is the light. When the sun hits the shallows just right, the fluorescence grass coral practically glows, and the blues and purples of the brain and cauliflower corals are electric. We always suggest trying to hit this site mid-morning. The currents can pick up, so it's a good drift for experienced divers, letting the water carry you past a kaleidoscope of table and staghorn corals. It's a proper feast for the eyes, a sensory overload of colour and texture.

    Today05:3617:1811h 42m daylightGolden hour 16:47

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    Conditions

    Ocean conditions, forecast and tides for Kurosuhôru

    Kurosuhôru Ocean Conditions

    Monthly averages for Kurosuhôru, 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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