Kerama Islands, Japan
    Keramashoto Coral Reef

    Shiru Higashi

    Best months: Jun–Aug

    Protected Area

    Keramashoto Coral Reef

    Why dive here

    With 369+ marine species recorded in the area - including barracuda, bull sharks, humpback whales, seahorses and sea turtles - Shiru Higashi offers some of Kerama Islands's richest diving. Water ranges 22-30°C, warmest July, August, September.

    Best timeJun–Aug
    WetsuitA 3mm shorty or thin full wetsuit
    Marine lifeBarracuda, Bull Sharks, Humpback Whales, Seahorses and Sea Turtles · 369+ species recorded
    Water22-30°C · warmest July, August, September
    StandoutExceptional marine biodiversity

    Shiru Higashi, over in the Keramas, is one of those sites we always try to hit when we're in the area. It’s a real brain cooler, just a gentle drift along a slope covered in incredible hard coral formations. We’re talking massive colonies of staghorn, brain, and honeycomb corals, all stacked up and creating these natural canyons and swim-throughs. Sunlight filters down, making the whole place glow. It’s not about big pelagics here; it's about the sheer density and health of the reef itself. Look closely, and you'll spot blacklined filefish picking at polyps, and usually a few green turtles grazing lazily. We particularly love the shallower sections, around 10 to 15 metres, where the light really plays with the corals. For photographers, mornings are magic, before too many boats arrive. Conditions are usually pretty mellow, making it a perfect spot for divers who want to take their time and really soak in a thriving reef.

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    Conditions

    Ocean conditions, forecast and tides for Shiru Higashi

    Shiru Higashi Ocean Conditions

    Monthly averages for Shiru Higashi, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (26.24, 127.37) (1km away)

    ExcellentGreatGoodFairPoor★Best monthsThis month

    October Averages

    Sea Temperature

    29°C

    83°F · Range: 26.4–30.7°C

    Air Temperature

    26°C

    79°F

    Wind Speed

    9.4 m/s

    18.3 knots

    Atmospheric Pressure

    1014.4 hPa

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

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