Kerama Islands, Japan
    Keramashoto Coral Reef

    Adan Mae

    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 - Adan Mae 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

    Adan Mae is one of our favourite Kerama spots, hands down, and it's all about the coral. You drop down onto a gently sloping reef, maybe 12 to 15 metres, and it’s just wall-to-wall hard corals. We're talking serious Montipora plate corals, big old brain corals, and thickets of staghorn that stretch further than you can see. It feels ancient, like a city built by the reef itself. We love hitting Adan Mae in the late morning, when the sun is high. The light really picks out the colours in the coral, and you get these incredible contrasts as the smaller reef fish dart in and out of the shadows. Keep an eye out for the orange-lined triggerfish; they’re often patrolling the bigger coral bommies. It's not a site for big pelagics, but the sheer health and scale of the reef itself is the main attraction here. You want to bring your wide-angle lens for this one. It's a relaxed drift, generally, making it perfect for photographers or anyone who just wants to soak in a truly vibrant coral ecosystem without fighting a current.

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    Conditions

    Ocean conditions, forecast and tides for Adan Mae

    Adan Mae Ocean Conditions

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

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    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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