Kerama Islands, Japan
    屋我地

    Nakjnin Blue

    Best months: Jun–Aug

    Protected Area

    屋我地

    Why dive here

    With 369+ marine species recorded in the area - including barracuda, bull sharks, humpback whales, seahorses and sea turtles - Nakjnin Blue 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

    Nakjnin Blue, for us, is all about the light. You drop down into this labyrinth of swim-throughs and small caves, and the way the sunlight slices through the openings is just hypnotic. Shafts of light pierce the blue, illuminating patches of the fluorescent grass coral and those big, closed brain corals on the walls. It’s a sensory experience, feeling the subtle surge, watching dust motes dance in the sunbeams. We love exploring the smaller cracks, peering in for the flash of a ghost cardinalfish or the delicate frills of a bicolor nudibranch. Keep an eye out for Christmas tree worms, their feathery crowns unfurling from the coral, and those fat, green bubble algae. While the big pelagics aren't the main draw here, the sheer beauty of the light play and the intimate details of the reef make it a genuinely standout dive. It's a photographer's dream, especially mid-morning when the sun is high. We’d suggest bringing a torch to peek into the darker corners, you never know what you might find tucked away.

    Today06:2618:0611h 40m daylightGolden hour 17:35

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    Conditions

    Ocean conditions, forecast and tides for Nakjnin Blue

    Nakjnin Blue Ocean Conditions

    Monthly averages for Nakjnin Blue, 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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