Kerama Islands, Japan
    Keramashoto Coral Reef

    Nishi Hama

    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 - Nishi Hama 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

    Nishi Hama has a magic to it, especially if you can get there when the sun is high. We’ve found the light penetration through the shallow staghorn gardens here utterly mesmerising. It’s not about huge pelagics, though a reef shark might cruise past the deeper sections if you’re lucky. Instead, Nishi Hama excels in the details: clown anemonefish tending their sebae homes, the iridescent shimmer of bluefin filefish darting amongst the honeycomb coral, and those enormous, textured brain corals that look like something out of a sci-fi movie. Dive this site slowly. We’d suggest dedicating a good chunk of your bottom time to just hovering over the coral bommies, letting your eyes adjust to the intricate patterns and the constant movement of tiny reef fish. The clarity here, particularly in late spring and early summer, makes photography a dream. It’s a gentle dive, perfect for those who appreciate the quieter moments and the sheer artistry of a healthy reef.

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    Conditions

    Ocean conditions, forecast and tides for Nishi Hama

    Nishi Hama Ocean Conditions

    Monthly averages for Nishi Hama, 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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