15m
    Beginner
    Kerama Islands, Japan
    慶良間諸島

    Sanchin

    Best months: Jun–Aug

    Protected Area

    慶良間諸島

    Why dive here

    With 369+ marine species recorded in the area - including barracuda, bull sharks, humpback whales, seahorses and sea turtles - Sanchin offers some of Kerama Islands's richest reef 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
    CharacterReef dive · max 15m
    StandoutExceptional marine biodiversity

    Sanchin is a straightforward reef dive, shallow and ideal for those just getting comfortable in the water. We usually see a good variety of reef fish here – think clownfish in anemones, plenty of damselfish, and small wrasse darting about. The maximum depth is a gentle 15 metres, making it a solid choice for beginners or for a relaxed second dive. It’s a good spot to just cruise along and enjoy the local coral formations.

    Typical Sanchin Dive Profile

    5m10m15mSafety Stop0m15m max~50 min estimated bottom time

    Illustrative profile based on site depth and type. Actual dive profiles vary - always follow your dive computer and training.

    Safety Notes

    Always perform a 3-minute safety stop at 5m before surfacing.

    Today05:2817:0811h 40m daylightGolden hour 16:37

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    Conditions

    Ocean conditions, forecast and tides for Sanchin

    Sanchin Ocean Conditions

    Monthly averages for Sanchin, 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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