Conditions & tides
Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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About this site
Tatsunokuchi is a dive site along the Nagasaki prefecture coastline of Kyushu in southwestern Japan, in a region shaped by inlets and small peninsulas facing the East China Sea. It is a cave site with a maximum depth of around 25 metres, rated intermediate.
AI overviewDurable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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