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.
Dived here today? How were conditions vs. what we showed?
About this site
A submerged tunnel off Okinawa, this site offers a thrilling swim-through with dramatic light beams filtering through cracks. The structure is covered in soft corals and attracts schools of tropical fish. Strong currents can occur, making it ideal for drift diving. Depth ranges from 10 to 20 meters, suitable for intermediate divers. The surrounding area features vibrant reef life, including clownfish and occasional reef sharks. Visibility is typically excellent, enhancing the tunnel's eerie beauty.
Marine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Cavipes Hermit CrabCoenobita cavipesReported here · unconfirmed
Tawny Hermit CrabCoenobita rugosusReported here · unconfirmed
Hawaiian Convict SurgeonfishAcanthurus triostegusReported here · unconfirmed
Red Flower CrabOrisarma intermediumReported here · unconfirmed
Striped RockskipperBlenniella cyanostigmaReported here · unconfirmed
Durable 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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