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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Hirane (平根) is a long pinnacle exposed to the tidal stream, a two-and-a-half-hour boat run from Chichijima in the Ogasawara Islands, Tokyo, with a maximum depth of 25 m and an average around 14 m. Schooling fish such as yellowback and dark-banded fusiliers are a given, and there are frequent chances of larger animals including spotted eagle rays. The current is strong and the site is for advanced divers only.
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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