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
Izu Oshima is a volcanic island in the Izu island chain, part of Tokyo Prefecture despite lying well south of the capital in the Philippine Sea. Its dive sites sit along a coastline shaped by the volcano Mount Mihara, with black volcanic sand and rocky terrain typical of the Izu islands. The diving here is considered suitable for beginners.
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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