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
Gyosho lies off the Chiba coast of Japan, on the Boso Peninsula facing the Pacific southeast of Tokyo. This stretch of coastline sits within the warmer Kuroshio-influenced current system and is known for its mix of rocky reef shoreline and access points used by local dive operators. The site reaches a maximum depth of around 20 metres and is rated an intermediate dive over its reef terrain.
AI overviewMarine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Pearl-spot ChromisChromis notataReported here · unconfirmed
Blacksaddle GoatfishParupeneus spilurusReported here · unconfirmed
Durable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
No notes yet. Dived here? Be the first to leave a tip.
Share a write-up or a photo. Submissions are reviewed before they appear on the page.
Nearby dive sites
Shops that dive here
No shops have listed this site yet.