Nishikawana
About Nishikawana
A boat-access dive site off the tip of Tateyama on the Boso Peninsula, with depths reaching 25 m and an average around 15–16 m. The seafloor features rocky reef structure mixed with rounded stones and sandy patches. The site is known for a V-shaped valley area where large fish and schooling species are commonly seen. Currents can be fast at times, so planning and awareness are important.
Where Is Nishikawana?
Nishikawana Planning Details
Depth range, seasonality, and planning context.
Reported Depth
15m - 25m
Depth Note
Average depth is about 15–16 m, with a maximum depth of 25 m.
Best Season
summer
Typical Conditions
Current can occasionally be strong.
Safety & Access At Nishikawana
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Currents can be fast at times; use caution and plan the dive for conditions.
Local Intel For Nishikawana
Community notes to help plan your visit.
Scuba
Typical scuba depths average around 15–16 m with a maximum of 25 m over rocky reef, stones, and sand.
Nishikawana Dive Conditions Planner
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Exposure Profile at Nishikawana
Directional shelter context for incoming swell.
Recent Logged Visits At Nishikawana
Community dive logs and visit reports for this site.
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Dive Spot Log Averages At Nishikawana
Average conditions based on logged dives & visits.
Nishikawana Guide - Sources and Updates
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