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Local operator page with access, seasonal life, and facility support.
Dive Spot Guide•
Osezaki
Calm Shizuoka shore dive with seasonal macro life
Scuba DivingShoreIntermediate
Local operator required
Local shops handle carts, guides, hot showers, and dive-and-stay logistics.
Shore-access Osezaki mixes a sheltered bay and open-sea side, strong local facilities, and seasonal marine life.
About Osezaki
Osezaki is a calm Shizuoka shore dive with a sheltered inner bay, an open-sea side, and strong seasonal marine life that makes it a favorite for macro photographers. It suits divers who want shore logistics, a flexible site for both easy and deeper exploration, and a classic Japanese dive-center setup.
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Research Estimate At Osezaki
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 10m
AccessSimple entry
CoralSome damage
Aquatic LifeExceptional variety
FacilitiesExcellent facilities
Crowd / PopularityQuite busy
CurrentLight current
SurgeLight surge
Where Is Osezaki?
This spotNearby spots
Community sourced coordinates.
Osezaki Planning Details
Depth range, seasonality, and planning context.
Reported Depth
0m - 40m
Depth Note
The site spans a sheltered inner bay and a more open outer side; the published site page gives a 40m maximum while community guides often focus on the 20m zone, so the submitted band uses the full site-page ceiling.
Best Season
December to April, with winter offering the clearest water and strongest macro interest
Typical Conditions
Shore-access bay diving with a calm inner bay, a more open outer side, and seasonal species changes.
Safety & Access At Osezaki
Hazards, restrictions, and access requirements.
Key Hazards
Cold water
Safety Notes
Warm exposure protection helps, especially in winter, and local guidance matters when moving between the inner bay and the more open outer side.
Access Restrictions
Shore entry is normal, but the site is best handled through the local dive-center cart and guide system.
Legal Notes
Follow local shore-entry rules and dive-center guidance for the inner bay and outer site options.
Local Intel For Osezaki
Community notes to help plan your visit.
Scuba Diving
A shore-access macro and critter site with both sheltered and open-sea choices.
Freediving
Not a freedive-specific site; the layout is built for scuba shore diving.
Snorkeling
The sheltered bay may be pleasant, but the best value is the scuba site and its seasonal creatures.
Chill / Non-diver
A quiet dive destination with dive-and-stay support, not a casual swim park.
Osezaki Dive Conditions Planner
Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at Osezaki.
Current Snapshot
No data
🌥️Variable
Sunrise
No data
Time
No data
Sunset
No data
Surface / Entry
Wind No data · Tide No data
Sea State
Swell No data · Period unavailable
Visibility Outlook
Rain chance No data
Wind
No data
Swell
No data
Exposure Profile at Osezaki
Directional shelter context for incoming swell.
Exposure Note
Hourly forecast data is not available yet.
Wildlife at Osezaki
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Osezaki
Community dive logs and visit reports for this site.
No Dive Logs Yet
Be the first to log a dive at this spot and share your experience!
Dive Spot Log Averages At Osezaki
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility10m
Activity
No dive activity logged yet.
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Osezaki Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
Osezaki Guide - Sources and Updates
Last Updated
Research Sources
www.city.numazu.shizuoka.jp · Official
Official Numazu tourist guide covering Osezaki and Sannoura.
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