Budaine is a current-driven hammerhead boat dive.
Budaine is a current-driven hammerhead boat dive.
Budaine is a boat dive off Shimoda on the Izu Peninsula, reached by a short run to the Kamikimoto Island area. It is a current-driven pelagic site known for hammerhead action from summer to autumn, with other large animals moving in when the Kuroshio Current lines up. The outing suits experienced divers who are comfortable with open-water conditions and changing seas.
Depth range, seasonality, and planning context.
Depth Note
Exact depth range is not well established in the accessible sources, so depth-specific planning should come from the operator briefing.
Best Season
Summer to autumn.
Typical Conditions
Pelagic activity increases when the Kuroshio Current approaches the Izu Peninsula.
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Plan for potentially strong Kuroshio-driven current and maintain awareness around large pelagic sharks.
Access Restrictions
Boat access from harbor-based operators only; sea state determines whether the crossing and dive run.
Legal Notes
No special permit is noted, but access is operator and weather dependent.
Community notes to help plan your visit.
Scuba Diving
Advanced boat diving with a current plan and a hammerhead focus; this is not a relaxed reef cruise.
Freediving
Not a freedive-first site; the boat logistics and current make scuba the better fit.
Snorkeling
Not a snorkel site; the action is offshore and current-driven.
Species commonly reported at this site, with direct links into their wildlife guides.
Community dive logs and visit reports for this site.
Average conditions based on logged dives & visits.
Planning answers for access, conditions, timing, and site logistics.
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