Season and popularity context for Kumejima diving.
Umagai is a Kume Island boat wall dive with rich fish life.
Umagai is a Kume Island boat wall dive with rich fish life.
Umagai is a boat dive on Kume Island where a shallow reef edge drops into a long wall. It is a compact guided dive for people who like vertical terrain, with the wall doing most of the work rather than a long swim. The site is known for dense fish life, steady silhouettes and a profile that rewards calm buoyancy on the way down and back along the face.
Conservative baseline from public research. No community dives logged yet.
Depth range, seasonality, and planning context.
Reported Depth
7m - 40m
Depth Note
The reef drops off around 7 m and the wall extends to about 40 m.
Best Season
Year-round
Typical Conditions
Boat wall dive with a shallow top, steep drop and moderate current.
Site conditions, restrictions, and access requirements.
Safety Notes
Keep depth awareness on the wall and leave a calm margin for the moderate current.
Access Restrictions
Boat access is the normal plan; confirm weather and the day's sea state with the guide.
Legal Notes
Follow local boat-diving and marine-area rules for the day.
Community notes to help plan your visit.
Scuba Diving
A guided wall dive with a shallow top, a clear drop and a long vertical face.
Freediving
Not a freedive-first site; the wall profile and moderate current suit scuba better.
Snorkeling
Snorkeling is not the main use case; the wall and fish life sit below the surface.
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.
Last Updated
Research Sources
Season and popularity context for Kumejima diving.
Kumejima dive guide with boat time, depth and seasonal context.
Official site guide with entry, depth, current and level.
Operator dive log with Umagai visibility notes.
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