Osaki Hanagoi Reef is a dive site in Ishigaki, Japan. Typically most favorable Aug · from 3 years of archive data. Recent reports put the water around 29°C (84°F). Check the latest conditions and entry details before you go.
Tap a factor for its source and model point · Forecast 29°C · seasonal avg 30°C
Dive windows this week
Best: TueFavorable windowModerate window— no window
First light 6:05 · Sunrise 6:28 · Sunset 18:51
Source: Open-Meteo marine · model point 2.8 km from site · graded 1h ago
Forecast only — always assess conditions on site.
Dated firsthand observations from divers — not current conditions.
No diver reports for this site yet. — one dated observation helps every diver after you.
What conditions have historically been typical at this site, month by month — not a forecast.
August hastypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.
Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.
No recorded sightings data for this site yet. Species lists appear as GBIF records and diver reports accumulate.
Facts from OpenStreetMap, corrected by the community — listed by distance only. Details change; confirm with the shop.
Shop facts come from OpenStreetMap and community corrections, shown nearest first. PickADive lists facts and contacts only — no listing is sponsored or ranked.
Data updated July 2026
No description for this site yet — divers who know it can suggest one below.
No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.
No reviews yet — this site is waiting for its first. Dived here? Your rating and a few lines help the next diver.
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