Scored by DiveConnect's site-physics model
Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.
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This dive site off Siau Island features dramatic volcanic topography with steep walls and black sand slopes. Expect strong currents that attract pelagics like barracuda, trevally, and occasional reef sharks. The site's volcanic origin creates unique formations covered in vibrant soft corals and sponges. Macro life thrives here, with rare nudibranchs and crustaceans hiding in the dark substrate. Visibility varies but often exceeds 20 meters. Suitable for experienced divers due to currents, offering thrilling drift dives along nutrient-rich drop-offs. Night dives reveal octopus and hunting predators. Water temperatures stay warm year-round.
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Acropora validaReported here · unconfirmed
Acropora solitaryensisReported here · unconfirmed
Acropora gemmiferaReported here · unconfirmed
Acropora abrotanoidesReported here · unconfirmed
Snowflake MorayEchidna nebulosaObserved near here · iNaturalist
Eel BornellaBornella anguillaObserved near here · iNaturalist
Humphead BannerfishHeniochus variusObserved near here · iNaturalist
Yellowmargin MorayGymnothorax flavimarginatusObserved near here · iNaturalistDurable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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