Conditions & tides
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.
Dived here today? How were conditions vs. what we showed?
About this site
Batubulan is a dive site off Siau Island, part of the Sangihe Islands chain in North Sulawesi, Indonesia. Siau is a volcanic island lying along the sea route between the northern tip of Sulawesi and the Sangihe Islands, with its shoreline dropping into the deep waters of the Sulawesi Sea and Maluku Sea region. The site reaches a maximum depth of around 30 metres.
AI overviewMarine life here
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
Eel BornellaBornella anguillaObserved near here · iNaturalist
Humphead BannerfishHeniochus variusObserved near here · iNaturalist
Yellowmargin MorayGymnothorax flavimarginatusObserved near here · iNaturalist
Three-lobed T-bar NudibranchCeratosoma trilobatumObserved near here · iNaturalist
Durable 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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