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
Tonsu Point sits along the coast of Siau Island, a small volcanic island in the Sangihe Islands chain of North Sulawesi, Indonesia. The island rises from deep water in the Sulawesi Sea and its shoreline points are typically reached by boat from local coastal villages.
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.
Blue LinckiaLinckia laevigataReported here · unconfirmed
Pink Skunk AnemonefishAmphiprion perideraionReported here · unconfirmed
Fluted Giant ClamTridacna squamosaReported here · unconfirmed
Seastar ShrimpZenopontonia sororReported 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 · 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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