Tangkasi
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.
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About this site
Tangkasi is a dive site off Mantehage Island, part of the Bunaken National Marine Park near Manado in North Sulawesi. Mantehage sits in the channel waters between Bunaken and the Sulawesi mainland, an area known for its mix of reef and mangrove coastline. Divers here have reported bumphead parrotfish, green and hawksbill turtles, weedy pygmy seahorses, and yellow finger coral along the reef.
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.
Green Sea TurtleChelonia mydasReported here · unconfirmed
Hawksbill Sea TurtleEretmochelys imbricataReported here · unconfirmed
Weedy Pygmy SeahorseHippocampus pontohiReported here · unconfirmed
Yellow Finger CoralPorites cylindricaReported here · unconfirmed
Bumphead ParrotfishBolbometopon muricatumReported here · unconfirmed
Anna's ChromodorisChromodoris annaeObserved near here · iNaturalist
Loch's ChromodorisChromodoris lochiObserved near here · iNaturalist
Pyramid ButterflyfishHemitaurichthys polylepisObserved 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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