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
Basalt Island sits off the Sai Kung peninsula in Hong Kong's eastern waters, an area known for its hexagonal volcanic rock formations. It lies within the Sai Kung East Country Park marine area, reached by boat from piers along the Sai Kung coastline.
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.
Clark's AnemonefishAmphiprion clarkiiReported here · unconfirmed
Goniobranchus sinensisReported here · unconfirmed
Bubble-tip AnemoneEntacmaea quadricolorReported here · unconfirmed
Zebra LionfishDendrochirus zebraReported here · unconfirmed
Pearl-spot ChromisChromis notataReported here · unconfirmed
Spotted White Sea SlugChromodoris orientalisReported here · unconfirmed- Emma's MorayGymnothorax emmaeReported here · unconfirmed
Freckled GoatfishUpeneus tragulaReported here · unconfirmed
Fanbelly LeatherjacketMonacanthus chinensisReported here · unconfirmed
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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