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
Four Channels (四條溝) is on the south coast of Orchid Island near Hongtou. Four parallel gullies cut through the reef from a 6 m shelf down a cliff slope past 20 m, with sea caves at 15–25 m. It is an advanced site.
Marine life here
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Purple Hermit CrabCoenobita brevimanusReported here · unconfirmed
Striped SurgeonfishAcanthurus lineatusReported here · unconfirmed
Cavipes Hermit CrabCoenobita cavipesReported here · unconfirmed
Sixbar WrasseThalassoma hardwickeReported here · unconfirmed
Mottled Lightfoot CrabGrapsus albolineatusReported here · unconfirmed
Manta rayManta rayReported 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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