West End (Castle Rock)
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
Castle Rock sits at the northwest end of San Clemente Island, off the coast of Southern California in the Channel Islands chain. The area is exposed to open Pacific swell and reached by boat out of San Diego or nearby harbors.
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.
red gorgonianLeptogorgia chilensisReported here · unconfirmed
California Sea LionZalophus californianusReported here · unconfirmed
Sunburst AnemoneAnthopleura solaReported here · unconfirmed
Striped Shore CrabPachygrapsus crassipesReported 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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