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
Big Arch lies off the Big Island of Hawaii, in the waters near Kailua-Kona based on its coordinates. The site reaches a maximum depth of around 33 metres and is considered an advanced dive.
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.
Spinner DolphinStenella longirostrisReported here · unconfirmed
Yellow TangZebrasoma flavescensReported here · unconfirmed
Indo-Pacific Rock-boring UrchinEchinometra mathaeiReported here · unconfirmed
Dusky SurgeonfishAcanthurus nigrofuscusReported here · unconfirmed
Thin-shelled Rock CrabGrapsus tenuicrustatusReported here · unconfirmed
Red Pencil UrchinHeterocentrotus mamillatusReported 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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