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
Kailua Bay sits on the Kona coast of the Big Island of Hawaii, in Hawaii County, United States. It is a beginner dive over a reef bottom with a maximum depth of around 10.7 metres. Tiger sharks are present at the site, and divers have also reported barracuda, eagle rays, manta rays, nudibranchs, octopus, and triggerfish here.
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.
OctopusOctopusReported here · unconfirmed
Manta rayManta rayReported here · unconfirmed
Thin-shelled Rock CrabGrapsus tenuicrustatusReported here · unconfirmed
Spinner DolphinStenella longirostrisReported here · unconfirmed
Indo-Pacific Rock-boring UrchinEchinometra mathaeiReported here · unconfirmed
Yellow TangZebrasoma flavescensReported here · unconfirmed
Shingle UrchinColobocentrotus (Podophora) atratusReported here · unconfirmed
Red Pencil UrchinHeterocentrotus mamillatusReported here · unconfirmed
Tiger SharkGaleocerdo cuvierConfirmed present · 2 independent sources
TriggerfishTriggerfishReported here · unconfirmed
NudibranchNudibranchReported here · unconfirmed
BarracudaBarracudaReported here · unconfirmed
Eagle rayEagle 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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