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
Tech Reef sits off the leeward coast of Oahu, in the waters near the Waianae Coast area of Hawaii. Dive sites along this stretch of coastline are typically reached by boat out of harbors such as Waianae or Kewalo Basin, running over the reef structures that lie offshore.
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.
Hump CoralPorites lobataReported here · unconfirmed
Saddle WrasseThalassoma duperreyReported here · unconfirmed
Dusky SurgeonfishAcanthurus nigrofuscusReported here · unconfirmed
Manybar GoatfishParupeneus multifasciatusReported here · unconfirmed
Hawaiian Spotted TobyCanthigaster jactatorReported here · unconfirmed
Arc-eye HawkfishParacirrhites arcatusReported here · unconfirmed
Lei TriggerfishSufflamen bursaReported here · unconfirmed
Blackfin ChromisPycnochromis vanderbiltiReported here · unconfirmed
Rice CoralMontipora capitataReported 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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