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
Moku Auia, also known as Flat Island, sits just offshore from Waimanalo Bay on the windward coast of Oahu. The small island lies within Waimanalo Bay State Recreation Area, off the beach communities on the eastern side of the island.
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.
Saddle WrasseThalassoma duperreyReported here · unconfirmed
Dusky SurgeonfishAcanthurus nigrofuscusReported here · unconfirmed
Arc-eye HawkfishParacirrhites arcatusReported here · unconfirmed
Lei TriggerfishSufflamen bursaReported here · unconfirmed
Blackfin ChromisPycnochromis vanderbiltiReported here · unconfirmed
Manybar GoatfishParupeneus multifasciatusReported here · unconfirmed
Hump CoralPorites lobataReported here · unconfirmed
Hawaiian Spotted TobyCanthigaster jactatorReported here · unconfirmed
Elegant CorisCoris venustaReported here · unconfirmed
Belted WrasseStethojulis balteataReported 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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