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
American Tanker lies off the coast of Guam in the Mariana Archipelago, in the western Pacific. The site sits within reach of local dive operators based around Guam's western shoreline, which fronts the Philippine Sea.
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.
Plate & Pillar CoralPorites rusReported here · unconfirmed
Tracey's DamselfishChrysiptera traceyiReported here · unconfirmed
Pacific Bullethead ParrotfishChlorurus spilurusReported here · unconfirmed
Princess DamselPomacentrus vaiuliReported here · unconfirmed
Lined BristletoothCtenochaetus striatusReported here · unconfirmed
Dusky SurgeonfishAcanthurus nigrofuscusReported here · unconfirmed
Spotted LinckiaLinckia multiforaReported here · unconfirmed
Yellowbar ParrotfishScarus schlegeliReported here · unconfirmed
Redbreast Maori WrasseCheilinus fasciatusReported here · unconfirmed
Galaxy CoralGalaxea fascicularisObserved near here · iNaturalist
Blue LinckiaLinckia laevigataObserved near here · iNaturalist
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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