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
Guam sits in the Mariana Archipelago in the western Pacific, and its coastline offers a range of dive access points along both the Philippine Sea and Pacific Ocean sides of the island. The waters around Guam are known for steep drop-offs close to shore, a legacy of the island's volcanic and reef structure.
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
Staghorn DamselAmblyglyphidodon curacaoReported 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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