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 mix of fringing reef and drop-off diving on both the Philippine Sea and Pacific sides of the island. Nathan's Dent would be reached from one of the coastal access points around the island, typical of the many named local dive spots that ring Guam's shoreline.
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.
Princess DamselPomacentrus vaiuliReported here · unconfirmed
Tracey's DamselfishChrysiptera traceyiReported here · unconfirmed
Dusky SurgeonfishAcanthurus nigrofuscusReported here · unconfirmed
Pacific Bullethead ParrotfishChlorurus spilurusReported here · unconfirmed
Ringtail Maori WrasseOxycheilinus unifasciatusReported here · unconfirmed
Jewel DamselStegastes lacrymatusReported here · unconfirmed
Pacific Orange-spine UnicornfishNaso lituratusReported here · unconfirmed
Bluestreak Cleaner WrasseLabroides dimidiatusReported here · unconfirmed
Indo-Pacific Man-O-WarPhysalia utriculusObserved near here · iNaturalist
Spotted TobyCanthigaster solandriObserved 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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