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
The coordinates given for Mortar Rock place it off the eastern coast of Sri Lanka, in the Trincomalee area, a stretch of coastline known for its natural harbor and Bay of Bengal access. Dive operators in Trincomalee typically run trips out to rocky and reef sites scattered along this coast.
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.
Striped SurgeonfishAcanthurus lineatusReported here · unconfirmed
Black-finned TriggerfishMelichthys indicusReported here · unconfirmed
Moorish IdolZanclus cornutusReported here · unconfirmed
Indian Redfin ButterflyfishChaetodon trifasciatusReported here · unconfirmed
Sixbar WrasseThalassoma hardwickeReported here · unconfirmed
Barred ThicklipHemigymnus fasciatusReported here · unconfirmed
Spotted BoxfishOstracion meleagrisReported here · unconfirmed
Orangestripe TriggerfishBalistapus undulatusReported here · unconfirmed
Tawny Hermit CrabCoenobita rugosusReported here · unconfirmed
Thumbprint EmperorLethrinus harakReported 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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