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
Les Arches lies along the coast of Réunion, the French island in the Indian Ocean east of Madagascar. The name points to arch-like rock formations shaped by the volcanic island's coastline, a common feature along Réunion's fringing reef and lava rock shore. It is a reef dive rated advanced.
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.
Loggerhead Sea TurtleCaretta carettaReported here · unconfirmed
Hawaiian Convict SurgeonfishAcanthurus triostegusReported here · unconfirmed
Spotted BoxfishOstracion meleagrisReported here · unconfirmed
Moorish IdolZanclus cornutusReported here · unconfirmed
Yellow BoxfishOstracion cubicumReported here · unconfirmed
Bluespine UnicornfishNaso unicornisReported here · unconfirmed
Indian Teardrop ButterflyfishChaetodon interruptusReported here · unconfirmed
Lagoon TriggerfishRhinecanthus aculeatusReported 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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