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
Southwest lies in the waters off Surat Thani province, in the Gulf of Thailand around the Koh Tao and Koh Samui island group, and is dived as a drift site. It reaches a maximum depth of around 28 metres and is rated an intermediate dive.
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.
Black Longspine UrchinDiadema setosumReported here · unconfirmed
Magnificent Sea AnemoneRadianthus magnificaReported 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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