Koh Rang

Thailandreef12 m maxbeginner

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Conditions & tides

Satellite view of Koh Rang

Koh RangThailand · 12 m

Good · 5/5

© Esri

conditions visualisation

Good5/5

Calm and diveable right now — best window today 7 AM–5 PM.

Wind12 kn WNW

Current~0.4 kn SSE · model

Swell

0.5 m · 4s · WSW

Water

30 °C

Conditions through the day

6 AM6 PM

Calmest current near slack — 07:15 PM & 06:45 AM local

Sunrise 05:59 AM · Sunset 06:05 PM local

Show details

Tide · local

Outlook — select a day for full conditions

On-face swell 0.5 m — the component of the swell aimed at this site’s exposed face. Current is a regional model value (Copernicus, ~9 km grid) — a guide to the area, not a precise reef measurement. Imagery © Esri · not depth or visibility.

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

Koh Rang is an island in the Koh Rang archipelago off the coast of Thailand, near Koh Chang in Trat province, within a marine park area of the Gulf of Thailand. Diving here reaches a maximum depth of around 11.9 metres over a reef bottom, making it a beginner level site. Nudibranchs are a regular find on the reef, and divers have also reported bannerfish, batfish, clownfish, fusiliers, harlequin shrimp, lionfish, mantis shrimp, parrotfish, and scorpionfish. Fishing nets have been noted as a hazard here as well.

AI overview

Marine life here

Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.

Moon WrasseThalassoma lunareReported here · unconfirmed
Scissortail SergeantAbudefduf sexfasciatusReported here · unconfirmed
Pink Skunk AnemonefishAmphiprion perideraionReported here · unconfirmed
Blue-barred ParrotfishScarus ghobbanReported here · unconfirmed
Blackeye ThicklipHemigymnus melapterusReported here · unconfirmed
Black Longspine UrchinDiadema setosumReported here · unconfirmed
Eightband ButterflyfishChaetodon octofasciatusReported here · unconfirmed
Redbreast Maori WrasseCheilinus fasciatusReported here · unconfirmed
Bengal SergeantAbudefduf bengalensisReported here · unconfirmed
Copperband ButterflyfishChelmon rostratusReported here · unconfirmed
NudibranchNudibranchConfirmed present · 2 independent sources
BatfishBatfishReported here · unconfirmed
LionfishLionfishReported here · unconfirmed
ScorpionfishScorpionfishReported here · unconfirmed
BannerfishBannerfishReported here · unconfirmed
FusilierFusilierReported here · unconfirmed
ParrotfishParrotfishReported here · unconfirmed
ClownfishClownfishReported here · unconfirmed
Mantis shrimpMantis shrimpReported here · unconfirmed
Harlequin ShrimpHymenocera pictaReported here · unconfirmed

Diver notes

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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Nearby dive sites

Koh Yak YaiTrat, Rang Island, Eastern Thailand, Thailand2 km Koh Rang PinnaclesTrat, Rang Island, Eastern Thailand, Thailand2.1 km Koh Yak LekTrat, Rang Island, Eastern Thailand, Thailand2.3 km Koh YakThailand4 km Hin Kuak MaTrat, Rang Island, Eastern Thailand, Thailand5.4 km Hin Raab TaiTrat, Khlum Island, Eastern Thailand, Thailand13.6 km

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