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Diving Andaman Sea — Thailand and Myanmar from Singapore

The Similans, Surin and Richelieu Rock. A hard season with a hard edge: the national parks close by decree, not by judgement.

Islands: North Koh Surin, Ko Phi Phi Don, Ko Racha Yai, Ko Phi Phi Leh, Ko Raya Noi, Ko Ta Chai

Best months
Dec–Apr
Also good
Nov
From Singapore
~6h 48m each way
On the map
35 dive sites · 7 centres

When to go

Closed

Closed in October.

Closed 16 May to 15 October

Mu Ko Similan and Mu Ko Surin national parks close to all visitors for the monsoon — a legal closure, so no operator can take you whatever the sea looks like. Richelieu Rock sits inside Surin and closes with it. The inshore sites around Phuket and Phi Phi stay open in reduced conditions.

Southwest monsoon

Wind and swell straight off the Bay of Bengal onto an unprotected archipelago. The liveaboards relocate for the season.

The year here

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Best here: December, January, February, March, April.

Andaman Sea — Thailand and Myanmar. Written by hand from how the season actually runs, calibrated against what the boats do, since a season that disagrees with the operators is wrong however good the meteorology behind it. It describes most years, not this one: the forecast above is what knows about next week.

  • Southwest monsoon (May–Oct) — Wind and swell straight off the Bay of Bengal onto an unprotected archipelago. The liveaboards relocate for the season.
  • Closed 16 May to 15 October — Mu Ko Similan and Mu Ko Surin national parks close to all visitors for the monsoon — a legal closure, so no operator can take you whatever the sea looks like. Richelieu Rock sits inside Surin and closes with it. The inshore sites around Phuket and Phi Phi stay open in reduced conditions.

Where to dive in Andaman Sea — Thailand and Myanmar

Ko Phi Phi Don · 3 sites

Shark Point Beacon · 3 sites

Ko Phi Phi Leh · 2 sites

Ko Raya Noi · 2 sites

Ko Ta Chai · 2 sites

ခက်ရင်းခွကျွန်း · 2 sites

အောက်ကျွန်းနီ · 2 sites

Every site opens onto this week's sea forecast and the marine life seen there. See them on the map →

Dive centres

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