English (United Kingdom)
Currents
Koh Tao is one of the few islands in the world, that only has one tide (Diurnal tide) a day. Due to this unique feature the island doesn't suffer the same amount of tidal exchange that is common on the Andaman side (West cost) of Thailand.

This results in safe and calm diving conditions without strong and dangerous currents.

The only time that the island experiences any form of current is around the dates of the full- and black moons, but they hardly pose a problem, not even for novice divers.
 
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