Scuba Season
Underwater at Sail Rock

Sail Rock

Koh Samui & Ang Thong · Thailand

Isolated granite pinnacle rising 15m above the surface and 40m below, featuring a dramatic vertical chimney swim-through. Renowned for massive schools of chevron barracuda, abundant pelagic fish, and frequent whale shark encounters. Strong currents and thermoclines common below 25m.

Conditions

Depth

5 to 40 m

Advanced depths

Current

Can be moderate

Can pick up on the edge

Visibility

15 to 25 m

Clearest in the calm season

Water

27 to 30°C

Rash guard

Month by month

MonthJanFebMarAprMayJunJulAugSepOctNovDec
Water (°C)272728292928282828272727
Vis (m)151520202015151515101010
CurrentGentleGentleGentleGentleGentleModerateModerateModerateModerateModerateStrongModerate

Your chances of seeing each animal

See all species recorded here →

Gear

  • Basic kit

    • Mask and fins
    • BCD and regulator
    • 3mm full wetsuit · warm water
    • Dive computer