Ko Bon Pinnacle
Protected Area
Mu Ko Similan
Why dive here
With 173+ marine species recorded in the area - including blacktip reef sharks, eagle rays, giant moray eels, whale sharks and clownfish - Ko Bon Pinnacle offers some of Similan Islands's richest pinnacle diving. Water ranges 29-31°C, warmest April, May, June.
Ko Bon Pinnacle is an exposed, submerged reef system often swept by substantial currents. We head here for the chance to spot manta rays, especially from April to May, as they cruise past the cleaning stations. Even without mantas, the reef usually holds schools of fusiliers, trevally, and leopard sharks resting on the sandy bottom. It's a dive best suited for advanced divers comfortable with drift diving and changeable conditions.
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Conditions
Ocean conditions, forecast and tides for Ko Bon Pinnacle
Ko Bon Pinnacle Ocean Conditions
Monthly averages for Ko Bon Pinnacle, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (8.1, 98.3) (6km away)
October Averages
Sea Temperature
30°C
85°F · Range: 28.7–30.4°C
Current Speed
5.1 cm/s
Direction: S (191.3°)
Salinity
29.75 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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