Dive-site story
Knife Rock is a granite reef formation located off the coast of Trincomalee in eastern Sri Lanka. The submerged boulder structure features rugged crevices, ledges, and rocky gullies that shelter a high density of macro life alongside resident reef fish. Divers encounter gentle slopes transitioning into sand patches where rays and bottom dwellers rest.
Rugged granite boulder topography with deep crevices harboring nocturnal critters
Frequent encounters with moray eels and resting stingrays
Macro photography opportunities with nudibranchs, mantis shrimps, and pipefish
Location
Use the map to plan with your operator and confirm the exact entry point on the day.
Seasonality
The eastern coast of Sri Lanka experiences calm seas and clear visibility during the southwest monsoon, while the northeast monsoon brings heavy rain and rough waters in the winter months.
Marine life
| Species | Likelihood | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Honeycomb MorayGymnothorax favagineus | Common | ||||||||||||
| Blue-spotted Ribbontail RayTaeniura lymma | Common | ||||||||||||
| Peacock Mantis ShrimpOdontodactylus scyllarus | Common | ||||||||||||
| Titan TriggerfishBalistoides viridescens | Common | ||||||||||||
| Hawksbill TurtleEretmochelys imbricata | Seasonal |
Marine forecast
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