diveking.co · Operator
Operator guide with Knife Rock depth, marine life, and seasonal visibility.
Dive Spot Guide•
Knife Rock
Knife-shaped offshore reef off Nilaveli with lively fish and coral growth.
Boat dive from Nilaveli/Trincomalee; best in the east-coast season when seas settle and the short offshore ride stays smooth.
About Knife Rock
Knife Rock is a knife-shaped offshore pinnacle off Nilaveli with rocky slopes, coral patches, and plenty of fish life around the outcrop. Local Trincomalee operators treat it as a straightforward boat dive for divers who are comfortable in open water and want a compact site with enough structure to keep the route interesting. It is best when the east-coast season is settled and the sea state stays calm.
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Research Estimate At Knife Rock
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 20m
AccessSimple entry
CoralHealthy coral
Aquatic LifeGreat variety
FacilitiesGood facilities
Crowd / PopularityQuite busy
Where Is Knife Rock?
This spotNearby spotsExplore nearby spots on the map
Community sourced coordinates.
Knife Rock Planning Details
Depth range, seasonality, and planning context.
Reported Depth
10m - 25m
Depth Note
Public listings cluster around 10-15m, while some operator guides extend Knife Rock into the low-20s.
Best Season
March to October
Typical Conditions
Warm east-coast water, short boat runs, and the cleanest dives during the active season; the site feels more open once wind or swell builds.
Safety & Access At Knife Rock
Site conditions, restrictions, and access requirements.
Site Conditions
Boat traffic
Safety Notes
Treat Knife Rock as an offshore boat dive and keep the plan conservative if the crew flags wind or swell.
Local Intel For Knife Rock
Community notes to help plan your visit.
Scuba Diving
Best as a boat reef/pinnacle dive with a compact loop around the rock and blue water around the edges for passing fish life.
Wildlife at Knife Rock
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Knife Rock
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Knife Rock
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility20m
Activity
No dive activity logged yet.
