States that the outer-sea scuba window including Pedras Secas is best from March to May and that boat operations follow sea conditions.
Pedras Secas
Pedras Secas: iconic outer-sea tunnel and arch dive.
Local operator required
Use a local Noronha operator and let the guide decide whether the surf and tunnel conditions are suitable.
About Pedras Secas
Pedras Secas is Noronha's famous dry-rock formation on the outer sea, with arches, canyons, caverns, and a tunnel packed with fish, turtles, and shark life. It is a boat dive for confident divers who want structure, clear water, and a more exposed reef profile than a sheltered cove.
Research Estimate At Pedras Secas
Conservative baseline from public research. No community dives logged yet.
Where Is Pedras Secas?
Pedras Secas Planning Details
Depth range, seasonality, and planning context.
Reported Depth
15m - 17m
Depth Note
The site is commonly described around 15-17 m, with both sides of the tunnel opening around 15-18 m.
Best Season
March to May is the easiest outer-sea window, especially when the sea is calm and visibility is high.
Typical Conditions
Rugged rock architecture with arches, canyons, caverns, and a tunnel, plus clear water and a lively outer-sea surface zone.
Safety & Access At Pedras Secas
Hazards, restrictions, and access requirements.
Key Hazards
Safety Notes
Keep good buoyancy control, respect the tunnel and surf-zone movement, and do not push the site when the sea is unsettled.
Access Restrictions
Treat it as a guided outer-sea dive and respect the surf zone and tunnel conditions on the day.
Legal Notes
Follow park rules and marine-park operating norms for Fernando de Noronha's outer-sea sector.
Local Intel For Pedras Secas
Community notes to help plan your visit.
Scuba
A structure-rich boat dive for divers who want arches, canyons, caverns, and a tunnel rather than a flat reef.
Freedive
Freedive can work only on calm days in the shallower structure, but the site is primarily a scuba target.
Snorkel
Snorkel is only useful at the calmer shallow edge; the main route sits below the surface.
Pedras Secas Dive Conditions Planner
Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at Pedras Secas.
Exposure Profile at Pedras Secas
Directional shelter context for incoming swell.
Wildlife at Pedras Secas
Species commonly reported at this site, with direct links into their wildlife guides.
Recent Logged Visits At Pedras Secas
Community dive logs and visit reports for this site.
No Dive Logs Yet
Be the first to log a dive at this spot and share your experience!
Dive Spot Log Averages At Pedras Secas
Average conditions based on logged dives & visits.
Pedras Secas Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
Pedras Secas Guide - Sources and Updates
Last Updated
Research Sources
Describes Pedras Secas as a 17 m site with arches, canyons, caverns, tunnels, hydrocorals, sponges, grunts, black margates, squirrelfish, big trevallies, nurse sharks, and turtles.
Documents Pedras Secas as a managed park dive site and supports the protected-area context for the outer-sea route.
Places Pedras Secas among the outer-sea signature dives and describes it as one of the island's top scuba spots.
Know this site? Improve Spot Details.











