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Dive Spot Guide•
Three Sisters
A wave-exposed shore dive on the Blackrock headland.
FreedivingScuba DivingSnorkelingShoreIntermediate
Reef
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Short cliff access and a V-shaped rocky gap make this a calm-day-only shore dive.
About Three Sisters
Three Sisters is a compact shore dive on the Blackrock headland in Northern Ireland. It sits in a V-shaped rocky gap and only really works when the sea is calm enough to keep the swell down. On the right day it offers a shallow rocky reef with direct shore access and a distinctly weather-window feel, making it better suited to divers who are comfortable choosing their conditions carefully.
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Research Estimate At Three Sisters
Conservative baseline from public research. No community dives logged yet.
AccessModerate entry effort
CoralHeavily damaged
Aquatic LifeSome life
FacilitiesBasic facilities
Crowd / PopularityFew visitors
CurrentNo current
SurgeHeavy surge
Where Is Three Sisters?
This spotNearby spots
Community sourced coordinates.
Three Sisters Planning Details
Depth range, seasonality, and planning context.
Reported Depth
3m - 8m
Depth Note
Three rock pools are described as ranging from 3 to 8 meters deep.
Best Season
Calmest-weather windows
Typical Conditions
A compact rocky gap on a wave-exposed headland with a calm-day-only feel.
Safety & Access At Three Sisters
Hazards, restrictions, and access requirements.
Key Hazards
Waves
Safety Notes
The area is exposed and can amplify even small swell; plan dives only for very calm days and take care on the cliff walk and reef crossing.
Access Restrictions
Only on the calmest days.
Legal Notes
Use the local headland access and plan around the weather window.
Local Intel For Three Sisters
Community notes to help plan your visit.
Scuba Diving
A short shore walk to a rocky gap that depends heavily on sea state.
Freediving
The center offers freediving, but the site itself is only sensible on very calm days.
Snorkeling
Snorkeling is only practical when the sea is very settled.
Three Sisters Dive Conditions Planner
Use the planner to scan this week, inspect today in local time, and understand how exposure shapes conditions at Three Sisters.
Current Snapshot
No data
🌥️Variable
Sunrise
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Time
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Sunset
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Surface / Entry
Wind No data · Tide No data
Sea State
Swell No data · Period unavailable
Visibility Outlook
Rain chance No data
Wind
No data
Swell
No data
Exposure Profile at Three Sisters
Directional shelter context for incoming swell.
Exposure Note
Hourly forecast data is not available yet.
Recent Logged Visits At Three Sisters
Community dive logs and visit reports for this site.
No Dive Logs Yet
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Dive Spot Log Averages At Three Sisters
Average conditions based on logged dives & visits.
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Three Sisters Guide - Frequently Asked Questions
Planning answers for access, conditions, timing, and site logistics.
Three Sisters Guide - Sources and Updates
Last Updated
Research Sources
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