Located roughly 9 km northeast of Eaglehawk Neck off Tasmania's southeast coast, Sisters Rocks is one of Australia's premier wall dives and a spectacular snorkel site. Granite pillars and bommies plunge into deep water, their flanks completely encrusted with gold zoanthid anemones, soft corals, and a dazzling array of colourful sponges. Dense gardens of sea whips sway in the deeper sections, while the clear temperate waters support weedy seadragons and abundant macro life. Access is by boat only, making it a pristine offshore adventure.
Sisters Rocks (offshore)
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Showing last known conditions
Wave Height 0.7 mSwell Period 6.0 sWind Speed 7.4 knPrecipitation 0.4 mmTidal Phase slack
Last evaluated
The spot
Community-maintained
Community contribution: submitted by Daniel
Know before you go
Logged by the community, confirmed by mods
Moderate risk: Open ocean swells
Exposed offshore location subject to ocean swells, making conditions variable and sometimes rough.
Moderate risk: Strong currents
Offshore walls and bommies can experience strong tidal currents that may challenge less experienced snorkelers.
Low risk: Cold water temperatures
Tasmanian waters are cold year-round; a 7mm wetsuit or drysuit is recommended even in summer.
Low risk: Boat traffic
Access is by boat only; snorkelers must be vigilant of dive boats and vessels in the area.
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Getting in
Boat
Entry
Sisters Rocks lies roughly 9 km northeast of Eaglehawk Neck on the Tasman Peninsula, southeast Tasmania. Boat access is required; launch from Eaglehawk Neck or nearby Port Arthur and head northeast into the Tasman Sea. The site is marked by exposed granite rocks above the waterline.
Parking & facilities
Parking is available at boat ramps at Eaglehawk Neck (e.g., Pirates Bay) or Port Arthur. No parking at the site itself.
parkingboat_ramp
No fees for snorkeling, but local boat ramp fees may apply.
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About this data
- Conditions last evaluated
- Spot data last updated
- Data sources
- Open-Meteo (marine & weather conditions), tide predictions via UTide, community contributors (descriptions, hazards, marine life).
- License
- Spot content licensed under CC BY-SA 4.0. How's the Spot is open source.
Weather & swell ┬╖ Open-Meteo marine & weather APIs Tides ┬╖ UTide harmonic analysis Sea & safety ┬╖ community reports