Helen Rock (aka Helens Rock) is a magnificent submerged granite pinnacle rising from 20m depth to just 2m below the surface, located about 1 km offshore from Tower Hill in Armstrongs Bay on Victoria's Shipwreck Coast. This spectacular dive and snorkel site is swathed in vibrantly coloured soft corals, gorgonians and sponges, and is always surrounded by pelagic fish like Kingfish, Yellowtail and Trevally. A true photographer's paradise, the rock sits offshore between Warrnambool and Port Fairy, offering a wild, exposed encounter with Victoria's rugged southern ocean marine life. Access is by boat only, requiring calm conditions with minimal swell.
Helen Rock (Helens Rock)
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Poor conditions. Stay out today.
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Wave Height 1.4 mSwell Period 10 sWind Speed 14 knPrecipitation 29 mmTidal Phase slack
Last evaluated
DANGER: Explicit Risks Present
Helen Rock (Helens Rock) has hazards marked as danger. Entering the water here means you may face serious risks to your personal safety.
- Swell and Rough Conditions danger
Perfectly calm waters with minimal swell are required; this exposed offshore site is only diveable in ideal conditions.
- Submerged Pinnacle danger
The rock pinnacle rises to just 2 m below the surface — a serious hazard to boats and unwary swimmers. Approach with extreme caution.
- Submerged pinnacle (shallow rock head) danger
The top of the reef sits only 2 metres below the surface — easily struck by boats or swimmers unaware of the reef's location.
The spot
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Community contribution: submitted by Daniel
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High risk: Swell and Rough Conditions
Perfectly calm waters with minimal swell are required; this exposed offshore site is only diveable in ideal conditions.
High risk: Submerged Pinnacle
The rock pinnacle rises to just 2 m below the surface — a serious hazard to boats and unwary swimmers. Approach with extreme caution.
High risk: Submerged pinnacle (shallow rock head)
The top of the reef sits only 2 metres below the surface — easily struck by boats or swimmers unaware of the reef's location.
Moderate risk: Submerged Pinnacle Hazard
The top of the rock sits just 2 metres below the surface, making it a navigation hazard for boats approaching the site.
Moderate risk: Strong Ocean Currents
The site is subject to currents that can be strong, requiring good conditions and careful timing.
Moderate risk: Ocean Currents
The site is subject to unpredictable currents, especially around tide changes. Requires good conditions and awareness.
Moderate risk: Exposed Offshore Location
Located 1 km offshore in open ocean. Only suitable in perfectly calm, low-swell conditions. Swell can pick up rapidly.
Moderate risk: Strong currents
The site is subject to variable currents that can sweep snorkelers off the reef. Ideal conditions require perfectly calm, minimal swell.
Moderate risk: Boat traffic hazard
Helen Rock is a known navigation hazard for mariners; snorkelers share the area with vessels accessing this offshore pinnacle.
Moderate risk: Offshore swell exposure
Open to Southern Ocean swells on Victoria's Shipwreck Coast; conditions can deteriorate rapidly, making exit difficult.
Low risk: Cold Water Temperatures
Southern Ocean waters are cold year-round, requiring a thick wetsuit (7mm+ recommended) or drysuit.
Low risk: Remote Offshore Location
Located 1 km offshore with no shore access; boat-only access means self-sufficiency is essential.
Low risk: Boat Traffic
The site is a navigation hazard marked for boats; snorkelers must stay vigilant for vessel traffic approaching the area.
Low risk: Cold water & deep drop-offs
Water depth plunges to 20 metres around the pinnacle; cold Victorian waters require appropriate wetsuit thickness.
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Getting in
Boat
Entry
Located approximately 1 km offshore from Tower Hill, in Armstrongs Bay, between Warrnambool (east) and Killarney/Port Fairy (west), about 270 km west of Melbourne on Victoria's Shipwreck Coast. The site is reached by boat from the Port Fairy - Griffiths St Boat Ramp, or alternatively from the Killarney Bay Ramp, Killarney Bay East Ramp, or Warrnambool (Lady Bay) boat ramp.
Parking & facilities
Parking is available at the boat ramps: Griffiths Street, Port Fairy; Killarney Bay; and Lady Bay, Warrnambool.
parkingboat_ramp
No fees for snorkeling, but boat launching fees may apply at some ramps.
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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