Fish Rock is a small, rugged island rising 2 km off Smoky Cape near South West Rocks on the NSW North Coast, home to Australia's only true natural ocean cave — a 125-metre tunnel that runs straight through the rocky outcrop. Snorkelers and divers are greeted by swirling schools of bullseyes, crayfish in crevices, stingrays, wobbegong sharks, and the star attraction: a large aggregation of critically endangered grey nurse sharks that patrol the cave entrance year-round. The landscape underwater is a dramatic maze of gullies, boulders, and a wide shallow exit glowing with deep blue light, making this one of Australia's most celebrated aquatic sites.
Fish Rock
IntermediateMAYBE
MAYBE
Fair. Experienced snorkellers only.
Showing last known conditions
Wave Height 0.8 mSwell Period 7.3 sWind Speed 13 knPrecipitation 0.0 mmTidal Phase flood
Last evaluated
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Community contribution: submitted by Daniel
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Moderate risk: Strong ocean currents
Offshore location 2 km from shore can experience strong currents and rips around the island.
Moderate risk: Confined cave environment
The 125 m cave through the island is narrow, dark, and not suitable for claustrophobic or inexperienced swimmers.
Moderate risk: Tidal currents
Strong tidal flows run through the Fish Rock channel and around the island, especially during incoming and outgoing tides.
Moderate risk: Swell and wind exposure
The site is exposed to southerly swells and ocean chop; conditions can deteriorate quickly, making boat access unsafe.
Low risk: Boat traffic
Accessible only by boat; snorkelers must be vigilant of dive and charter vessels in the area.
Low risk: Whale presence (May–Oct)
May through October, migrating humpback and other whales frequent these waters, creating the risk of close encounters for snorkelers and boaters.
Wildlife Guide
No wildlife notes for this spot yet.
Gallery
2 photos from the community
Getting in
Boat
Entry
Fish Rock is located approximately 2 km southeast of Smoky Cape, off the coast of South West Rocks, NSW. The closest launch point is Horseshoe Bay or the South West Rocks marina. Boat access is required; several local operators (e.g., South West Rocks Dive Centre, Fish Rock Dive Centre) run daily trips to the island.
Parking & facilities
Parking available at Horseshoe Bay caravan park and the South West Rocks marina area.
parkingtoiletsshowerspicnic_tables
No entry fee for the site itself, but boat charter fees apply with local operators (typically $100–$200 per person for a half-day trip).
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Gallery ┬╖ 2 photos
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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