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The Potholes

IntermediateMAYBE
MAYBE

Fair. Experienced snorkellers only.

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Wave Height 1.2 mSwell Period 7.1 sWind Speed 6.3 knPrecipitation 1.2 mmTidal Phase ebb

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The spot

Community-maintained

Community contribution: submitted by Daniel

The Potholes is a spectacular spur-and-groove reef formation at the southern end of Lord Howe Island's fringing lagoon. Named for its series of underwater canyons and channels carved perpendicular to the reef edge, this unique geological feature creates a maze of coral-lined swim-throughs and lava-tube-like grooves that teem with marine life. The calm, crystal-clear lagoon waters make it one of the island's most sought-after snorkeling destinations, offering an intimate encounter with vibrant coral gardens, colourful reef fish, and the occasional Galapagos shark cruising through the deeper channels. The surreal underwater topography — described as 'Jurassic lava tubes' — makes every snorkel feel like exploring an ancient submerged world.

Know before you go

Logged by the community, confirmed by mods

  • Moderate risk: Tidal currents near reef edge

    The Potholes are located near the outer reef edge of the lagoon where tidal currents can be strong, especially during outgoing tides. Snorkelers should be aware of water movement that could push them toward the reef.

  • Low risk: Sharp coral and rock

    Sharp coral formations and rocky reef edges are present in the spur-and-groove channels. Reef shoes are strongly recommended to avoid cuts.

  • Low risk: Swell and wind conditions

    The Potholes can be affected by southerly swells and wind, making conditions rough and reducing visibility, particularly in winter.

  • Low risk: Lagoon swell surge

    Swell can occasionally wrap around the reef into the lagoon, reducing visibility and creating gentle surge. Best on calm days.

  • Low risk: Reef shark presence

    Small Galapagos sharks and other reef sharks occasionally patrol the lagoon, but are not aggressive.

  • Low risk: Wind chop on lagoon

    The lagoon is protected behind the fringing reef, but conditions can change with wind and tide. Strong southerly winds can create choppy surface conditions on the southern lagoon.

  • Low risk: Tidal current through reef passages

    The lagoon is tidal and water flow can pick up around reef passages. Snorkelers should be aware of tidal movement when drifting over coral bommies.

  • Low risk: Shallow coral bommies

    Parts of the reef in the lagoon are shallow with sharp coral bommies. Snorkelers should maintain buoyancy awareness to avoid contact with fragile coral.

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Getting in

Shore entry
Entry

The Potholes are located at the southern end of Lord Howe Island's lagoon, near the reef edge. Access is easiest by walking from the southern beaches or by taking a short swim from shore. Many visitors access the area via guided snorkel tours that depart from Lagoon Beach.

Parking & facilities

Parking is available near the lagoon beaches on Lord Howe Island. The island is small and bicycles are the primary mode of transport; there is no dedicated parking lot at The Potholes itself, but the southern lagoon beaches are accessible via the island's road network and bike paths.

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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