Located just 10 minutes east of the Low Head lighthouse off the Tamar River mouth, Two Mile Reef is a semi-submerged anomaly of bull kelp and rubble reef that barely breaks the surface at high tide. This small, exposed reef is a renowned spring and early-summer hotspot for southern calamari, attracting experienced boat-based snorkelers and divers who brave the brisk Tasmanian temperate waters for close encounters with squid, cuttlefish, and the vibrant kelp forest ecosystem. The reef's isolation and strong tidal flows keep it pristine, offering a true wild snorkel experience on the edge of Bass Strait.
Two Mile Reef
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Wave Height 0.1 mSwell Period 3.8 sWind Speed 4.1 knPrecipitation 19 mmTidal Phase flood
Last evaluated
DANGER: Explicit Risks Present
Two Mile Reef has hazards marked as danger. Entering the water here means you may face serious risks to your personal safety.
- Outgoing Tide Current danger
Strong tidal flows off the Tamar River mouth create powerful currents, especially on an outgoing tide. Snorkelers must time their visit carefully or risk being swept away from the reef.
The spot
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Community contribution: submitted by Daniel
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High risk: Outgoing Tide Current
Strong tidal flows off the Tamar River mouth create powerful currents, especially on an outgoing tide. Snorkelers must time their visit carefully or risk being swept away from the reef.
Moderate risk: Semi-submerged Reef at High Tide
The reef sits just below the surface at high tide, creating a navigation hazard for boats and making it difficult to rest or stand. At low tide it may be partially exposed but still hazardous.
Moderate risk: Cold Water Temperature
Tasmanian temperate waters are cold year-round; 7mm wetsuit or drysuit essential. Hypothermia risk without adequate thermal protection.
Moderate risk: Boat Traffic
The reef is a popular fishing and squid-jigging spot accessed by boat. Snorkelers must be vigilant for boat traffic and consider using a dive flag.
Low risk: Bull Kelp Entanglement
Dense bull kelp covering the reef can snag fins or gear. Snorkelers should carry a dive knife and remain aware of their surroundings.
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Getting in
Boat
Entry
Launch from George Town or Low Head on the Tamar River. Head approximately 10 minutes east-northeast from the Low Head lighthouse into Bass Strait waters. The reef is a small anomaly visible by breaking swells or kelp at low tide. GPS navigation recommended. Not accessible from shore — boat access only.
Parking & facilities
Park at the Low Head boat ramp or George Town jetty area. Free parking available at both launch points.
parkingboat_ramp
No fees for the reef itself. Standard Tasmanian boat registration and ramp fees may apply at some facilities.
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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