At the mouth of the vast Tamar River estuary where it meets Bass Strait, Low Head Deep Reefs offer some of Tasmania's most spectacular underwater terrain. The deep rocky reefs drop steeply into the channel, carved by powerful tidal flows that flush nutrient-rich water through the system. Here, dense kelp forests carpet the boulder-strewn seabed, interspersed with soft corals and sponge gardens. The convergence of river and ocean creates a dynamic ecosystem where pelagic species patrol the drop-offs. Divers and snorkelers who brave the cooler Tasmanian waters are rewarded with exceptional visibility, especially during winter months, and encounters with schooling fish, rays, and curious seals drawn to the productive reef system.
Low Head Deep Reefs (Tamar River entrance)
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Wave Height 0.5 mSwell Period 5.0 sWind Speed 0.8 knPrecipitation 14 mmTidal Phase flood
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DANGER: Explicit Risks Present
Low Head Deep Reefs (Tamar River entrance) has hazards marked as danger. Entering the water here means you may face serious risks to your personal safety.
- Strong outgoing tide currents danger
Powerful currents rip through the Tamar River entrance as the large tidal volume exits into Bass Strait, creating hazardous conditions for snorkelers.
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Community contribution: submitted by Daniel
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High risk: Strong outgoing tide currents
Powerful currents rip through the Tamar River entrance as the large tidal volume exits into Bass Strait, creating hazardous conditions for snorkelers.
Moderate risk: Cold water temperatures
Tasmanian waters are cold year-round, requiring a thick wetsuit (7mm) or drysuit. Risk of hypothermia for inadequately equipped snorkelers.
Moderate risk: Boat traffic
The Tamar River entrance is a busy commercial and recreational boating channel with large vessels, requiring constant vigilance.
Low risk: Deep reef drop-offs
The reef drops steeply into deep water with little warning, posing a risk to inexperienced snorkelers unfamiliar with depth changes.
Low risk: Variable visibility
Visibility can change rapidly with tidal flows and river runoff after heavy rain, occasionally dropping to near-zero in the estuary mouth.
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Getting in
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Entry
From Launceston, take the East Tamar Highway (A8) north to George Town (51 km), then continue north on Low Head Road for approximately 6 km to the Low Head township. The deep reefs are accessed via boat or kayak launched from the Low Head boat ramp near the historic pilot station.
Parking & facilities
Limited parking available near the Low Head boat ramp and at the Low Head Historic Site. Arrive early on busy summer weekends.
parkingtoiletsboat_ramp
No entry fee for the Low Head area. Boat ramp usage may have a small fee.
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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