Mallacoota Inlet

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The Mallacoota estuary is currently closed to the sea.

You can monitor water levels by referring to the gauge mounted on the jetty next to the public boat ramp.

Gippsland Ports provides a Mallacoota Webcams (Bastion Point) service for live viewing of ocean access conditions.

Pattern of closures

Mallacoota Inlet closes infrequently but, when closed it can remain so for a considerable period of time. Closures can last anywhere between 9 months and 3 years with a relatively static water level until high inflows cause flooding of the foreshore.

Sand transport from the east during either storms or persistent currents is the most likely closure mechanism.

There have been three recorded closures in the past 15 years (October 2004, February 2010 and November 2017). 

Location of flooding

When closed, the water level remains around 0.8m for a prolonged period. Water levels can be determined by viewing the gauge mounted on the jetty at the boat ramp.

Flooding can occur over wharves, camping areas, car parks, boat ramps and moorings.

Level required for a successful opening

It is unlikely that a successful opening can be achieved when the water level is below 1.5m. If an opening is to be attempted in a westerly location, water levels need to be higher (>1.7m) as the sand build up inside the estuary will prevent a rapid connection to a deep channel.

In the past, there has been a long period of closure and the water level has remained relatively static.  The opening is then likely to be required at very short notice with a forecast of heavy rainfall. The hydrological response time of the catchment will give, at best, a couple of days’ notice before floodwaters rise rapidly requiring an opening to be initiated.

Responsibility for an opening

Parks Victoria coordinates the works component of the opening which is approved by East Gippsland CMA.

Location of gauge

A gauge has been mounted on the public jetty near the boat ramp.

Further Information

Printed information about estuary entrance management at Mallacoota Inlet can be obtained here (PDF, 320KB).

We acknowledge the traditional owners of country throughout East Gippsland and pay our respects to them, their culture and their Elders past, present and future.