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Shallow depth warning for Patterson River entrance

Friday 4 August, 2017

Parks Victoria has issued a shallow depth warning to recreational boat operators after unseasonal conditions increased natural sand movements along the coast near the mouth of Patterson River.

As the Local Port Manager for Port Phillip, Parks Victoria regularly monitors water depths at the entrance to Patterson River as part of the ongoing maintenance dredging program to facilitate safe boating access to Port Phillip.

Vessel operators are advised to navigate with extreme caution and to always check local conditions including water depths, weather and tides before putting a vessel in the water.

Conditions and water depths vary naturally and there is no guaranteed level of water depth at the mouth of Patterson River.

A Notice to Mariners is current for this site, and a copy of the latest Patterson River - Depth Survey is available on the Patterson River page of this site.

The dredge vessel is currently undertaking works as part of the Portarlington Safe Harbour project and will be mobilised as soon as possible pending suitable weather conditions.

For more information, call Parks Victoria on 13 1963 or visit

The following quotes are attributable to Parks Victoria Acting Regional Director of Melbourne Marine and Maritime, Victor Teoh:

“It’s really important that vessel operators understand they are responsible for the safe navigation of their vessel and that includes knowing local conditions before launching their vessel.”

“The latest survey has indicated water depths at the entrance of Patterson River have reduced significantly in a short period of time due to recent conditions in Port Phillip.  Some areas of the entrance have registered depths as low as -0.7m (chart datum).”

Media enquiries
Jarred Parsons
8427 2403

Parks Victoria media centre