Typical maximum draft appear to be 5m or under.
What such proposed large shipping will have to contend with if it actually could enter, berth and exit the Clarence River which is situated on an extensive flood plain:
Des Euen, the ex-lorry driver from Queensland, has put forward a number of variations on his proposal for the Port of Yamba.
One he has taken to denying since 2013 is the plan to turn the port into a coal loading facility.
This is what Mr. Euen stated in an ABC News item on 27 May 2014:
Yet this is what can still be found on his website to date at
http://www.ypraust.com.au/competitive-edge/ and http://www.ypraust.com.au/?s=competitive:
To make it perfectly clear here is the relevant passage again:
CSIRO map showing the Surat Basin which has existing and proposed new coal mines in the NSW section: