Hi Ian,
I work in the Port so it is a bit easier for me.
Since the introduction of ISPS the security has been tightened and effectively nobody is allowed in the Port unless on official business.
There are two sides ( a bit like an airport ), the outer area, which includes the Dock Basin, is less restricted than the inner, working area, where the ships are berthed.
A special Dock pass , issued by the Port Police, has to be in your possession before you can enter the inner area. A
Just about impossible to get anywhere decent to take photographs. Shotley is still a good vantage point.
Regards,
Rick