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Fireworks will be set off tonight to mark the inaugural cruise of Spirit of Discovery.
The display is from 9.45pm and the sailing around Britain starts straight after that.
The fireworks are organised by the Port of Dover.
A spokesman said: "There is no access to the cruise terminals. However good viewing points for the fireworks are at the end of the new pier which will stay open a little later than normal, or the beach or cliffs."
The new Saga cruise liner was officially named by Camilla, Duchess of Cornwall, at a ceremony last Friday at Dover Western Docks.
Recently-retired Bishop of Dover Trevor Willmott took part on the blessing and other diginaries included town mayor Gordon Cowan and local MP Charlie Elphicke.
Musician Jools Holland played for guests on board that evening.
Spirit of Discovery is the first of two new passenger ships for Folkestone-based Saga.
It has room for exactly 999 guests and 521 crew.
It has a gross of 58,250 tonnes, is 774.3ft long and has a maximum beam of 102.4ft.