Guernsey resident Gary Trimbee-Laine criticised the decision to change the schedules at Christmas.

“It’s meant I’ve had to take an extra day-and-a-half of annual leave and my manager was not happy, as he’ll have to find cover.”

Mr Trimbee-Laine said he was “really angry” about the changes to the schedule, despite being re-booked on the Condor Islander with a cabin.

“Having to change my holiday time has just left a bad taste in my mouth,” he said.

He was initially offered a space on the Condor Liberation, which he said was an issue as his wife was “petrified” of sailing on the fast-ferry in autumn and winter.

Brittany Ferries has said the “Condor Liberation resumes service on 19 December after her annual maintenance and will operate additional sailings from Poole.

“Commodore Goodwill and Condor Islander are also running six and seven days per week respectively to keep the islands connected and supplied,” it also said.

Deputy Oliver said she was also concerned about having to rely on the Liberation during winter: “I am nervous it may not run around Christmas.”

Committee for Economic Development President Deputy Neil Inder said he would sign a contract for Brittany Ferries to run ferry services to and from Guernsey on Tuesday, but that did not happened and the States of Guernsey has not commented on the delay.