And timings of others also changed
Two sailings have been cancelled due to tidal conditions in Heysham Port.
The Steam Packet has scrapped tomorrow’s 7.45pm Manxman crossing to Heysham (12 December).
The return journey at 1.45am on Friday (13 December) is also off.
Passengers are being told they can amend their bookings free of charge.
The conditions at the port have also caused the timings of some future sailings to be changed.
Tonight's (11 December) 7.45pm sailing has been rescheduled and will now depart at 10pm.
Seven others have also been changed - you can find the full details HERE.
Seven acts promulgated in final Tynwald Day ceremony before election
Sharp rise in data breaches on Island, says Information Commissioner's Office
Footage circulating on social media 'now an active investigation'
Annual Tynwald Day celebrations to get underway
Full legal protection granted to the common thresher shark