Tomorrow's crossings could also be affected
Both of today's sailings to and from Heysham have been cancelled.
The decision has been made due to adverse weather conditions.
The Steam Packet Company is also warning tomorrow's Manannan crossings are both subject to possible disruption or cancellation.
A decision will be made on whether the sailings will go ahead by 8am tomorrow.
Immigration fraudster who faked job offers jailed
Capital spending outcomes fluctuate across eight-year period, Treasury figures show
Peel Commissioners to set off fireworks off from Peel HillĀ
Complaints to Manx Care rise sharply, as oversight report urges cultural reform