Strong winds expected to develop over the weekend
Sunday's daytime sailings between Douglas and Heysham are subject to possible disruption or cancellation due to the adverse weather forecast.
Tomorrow morning's 8:45am Manxman sailing is now scheduled to depart Douglas early at 8am.
The 2:15pm return from the Lancashire port is also in doubt.
The Isle of Man Steam Packet says a decision on the sailings will be made before 6:30am tomorrow.
You can find the latest sailing information here.