More are also subject to possible disruption or cancellation
A number of sailings to and from Heysham this week have been cancelled because of the forecast adverse weather.
The 6.30pm tomorrow (Wednesday 4 February) and its return at 1.45am on Thursday (5 February) won't now be running.
The Isle of Man Steam Packet says the 8am Heysham sailing and its return at 1.45pm that day are also subject to possible disruption or cancellation.
A final decision will be made by 6am on Thursday morning.
Qualifying session cancelled due to weather
Mountain Course conditions unlikely to improve
Arrow returns to service after repairs
Steam Packet vessel spent several days in dry dock after oil leak found
Sixth candidate to stand in Douglas Central
George Hargreaves makes House of Keys bid
Reports of people not listening to marshals on day one of MGP
Police issue warning as qualifying underway on Snaefell Mountain Course