There have been changes to today's sailings due to the current weather forecast.
This morning's 8:45 crossing to Heysham will now leave at 8am, with the 2:15pm return scheduled to leave at 12pm.
Further, this evening's 7:45pm sailing and tomorrow's 2:15am journey are both subject to possible disruption or cancellation.
A final decision on these sailings will be made by 5:30pm today.
Weather warning for snow tonight
MHK queries safety at primary school in Ballabeg
Gales put two ferry sailings at risk tonight
Should the Island throw a birthday party for Barry Gibb?
Warning issued over icy roads
High ground could see 4 inches of snow on Saturday night
Mountain Road unlikely to open before Monday
Yellow warning for freezing temperatures tonight