Some sailings today have been cancelled due to the weather conditions.
This morning's 8:45am journey to Heysham and its 1:45pm return will not be going ahead.
This evening's crossing at 7:45pm is currently at risk of disruption or cancellation, with a decision to be made by 5:30pm.
All of tomorrow's sailings and Wednesday's early morning crossing are also currently in doubt.
High ground could see 4 inches of snow on Saturday night
Mountain Road unlikely to open before Monday
Yellow warning for freezing temperatures tonight
School bangers night called off
AK47 and Uzi handed in to police
"No dispute" over Liverpool Ferry Terminal, says main contractor
More weekend bus strikes to come after 10-day walkout?
Minister to face question about bus strike