Weekend sailings are in doubt.
Tomorrow's 8.45am voyage to Heysham, and it's 2.15pm return are currently subject to delay or cancellation.
Meanwhile, Sunday's sailings to the Lancashire port could also be affected.
A final decision on Saturday's sailings will be made by 7am tomorrow morning.
Repairs on Peel Power Station to get underway
Manx Care doctor survey to be discussed by Tynwald
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