Vessel left Heysham late overnight
Passengers booked to travel on this morning's Manxman sailing to Heysham are facing a two-hour delay.
The 8am departure to Heysham is now expected to leave Douglas at 10am due to the late arrival of the overnight crossing.
The vessel didn't depart Heysham until 4.37am, and isn't expected to arrive into the Manx capital until 8.20am.
The ferry operator is warning the 1.45pm crossing will also run with a delay, with a further update to be issued later this morning.

Rider dies following MGP qualifying incident
Four freed from car after Foxdale crash
‘Cover-up’: Details of ‘peaceful protest’ at prison disputed
Castletown Commissioners brands Market Square vandalism an 'act of stupidity'