The Manxman's had to return to Douglas because of a medical emergency on board.
A spokesperson for the Steam Packet said it was quicker for the ferry to turn around and come back to port in this situation.
The Manxman left Douglas at 7.55am this morning, Tuesday, December 16, bound for Heysham.
The company said an update on the incident would follow.
Stop putting knives in recycling, says council
Douglas Council is asking people not to put knives in recycling boxes.
Bee Gees to release limited-edition box set
The Bee Gees are to release a special collector's set of their biggest hits this month - including previously unreleased material.
Northern Irish politician criticises Manx visa rules
Changes to Manx visa rules for fishing boats have caused a political row in Northern Ireland.
Elective surgical unit opens at hospital
Manx Care says its new Elective Surgical Unit is now open.
Piling rig on TT course tonight
A huge rig used to help build Peel's new sewage plant will be travelling along the TT course this evening.
10-day bus strike from next weekend
A bus strike later this month will see drivers walking out for 10 days.
Yellow snow warning issued by forecasters
Ronaldsway Met Office has issued a yellow weather warning for snow tonight.
Ramsey harbour keeper completes 3,000-Mile Atlantic crossing
A harbour keeper from Ramsey has completed an epic transatlantic voyage, sailing from Gran Canaria to St Lucia.
