Most sailings will depart an hour later
More Steam Packet sailings are being rescheduled.
Journeys from this afternoon (Monday) until Wednesday morning (29 November) will leave later than originally expected.
The Steam Packet Company says it's due to tidal conditions in Douglas Harbour.
This afternoon's 2.15pm crossing from Heysham will now depart at 2.45pm whilst the evening service from Douglas - originally scheduled for 7.45pm - will now leave at 8.45pm.
The rest of the sailings are:
Anyone who needs to contact the Steam Packet Reservations Team can call 661661.
Gas supplier provides reassurance amid ongoing global market volatility
Farmers in race against time after freight backlog in Heysham
Further changes to sailing schedule due to tidal restrictions
Census 'still one of the most valuable statistical tools' for government
'Immigration is needed' for economic growth on Island