The Ben-my-Chree sailing from Heysham to Douglas in the early hours of tomorrow morning (Thursday) has been brought forward.
It'll now leave the Lancashire port at 1.45am.
The change has been made because of tidal conditions there.
Anyone travelling on it is asked to check in no later than 1.30am.
Steam Packet urged to be more 'transparent' over Manxman issues
Nature of work keeping boat in dry dock goes unexplained
Government needs to 'break the cycle' of child poverty on Island
Committee report accepted by Tynwald in court's final sitting
Proportion on waiting lists likely higher than England
Manx Care aiming for 95% of patients to be seen within a year
Sixth candidate declares for Glenfaba and Peel
Peel Commissioner and former MHK to contest election