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.
Warning against parking illegally at Douglas War Memorial
Constabulary says it has received a 'number of complaints'
Liverpool Airport patient quiet lounge to stay in its current location permanently
Manx Breast Cancer Support Group says it's 'really pleased'
Fine for Douglas man who subjected taxi driver to racist abuse
67-year-old also refused to pay his fare
Weather warning issued for Thursday as high winds and tides continue
Yellow warning in place for coastal overtopping and inner harbour flooding