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.
Mountain Road reopens
Route has been closed since Wednesday due to icy conditions
Patients 'strongly satisfied' with virtual GP pilot
Service to be evaluated before decision on whether to expand to other practices
Island to mark the golden anniversary of the Millennium of Tynwald
Tynwald Ceremony Arrangements Committee to oversee the organisation
Douglas Council looking for residents views on the future of Noble's Park
Local authority wants to know what could be improved in the area
Tynwald backs major overhaul of Isle of Man planning system
A more efficient, user-friendly process is promised