This afternoon's (Thursday) sailing from Heysham has been brought forward after problems with silting in the Lancashire port.
The Steam Packet Company said this afternoon's sailing from Heysham to Douglas, due to leave at 13:15 will now leave at 12.30.
Passengers are being asked to check-in no later than 12:00.
At the time of writing, this evening's sailing from Douglas to Heysham scheduled for 19:00, remains unaffected.
Castletown police station could be yours... for £250,000
Brewery advertising for operator for landmark Laxey pub
Hospice cafe reopens next week after refurb
Another one bites the gust - as Ramsey rocks cancelled
Mountain Road closed again after crash
Merchant Navy Day to be marked with memorial service
Fundraiser launched for injured MGP rider
Noel back in the saddle after handy pub pumping leaves him smiling