The Steam Packet Company says two TT sailings to Liverpool will be from Heysham instead.
Pier Head operator Global Ports Holding says the sailings on June 2 and 3 won't be able to use the Mersey landing stage.
The Manannan will operate the crossings, which will take two and a half hours hours, rather than the usual three hours from Liverpool.
The company says coaches will take foot passengers from Liverpool to Heysham and vice versa.
Shoplifting dropped slightly last year, figures show
Shoplifting on the Island rose sharply after lockdown, but dropped last year, according to figures from the police.
Why are hospitality jobs being lost?
Why has unemployment risen in two sectors of the economy over the past few years, and what's the government doing about it?
Proof of age to view porn online to be questioned in Tynwald
Will people on the Island have to prove they're 18 before they can watch online porn, under new laws from the UK?
Fire service frees Khazi captive
Firefighters had to be called out when someone got stuck in a public toilet at the weekend.
Take a stroll back through time with keeills tours
A series of walks to explore the Island's keeills is taking place this week.
Traffic restrictions around S100 course
Parts of the Southern 100 course have traffic restrictions today.
Do Peel commissioners want housing or not?
Are Peel commissioners objecting to housing plans they asked for?
Manx phone markets comparison being reviewed
The Island's telecoms regulator says it's looking into how much competition there is in the Manx mobile phone market.
