It's due to adverse weather forecast
The Steam Packet Company is warning its Monday sailings could be subject to disruption or cancellation due to adverse weather.
Ronaldsway Met Office is forecasting gale force eight winds with gusts of 45 to 55 miles per hour on Monday.
The ferry operator says passengers who wish to change or amend their sailings can do so free of charge.
Those booked on Monday's services are urged to keep an eye on the latest sailings information on the Steam Packet's website for further updates.
Manx businesses urged to check whether websites use PHP
Decision to raise freight fuel surcharge 'not taken lightly'
Friday's Larne sailings cancelled due to adverse forecast
Local haulier says latest Steam Packet fuel surcharges can't be absorbed