Tidal conditions in the UK means changes to the Manxman's sailings over the next two days.
The Steam Packet company says her Douglas to Heysham sailing will set out at 8am on Thursday rather than 8.45am.
Her return trip from Lancashire will set off at 1.15pm, an hour earlier than scheduled, while her evening sailing from Douglas will leave at 7.15pm instead of 7.45.
On Friday, the vessel is due to leave Heysham at 2.15am but will now set sail at 1.50am.
Rapists's appeal against sentence thrown out
Last chance to become next TT's charity partner
No gas price hike after regulator review
Cafe hits back after staff abused
Online appointments being considered by sexual health clinic
Treasury can’t say how much is made from medicinal cannabis
Road closures planned for tin baths this weekend
DOI has no junction safety concerns over Iceland plans