The Steam Packet Company says two sailings later will be affected by forecast bad weather.
The Manannan was due to leave Douglas for Liverpool at 3pm, but will now set out at 10am.
Her return voyage will also set off earlier from Merseyside - leaving at 6pm rather than the scheduled 7.15pm.
The North Irish Sea could see gale force winds of up to force 8, according to forecasters.
How much cash can government raise in 10 days, asks MHK
How much cash can the government lay its hands on in 10 days if it needed to?
LegCo considers meeting on a different day
Should the Legislative Council sit on a different day in future?
Extra promenade bus facilities would cost estimated £735k
The Department of Infrastructure says extra bus stops and shelters at the end of Douglas Promenade would cost around £735,000.
Medieval cross returned home to Royal Chapel
A medieval cross dating back to the 10th century has returned to the Royal Chapel of St John's.
Arbory MHKs in "parasite politicians" spat
A question about nicotine pouches has turned into a social media spat between MHKs in the south of the Island.
Tyson Fury's boxing glove sold for £7k in charity auction
Island resident Tyson Fury's boxing glove has been sold for £7,000 at a charity auction.
Parcels may be hit by customs charges under EU rules
The Post Office says new customs rules for parcels sent to European Union countries will come into force next week.
Number of police searches rises by nearly 37 percent
The number of stop searches by police increased by more than a third in the past year.
