The Steam Packet Company has cancelled two sailings in the face of bad weather.
The Manxman's 7.45pm Douglas to Heysham sailing and her return trip at 2.15am have both been called off.
Two sailings tomorrow are also at risk - the 8.45am crossing from Douglas and 2.15pm return from Heysham.
A decision on those is expected to be made by 7am on Tuesday.
Isle of Man Energy confirms no gas price rise
Countdown on for World Downhill Skateboarding Championships
Laxey's La Mona Lisa changes hands after 22 years
Cruise ship to visit the Island today
MHK says minister could have avoided blushes with earlier warning
Bad weather means two ferry crossings cancelled
Commissioner hits out at "nuisance" campervans
Livestock worrying consultation ends this week