The Steam Packet Company says a number of sailings on Monday and Tuesday could be facing disruption because of bad weather.
Manxman and Manannan sailings to Heysham and Liverpool could both be affected from 8am on Monday through to 1.45am on Tuesday.
It's as gale force winds are set to blast the Irish Sea.
The company says passengers can amend their bookings free of charge online of by calling its reservations team.
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