The Steam Packet company says all of today's sailings except one have been called off in the face of bad weather.
The Manannan's 1.30pm sailing to Liverpool and return voyage at 6.15pm have been scrapped.
Also called off is the Manxman's 2.15pm trip from Heysham, after this morning's 8.45am sailing was cancelled.
Passengers affected are being asked to call 661661 to make alternative arrangements.
The 8.15pm Douglas to Heysham crossing on the Ben my Chree will go ahead as planned.
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