Tides in Lancashire mean Steam Packet crossings have been rescheduled today.
The Ben my Chree was due to leave Heysham at 2.15pm - that's now been put back until 3.30pm.
Meanwhile, tonight's 7.45pm sailing from Douglas has also been affected and will now leave at 8.15pm.
The company says tidal conditions in the UK may also affect three crossings tomorrow.
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