The Steam Packet company says it's making changes to next week's ferry sailings because of tidal conditions.
The Ben my Chree's sailings have been rescheduled because the water isn't deep enough for the ferry in Heysham.
On Monday and Tuesday, almost of all the vessel's scheduled crossings have had to be rearranged.
Most have been brought forward or delayed by between 30 and 45 minutes.
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