Sailings tomorrow and Thursday are facing possible disruption.
Due to forecast poor weather, voyages to and from Heysham are subject to delays or cancellation.
A final decision on tomorrow's morning and afternoon sailings will be made by 7am tomorrow morning.
Meanwhile, a decision on Wednesday night's crossing and its return early Thursday morning will be no later than 5.30pm tomorrow night.
Bus services north and south face disruption later
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