The Steam Packet Company says the Manannan is running behind today.
On its website, it says the 7.15am crossing to Heysham - due to arrive at 9.45am - will arrive late.
No details have been given about the reason for the delay or what time she’s expected to leave port.
The company says passengers can transfer to the Manxman’s 8.45am Douglas to Heysham sailing.
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