Sailings tonight and early tomorrow morning will set off earlier than previously planned.
The Steam Packet Company has confirmed the Ben-my-Chree service to Heysham tonight at 7.45pm will now leave at 7pm.
Meanwhile it's return to the Island early on Wednesday, previously scheduled for 2.15am will now depart at 12.30am.
Passengers are asked to check for both services no later than 6.15pm and 11.45pm respectively.
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