Steam Packet confirms Ben-my-Chree will now leave at 1.15am.
The Steam Packet Company has brought forward its overnight sailing due to the weather forecast.
The ferry operator says the 2.15am departure from Heysham will now leave the Lancashire port at 1.15am.
Passengers are asked to check in by 12.30am.
Winds reaching up to gale force eight are expected in the Irish Sea tomorrow morning.


Ard-Shirveishagh hopes he's given members enough time to consider 'Charter for Change'
Live video streaming 'significant step' in making parliament more accessible
Treasury: 'Challenging to justify support for heating oil customers'
Increase of more than 500 patients for mental health services over last 12 months