Three ferry services between Plymouth and Roscoff and Plymouth and Santander have been cancelled.
The services are facing ongoing disruption after a fire on one of the vessels at the end of April.
Brittany Ferries said the disruption would continue until 12 May when they expect the Pont-Aven to resume service.
It's currently in the French port of Brest awaiting repairs.
Brittany Ferries sent its passengers the following text message: