The Cook Strait ferry Aratere will resume freight-only services tonight after testing today, but passengers will have to wait until Tuesday.
Interislander general manager Thomas Davis said a rail freight-only sailing would leave Wellington about 11.30pm, and freight-only sailings would operate tomorrow.
But the Interislander has cancelled Aratere's scheduled passenger sailings for today and tomorrow and passengers had been offered alternative arrangements, he said in a statement.
There were also no passenger sailings scheduled for Sunday or Monday, because of a layby scheduled before last Monday's breakdown in the Marlborough Sounds.
Interislander's other ferries, Arahura and Kaitaki, are operating as normal.