Final decision to be made by 5.30pm tomorrow
The Steam Packet Company is warning of potential disruption to some of tomorrow's sailings.
The 7.45pm crossing to Heysham and the return service at 2.15am on Monday could be changed or cancelled due to the weather forecast.
Winds reaching severe gale force nine are expected tomorrow evening.
The operator will make a final decision by 5.30pm tomorrow.
Maritime operation will 'map, exploit and dismantle' illicit networks
Operation Emstara took place in Irish Sea
Witness appeal after man is assaulted in Douglas
Police believe incident was filmed
Next chief minister faces 'very difficult decision' on Alfred Cannan
Alex Allinson says the current chief minister could have a big impact on the next Council of Ministers
Manxman repairs expected to exceed £2.5m
The Steam Packet's flagship has been out of action since July