Due to forecasted high wind and sea conditions, Marine Atlantic has cancelled all sailings for today from both North Sydney and Port Aux Basques.
The Friday sailings at 11:45 a.m.from both ports have also been cancelled.
Customers currently booked on these sailings will be rescheduled to the "next available" departure.
Marine Atlantic expects the Friday 11:45 p.m. sailings from both ports will also be affected.
Customers are advised to keep in contact with the company for further updates.