Tomorrow's crossings could also be affected
Both of today's sailings to and from Heysham have been cancelled.
The decision has been made due to adverse weather conditions.
The Steam Packet Company is also warning tomorrow's Manannan crossings are both subject to possible disruption or cancellation.
A decision will be made on whether the sailings will go ahead by 8am tomorrow.
Manx Care's 'Home First approach' sees high demand
Healthcare body publishes its annual report
Former church could be converted... back to church
It was added to the Protected Buildings Register in 1984
Manx Concert Brass heads west
Free concert in Peel Cathedral from 7:30pm
Isle of Man set for Remembrance Sunday
Services will take place around the Island
