Sailings tomorrow and Thursday are facing possible disruption.
Due to forecast poor weather, voyages to and from Heysham are subject to delays or cancellation.
A final decision on tomorrow's morning and afternoon sailings will be made by 7am tomorrow morning.
Meanwhile, a decision on Wednesday night's crossing and its return early Thursday morning will be no later than 5.30pm tomorrow night.
Plans for four-foot flood walls at Ramsey harbour
Garage blaze in the early hours of this morning
Art anarchists "hiding gold bars" in Douglas this week
No cases of terror financing through charities
You can now adopt an ambulance
Case for horse tram tracks 'under final review'
Council spends more than £1m on beads for cavities
Police recruitment drop-in sessions tonight