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.
Peel ready for bonfire and fireworks later
Government: "UK never told us about child murderer"
Farm shop's newest worker needs your name suggestions
Bus Vannin gives update on staffing problems and routes affected today
Toilets vandalised for fourth time in a month
Poppy gets fur-ever home after sparking rescue operation in Douglas
Council gets eight complaints about James Brown in six months
More bus staffing problems this weekend