Steam Packet passengers are being warned of potential disruption to upcoming sailings.
Sailings are expected to go ahead as planned tonight - there had been fears bad weather would disrupt the 7.45pm sailing to Heysham.
Tomorrow morning's 2.15am return journey to Douglas will now depart at 1.30am - passengers are asked to check in no later than 1am.
A final decision on the rest of the day's sailings will be made at 7.15am tomorrow.