Two Steam Packet Company sailings overnight could be facing disruption.
The Manxman's 7.15pm Douglas to Heysham crossing, and her return at 1.45am are both at risk.
Gale force winds are expected to blast the Irish Sea later.
A decision on both sailings will be made by 5.15pm this evening.
New schedule aims to make sure Senior TT goes ahead
Wats declares for Arbory, Castletown and Malew
Temperatures struggled to hit 15°C in May
Commissioners appeal for PJs for sick children
Southern 100 organisers ban sidecars for 2026
WATCH: Ramsey cat's near miss on claws-ed roads!
Grandstand fan park to re-open after closure
Ramsey cafe "blown away" by community response after leak