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.
Another cruise ship visit today
Airport passenger figures on the rise
Wildfire risk still extreme despite rainfall, warn firefighters
Further closures for filming of TT movie today
Last day of the Royal Show
Did you see crash in Sulby?
MV Arrow to spend five days in dry dock