Sailings tonight and early on Tuesday are facing potential delays or cancellation.
The Steam Packet Company the 7.45pm voyage to Heysham tonight and its return at 2.15am tomorrow may not go ahead due to poor weather being forecast.
A final decision on both crossings will be made by 5.30pm this evening.
Journeys to and from the Lancashire port this morning and this afternoon are currently unaffected.
Covid wrongful arrest and torture claims thrown out by court
Tree fellers to close part of TT course on Thursday
Manx Utilities wants contractors for HQ refurb
Business needed for Peel coffee shop's 'new chapter'
Regulator freezes gas prices
Billionaire says Island's his favourite place on earth
Planners aren't influenced by advertising, says Cannan
Commissioner to resign over Laxey sewage plans