The Met Office has issued weather warnings for large parts of the UK as Hurricane Ophelia approaches across the Atlantic Ocean.
The Met Office warned the storm could lead to a potential for injuries and danger to life.
Weather forecasters have issued an amber warning for Northern Ireland on Monday and said there would be a "spell of very windy weather" in the region tomorrow.
"Longer journey times and cancellations are likely, as road, rail, air and ferry services may be affected as well as some bridge closures," the Met Office said.
"There is a good chance that power cuts may occur, with the potential to affect other services, such as mobile phone coverage. Flying debris is likely, such as tiles blown from roofs, as well as large waves around coastal districts with beach material being thrown onto coastal roads, sea fronts and properties. This leads to the potential for injuries and danger to life."
Meanwhile, a yellow warning has been issued for large parts of Great Britain for Monday and Tuesday.
"Power cuts may occur, with the potential to affect other services, such as mobile phone coverage," the Met Office said.
"Some damage to buildings, such as tiles blown from roofs could happen, perhaps leading to injuries and danger to life from flying debris. Coastal routes, sea fronts and coastal communities may be affected by spray and/or large waves.
"The warning has been updated to extend the area at risk further east, taking in much of northern England and Wales along with parts of southern and central Scotland. At the same time, much of northwest Scotland has been removed."
On Tuesday, the storm is expected to continue affecting Northern Ireland and Scotland.