Coastal areas could experience gusts up to 80mph, posing dangers from flying debris and large waves. The Met Office has issued yellow weather warnings for wind and rain in areas including Manchester, Sheffield, Liverpool, Bangor, St Davids, parts of north-east Scotland, and Northern Ireland.
The storm is expected to cause potential flooding, travel delays, power cuts, and impact the morning commute, especially in the Republic of Ireland. In addition to the wind, heavy rain is anticipated in Northern Ireland.
The severe weather could lead to difficult travel conditions, with possible road and bridge closures and disruptions to rail, air, and ferry services. There is also a risk of power cuts affecting mobile phone coverage.
Coastal areas are warned of large waves causing potential damage to seafronts and properties. Storm Debi is expected to move into the North Sea by Monday evening, following the recent disruptions caused by Storm Ciarán.