Almost 40 schools will remain closed on Friday in Wales as Storm Éowyn brings severe gales.
Several weather warnings have been issued by the Met Office, with coastal gusts of up to 90mph (145km/h) forecast under an amber warning in parts of north Wales.
Power cuts, damage to homes and buildings and flooding is likely, according to forecasters.
Travel disruption is expected on rail, road and ferry services, with ferry sailings cancelled into Friday afternoon and rail operators warning customers to anticipate cancellations and delays.
A yellow warning for heavy rain is also in place across most of Wales for Friday morning.
Some 33 schools on Anglesey and five in Gwynedd will remain closed on Friday due to harsh weather conditions.
Several ferry services running to and from Dublin to Holyhead have been cancelled into Friday afternoon, Stena Line announced on Thursday.
In a joint statement, Transport for Wales and Network Rail asked all customers to check before they travel on Friday and into the weekend as delays and cancellations were expected.
It added that trains would not run on some lines and speed restrictions would be implemented on some locations to minimise potential disruption.
Rail operators Avanti West Coast, CrossCountry, and Grand Central have also warned customers not to travel on routes across parts of north Wales and Scotland.
An amber warning is in place from 06:00 GMT on Friday until 21:00 and covers Anglesey, Conwy, Denbighshire, Flintshire and Gwynedd.
Two further yellow weather warnings are in place on Friday, with one warning for wind covering the whole of Wales all day and another for rain in places until 09:00.
The rain warning covers Blaenau Gwent, Bridgend, Caerphilly, Cardiff, Carmarthenshire, Ceredigion, Conwy, Gwynedd, Merthyr Tydfil, Monmouthshire, Neath Port Talbot, Newport, Pembrokeshire, Powys, Rhondda Cynon Taf, Swansea, Torfaen and Vale of Glamorgan.
Storm Éowyn is the fifth named storm of the 2024-25 season, which began in October.
