Commuters are also being told to avoid going into the office if they are able to.
There have been over 10,000 power outages across 14 regions in UK with Devon and Cornwall worst affected.
In Jersey, a state dependency of the UK, 35 people were moved to hotel accommodation overnight due to concerns of the weather conditions there.
Another three have been forced to seek refuge in the local hospital.
Describing the devastation caused overnight, local resident Jenny said: "When the hailstones came, which was around about 12 'clock, it sounded like they were going to break through the roof of the ceiling. They were so large."
Large waves have smashed into coastal towns with severe flood warnings in place
Delays are expected to train services, with debris being hurtled onto the tracks in Storm Ciaran's strong winds
"They were as big as 50p pieces if not bigger," she added when speaking to the BBC.
"Jersey has been hit really badly. The St Clemency area was hit by a sort of tornado during the night."
An amber wether warning - the second most severe - is in place from 6am to 5pm with winds expected to reach up to 85mph and large waves.
Another amber warning is in place until 11am in Devon and Cornwall.
The Met Office warned those areas: "Damage to buildings and homes is possible, with roofs blown off and trees and power lines brought down."
It added: "There is potential for large waves and beach material being thrown onto sea fronts, coastal roads and properties."
Ferry services in the English Channel has been suspended due to the conditions from Storm Ciaran
Drivers have been told to prepare for difficult conditions due to high winds
Separately, Ben Lukey, flood duty manager at the Environment Agency, said: “Large waves and onshore gales brought by Storm Ciaran could see significant flooding along parts of the south coast and along parts of the Yorkshire and North East coasts on Thursday.”
According to the Environment Agency, flooding is expected in 54 areas with a further 134 alerts are in place for possible flooding across England.