Western Power says 3,000 homes in south Wales are without power after falling trees crashed through lines overnight.
Western Power says 3,000 homes in south Wales are without power after falling trees crashed through lines overnight.
Homes in Cardiff, Abergavenny, the Neath valley and as far east as the Usk valley have been affected.
Homes in Cardiff, Abergavenny, the Neath valley and as far east as the Usk valley have been affected.
The disruption comes as emergency services are braced for one of the biggest storms of the winter.
There was also damage to properties in Pembrokeshire in what was expected to be one of the winter's biggest storms.
In St Brides, Newport, 170 people were evacuated from a caravan park as a precaution, spending the night at hotels and the city leisure centre.
In St Brides, Newport, 170 people were evacuated from a caravan park as a precaution, spending the night at hotels and the city leisure centre.
Phil Davies, Western Power's network services manager for Wales, said the power cuts were also caused by power lines touching each other or "arcing" in the high winds.
Phil Davies, Western Power's network services manager for Wales, said the power cuts were also caused by power lines touching each other or "arcing" in the high winds.
He said homes as far west as Haverfordwest had been affected by the weather-related cuts but engineering teams hoped to have power restored by the afternoon.
He said homes as far west as Haverfordwest had been affected by the weather-related cuts but engineering teams hoped to have power restored by the afternoon.
"We're working on all the faults we're aware of, so by lunchtime we should have most of this wrapped up."
"We're working on all the faults we're aware of, so by lunchtime we should have most of this wrapped up."
Flood warnings
Flood warnings
Newport Council say it took the decision to evacuate the Lighthouse Park caravan site because it was concerned about the effect of the galeforce winds on mobile homes rather than from the threat of flooding.
Newport Council say it took the decision to evacuate the Lighthouse Park caravan site because it was concerned about the effect of the galeforce winds on mobile homes rather than from the threat of flooding.
Resident Mary Dyer and her husband Joseph stayed until 0400 GMT.
Resident Mary Dyer and her husband Joseph stayed until 0400 GMT.
She said: "When I rang the helpline and they said the Wentloog levels would be flooded I said we had better get out now before we can't get out."
She said: "When I rang the helpline and they said the Wentloog levels would be flooded I said we had better get out now before we can't get out."
Winds of up to 80mph (130km/h) are expected to hit coasts this morning and these, along with high tides, may cause flooding.
Winds of up to 80mph (130km/h) are expected to hit coasts this morning and these, along with high tides, may cause flooding.
There are 20 flood warnings in place from Gwynedd to the Wye estuary.
There are 20 flood warnings in place from Gwynedd to the Wye estuary.
The M48 Severn Bridge closed both ways due to strong winds and road closures around Wales saw the A466 Tintern Road was closed until further notice with a diversion through Catbrook.
The M48 Severn Bridge closed both ways due to strong winds and road closures around Wales saw the A466 Tintern Road was closed until further notice with a diversion through Catbrook.
Ferries
The weather has hit the Pembrokeshire coast
Winds reaching storm force 10 - around 60mph - have been recorded by Holyhead coastguards and Milford Haven coastguads said winds there were strong enough to be a "cause for concern".
Winds reaching storm force 10 - around 60mph - have been recorded by Holyhead coastguards and Milford Haven coastguads said winds there were strong enough to be a "cause for concern".
They said there were seven large vessels out at sea. In Swansea gusts up to 46mph were measured at Mumbles Head.
They said there were seven large vessels out at sea. In Swansea gusts up to 46mph were measured at Mumbles Head.
Monday's 0245 GMT Stena Line ferry across the Irish Sea between Fishguard in Pembrokeshire and Rosslare was cancelled in advance in anticipation of the weather.
Monday's 0245 GMT Stena Line ferry across the Irish Sea between Fishguard in Pembrokeshire and Rosslare was cancelled in advance in anticipation of the weather.
Pembrokeshire Council said Amroth, Newgale, Dale, Solva and the centre of Haverfordwest were expected to be worst-hit, with damage likely across the county from high winds.
In Pembrokeshire, the roof was blown off a bungalow extension in Freshwater East and in Solva a garage roof was blown on to the roof of the adjoining house.
Newale seafront had sea water around one foot (30cms) deep. Elsewhere in the county the A484 was closed due to fallen trees
People were advised to monitor local radio and TV stations and not to make unnecessary journeys.
People were advised to monitor local radio and TV stations and not to make unnecessary journeys.
Pembrokeshire Council officials met the emergency services on Sunday to prepare, and announced that the road at Newgale would be shut from 0600 GMT on Monday, while the Cleddau Bridge was likely to be closed for much of the day.
Pembrokeshire Council officials met the emergency services on Sunday to prepare, and announced that the road at Newgale would be shut from 0600 GMT on Monday, while the Cleddau Bridge was likely to be closed for much of the day.
People are advised to listen to local weather reports and call the Environment Agency Wales' Floodline on 0845 988 1188.
People are advised to listen to local weather reports and call the Environment Agency Wales' Floodline on 0845 988 1188.
Do you live in one of the areas affected by the storms? How are you preparing? Send us your experiences using the form below.
Do you live in one of the areas affected by the storms? How are you preparing? Send us your experiences using the form below.
