Flight disruption and thousands without electricity after Storm Boelo
Waves crashing along the pier in Portstewart, County Londonderry
Thousands of homes across the island of Ireland are without power after Storm Boelo.
Northern Ireland Electricity (NIE) said 7,000 customers have been affected, while about 18,000 homes, farms and businesses across the Republic of Ireland are without electricity on Sunday afternoon.
About 350 incidents, including fallen trees and flooding, have been reported to the Department for Infrastructure (DfI), a spokesperson has said.
Flights have also been cancelled at Belfast City, Belfast International and Dublin Airports due to the storm.
An NIE spokesperson said high winds and severe weather conditions during Saturday night and into the early hours of Sunday morning resulted in a "level of damage to the electricity network, leading to power outages for some customers".
NIE said customers can check estimated restoration times using its Powercheck tool, external.
A spokesperson for the Republic of Ireland's ESB Networks said properties in the north-west of the country are primarily affected.
Waves crashing along the pier in Portstewart during Storm Boelo
ESB Networks said crews have been deployed to all impacted areas and they "expect the vast majority of impacted customers to have their supply restored by this evening".
A yellow wind warning is also in place in County Donegal until 15:00 local time on Sunday, while a yellow warning for all of Northern Ireland ended at midday.
Storm Boelo brings 85mph gusts and travel disruption with amber weather warnings in effect
At Belfast City Airport, flights departing to and arriving from destinations such as London, Aberdeen, Glasgow, Edinburgh and Liverpool were cancelled.
An airport spokesperson said that "due to adverse weather conditions across the UK, there may be disruption to flights due to arrive and depart".
At Belfast International Airport, 17 flights were cancelled this morning.
A spokesperson for the airport said that the storm "continues to cause some disruption to flights" and that "delays can be expected".
At Dublin Airport, strong winds continue to have an impact on flight operations on Sunday.
"Mainly due to weather issues in other countries, airlines have so far cancelled 12 inbound and 12 outbound flights," Graeme McQueen from the airport's operator daa has said.
He added that further disruption is possible due to the wind warnings.
All airports have advised passengers to check with their airlines for the latest information.
A fallen tree on Whinney Hill near Holywood in County Down brought down a power line
The Department for Infrastructure said that Foyle Bridge in Londonderry remains closed, but all other roads are currently open.
The Springwell Road in Groomsport, County Down, had been closed due to a fallen tree, while the Cootehall Road, Crawfordsburn, had been reduced to one lane due to another fallen tree.
The Ballyrobin Road in County Antrim and the Glenshane Road in County Londonderry have reopened after they were impassible earlier on Sunday morning.
The DfI said the temporary flood defences at Lockview Road and Laganbank Road in Belfast remain in place as a precautionary measure.
It said teams are working throughout the day to respond to incidents.
Police have urged drivers to exercise caution due to a number of fallen trees
The Stena Line ferry sailings from Belfast to Cairnryan and Liverpool on Sunday morning were cancelled.
Stena Line sailings from Cairnryan to Belfast have also been impacted.
The Stena Line sailing between Dublin and Holyhead has not been affected.
Sailings with P&O Ferries from Cairnryan and Larne at 08:00 GMT and 12:00 GMT on Sunday were also been cancelled due to the storm.
The P&O 16:00 GMT departures on the Larne and Cairnryan routes are expected to sail on time.
An amber warning across parts of County Antrim and County Londonderry ended at 10:00 GMT on Sunday.
On Saturday, Northern Ireland's strongest gust of wind reached 78mph and was recorded in Orlock Head, County Down.
Magilligan in County Londonderry recorded 73mph and Castlederg in County Tyrone recorded a wind gust of 70mph.
Westerly winds will continue to gust close to 70mph in exposed coastal areas until well into the afternoon.
Winds will gradually ease through the afternoon with a significant reduction this evening.
An orange wind warning ended in County Donegal at 09:00 local time on Sunday.
On Saturday, Malin Head in Donegal had gusts of 83mph recorded.
The last 24 hours also brought notable amounts of rain with Castlederg and Lough Fea in the Sperrins recording almost 40mm.
Over 30mm has been recorded at Killylane in the Antrim Glens and 30mm at Stormont in Belfast.
Sunday is due to be a drier day but still very windy with some sunshine and occasional passing showers.
The disturbed weather pattern will continue into the half term week as another deep area of low pressure will bring more strong winds later on Monday and through to Tuesday.
The Met Office has issued a yellow wind warning across parts of Northern Ireland for this system which may be updated later on Sunday.
The second half of the new week looks somewhat quieter, drier and less windy.
Storm Boelo brings disruption across island of Ireland
Storm Boelo hits UK with gusts up to 85mph gusts as amber warnings hold