"Winds are forecast to be strongest on the southern and western coasts of England, Wales and Ireland, as well as southern Irish Sea coasts, and on both sides of the English Channel".
The storm, which could bring gusts of wind of up to 70mph, is likely to hit parts of south-west Ireland in the early hours of Saturday morning.
Dramatic waves, high-speed winds and rain could hit coastal areas in Suffolk and north Essex as a result of the weather system and - a yellow Met Office warning for wind is in place from 4am on Saturday until at least midday.
'As we go through Saturday morning the strong southwesterly winds affecting the South and West will spread eastwards and slowly change direction as they will become westerly towards the end of the warning period.
Met Eireann has warned of gale force winds continuing across the west and south of the country today as the storm moves across the country.
'Gusts between 45 and 55 miles per hour are expected widely within the warning area, with gusts of 60 to 70 miles per hour along exposed coastal areas.
National flood duty manager for the Environment Agency Ben Lukey warned members of the public against posing for photos during the hazardous conditions.
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He said: 'Environment Agency teams are on the ground, checking defences and taking precautionary action to close tidal gates and put up temporary barriers.
Now no flood alerts or flood warnings have been issued for the Anglian region by the Environment Agency (EA), but EA national flood duty manager, Alison Baptiste, said: "We urge people to stay safe along the coast".
'We're working with the Met Office and local authorities and are ready to respond as necessary.
Weather contingencies include the introduction of temporary speed restrictions due to high winds, which can blow trees and other debris onto railway lines and overhead power lines.
Drivers were also urged to take extra care on the roads because surface spray, reduced visibility and potential flooding remained high risks.
Storm Brian, the second named storm of the season, could also cause flooding.