Weather warnings have been issued for Pembrokeshire and Carmarthenshire as Storm Antoni has been named by the Met Office with a low-pressure system set to bring strong winds and a spell of heavy rain from late Friday night and into Saturday (August 5).

Pembrokeshire County Council has warned members of the public to please drive carefully and check your home and garden are weather ready, taking into account: gutters, plumbing and heating; trees, branches, gutters, children’s play equipment and garden furniture could cause issues in a storm.

Those on holiday or camping across the county are asked to check on tethering at exposed caravan and camping sites.

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Met Office Chief Meteorologist Steve Willington said: “Storm Antoni will bring some potentially disruptive weather on Saturday as it moves from west to east.

“Storm Antoni will also bring strong winds to a swathe of Wales, southwest England and southern coastal areas of England.

“The strongest winds will affect parts southwest England and southwest Wales where exposed coasts and high ground could see gusts in excess of 60mph. In these areas, gusts inland could reach 50-55mph for a time.

“These windy conditions will likely coincide with high tides which will present an additional challenge for coastal areas.

“Busy travel networks at this time of year and the possibility of people having made plans to be outside have resulted in the system meeting our criteria for naming, with a strong chance of disruption for those within the warning areas.”

Warnings highlight potential transport disruption and the chance of some power cuts occurring.

The RAC’s Rod Dennis said: “We expect Saturday to be the worst day on the roads of the summer so far, especially for anyone in the southwest of England – and that’s a lot of people as our research shows it’s the most popular part of the country for leisure trips by car this year.

“Conditions will be atrocious with a wholly unpleasant mix of very strong winds and locally intense rainfall. The best advice is to slow down significantly to stay safe and avoid exposed moorland and coastal routes until the storm passes. Drivers towing caravans and trailers need to be particularly careful in these conditions and those with boxes and bikes on the roof should double-check they’re secured properly.

“Drivers should also watch out for fallen trees and be prepared for the disruption they cause.

“Nationally, we estimate around 4m drivers will be using the roads for leisure journeys across the whole weekend.”

Storm Antoni is the first storm named by the Met Office in this storm naming season, though the names Otto in February and Noa in April were adopted by the Met Office earlier this year as they were named by international partners and impacted the UK.