Delays and cancellations to public transport are likely, the Met Office said

Travel disruption and damage to buildings are expected when Storm Austen, the first named storm of the autumn, hits south Wales later this week.

The Met Office said the storm will bring a spell of strong winds up to 70mph (112km/h) overnight on Thursday and into Friday, mainly in coastal areas.

The yellow warning, external for Wales was issued on Wednesday morning, with periods of heavy rain also expected. The Met Office said injuries and danger to life from flying debris are possible.

Some roads and bridges may close, and longer journey times and cancellations to public transport are possible.

The weather warning is in place between 00:00 and 14:00 BST on Friday.

The Royal National Lifeboat Institution (RNLI) has urged anyone visiting the coast in south Wales to "to stay vigilant and not take unnecessary risks".

The Met Office yellow weather warning for wind is in place for much of south Wales overnight on Thursday and into Friday afternoon

Gusts of wind about 50 to 60mph are likely to hit areas such as Cardiff, Swansea and Merthyr Tydfil.

Some coastal or exposed areas could see about 70mph gusts of wind, the Met Office said, adding winds will slowly ease during Friday afternoon.

The RNLI is urging people to stay safe while visiting the coast in south Wales

Ross Macleod, RNLI water safety manager, said: "If you plan to visit the coast or a waterside location, we urge you stay a safe distance from the water as conditions could knock you off your feet or wash you into the sea."

MacLeod said anyone in trouble in the water should "lie back in the water with your head so far back that your ears are wet, extend your arms and legs and try to relax as best as you can until you get control of your breathing before then calling for help or swimming to safety".

He added if anyone sees someone in danger, throw them something buoyant into the water and call 999 or 112 and ask for the coastguard.

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