Strong southeasterly winds are expected to develop during Wednesday afternoon across parts of southwest England and west Wales before spreading to Northern Ireland and parts of southwest Scotland later.

Winds will tend to ease from the south during Wednesday evening. Most areas will also see a spell of heavy rain. The strongest winds will be for exposed coastal areas and over high ground with a few places seeing gusts reaching 60-70 mph. Most inland sites are likely to see wind gusts peak between 45 and 55 mph.

What to expect

Some coastal routes, sea fronts and coastal communities are likely to be affected by spray and/or large waves, especially for south and southeast facing coastlines.
Some delays to road, rail, air and ferry transport are likely
Delays for high-sided vehicles on exposed routes and bridges likely
Some short term loss of power and other services is possible

Regions and local authorities affected

Bridgend
Carmarthenshire
Ceredigion
Conwy
Gwynedd
Isle of Anglesey
Neath Port Talbot
Pembrokeshire
Powys
Swansea
Vale of Glamorgan