A weather warning for gale force winds has been extended to include vast swathes of Wales as well as most of the south of England.
The yellow alert starts at 3pm today and is in place until 9pm tomorrow.
Large parts of the south of England are included in the warning, from Devon and Cornwall to Canterbury and Southend.
And the south and west of Wales has now been included too.
People are warned that temporary outdoor structures - such as gazebos and garden furniture - could be damaged in the high winds and action should be taken now to prevent it.
Delays to road, rail, air and ferry transport are likely to happen with journeys expected to take longer than normal.
A Met Office spokeswoman said: "An unusually deep area of low pressure for the time of year will move slowly eastwards across a central swathe of the UK during Thursday night and Friday. In addition to some heavy rain, this low will bring with it a spell of relatively high winds.
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" The windiest conditions will start to affect south Wales and southwest England Thursday late afternoon and evening before spreading across southern England Thursday night and early Friday.
"Inland, gusts up to 45 to 50 mph are expected at times whilst over coasts and hills gusts will reach as much as 55 to 60 mph. These high winds then slowly ease from the west during Friday."

East of England
Essex
Southend-on-Sea
Thurrock