Severe weather warnings have been issued over strong winds and thunderstorms forecast in the UK.
Gusts could reach over 60mph in the most exposed parts of the southern England coast, the Met Office said.
Heavy showers and thunderstorms are expected in central and south-east England and Wales, with some locations facing 40mm of rain within a few hours.
The bad weather is being caused by an unseasonal deep area of low pressure for this time of year.
The yellow severe weather warning for wind on Wednesday, covering coastal southern England, is in force between 04:00 BST and 18:00.
The Met Office is warning of travel disruption, trees being damaged and seafront and coastal communities being affected by spray and large waves.
It forecast gusts reaching 50mph (80km/h) in some English Channel coastal areas, 55 to 60mph (86 to 97km/h) in the most exposed locations in the far south-west, and possibly higher speeds in exposed parts of coastal southern England.
In central and south-east England and Wales, there is a yellow severe weather warning for thunderstorms from 09:00 to 20:00, with the possibility of some flooding.
Some damage to buildings from lightning strikes, short-term loss of power, and train delays are expected, as well as standing water on roads.
Meanwhile, in parts of north-east England, a yellow severe weather warning has been issued for heavy rain and is in place from 11:00 and 20:00.
The Environment Agency has issued alerts warning flooding is possible in 19 areas across the country.
The wet weather has been bad news for holidaymakers enjoying the school holidays.
