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The chilly sea will be braved this morning for the Boxing Day Dip.
Nutty swimmers, dressed in their best fancy dress or sensible wet suits, will dash across the shingle at 11am.
Online registration has closed but those who have made a last minute decision can turn up and register from 10am, but expect queues.
This year's challenge has been organised by Deal Icebreakers, who ran it since 1981 and their successors The Rotary Club of Deal whose members take over the reigns next year.
Money raised will go towards specialist equipment for toddler Digby Donnelly, of Middle Deal Road, who has a progressive and fatal muscle-wasting condition, Duchenne Muscular Dystrophy.
The disease almost exclusively affects boys due to a faulty dystrophin gene which causes muscles to break down, leading to paralysis and consequently a lifespan of about 20 years.
Two other charities will also benefit from the sponsorship but they’re yet to be announced.
Dippers are reminded to wear shoes and take warm clothing and a towel.
Fancy dress is optional.
To find out more go to dealicebreakers.co.uk