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Gale-force winds of up to 70mph will batter the county overnight.
While a 27-hour yellow warning for rain was initially in place across Kent it has now been replaced by an eight-hour alert for wind in coastal areas.
The Met Office has said wind strengths will be increasing late this evening, peaking overnight, with gusts of 40 to 50 mph inland, but 50 to 60 mph along some coasts and up to 70 mph in the most exposed spots.
There are likely to be some delays to road, rail, air and ferry routes.
It’s likely that some coastal routes, sea fronts and coastal communities affected by spray and/or large waves.
The warning covers areas like Birchington, Dover, Lydd and as far in-land as Canterbury.
A flood alert has also been issued for the Upper River Medway from Forest Row to Penshurst.
River levels have risen as a result of heavy rainfall and the Environment Agency expects flooding to affect low lying land and roads around Forest Row, Ashurst, Hartfield, Penshurst and low lying land and roads close to the rivers, particularly on and around Balls Green and Ashurst. Flooding of properties is not forecast at this point but river levels are expected to remain perilously high until tomorrow afternoon.
Meanwhile, flood alerts remain in place in along the River Stour, from Ashford to Canterbury and out towards Thanet.
As river levels remain high following persistent rainfall in recent days, flooding is expected on low lying land and roads along the river's course, in and around Ashford, Hothfield and Great Chart.
The Met Office's incident response staff is monitoring the situation, and are out checking and clearing any blockages and debris from rivers.
After prolonged rain last week, devastating floods submerged pub-cum-zoo the Fenn Bell Inn in Hoo.
Meanwhile, mounting flood fears saw sandbags delivered to at-risk residents across the Canterbury district, and sluice gates opened.
And on Friday, the city's Westgate Gardens was partially flooded after the Stour burst its banks.
Further afield it's been warned that Storm Christoph could bring two months' of rain in three days, prompting Prime Minister Boris Johnson to hold an emergency Cobra meeting.
For all the forecasts, warnings and weather related news, click here.