People living in the most at-risk areas of Jaywick in Essex will be evacuated "as soon as possible", police have said.
Residents who may be evacuated are being encouraged to pack essential belongings and stay overnight with friends and relatives where possible.
In the event that residents are not able to stay with friends and relatives they can go to Evacuation Assembly Points from where they will be transported to a suitable rest centre, where they can take shelter overnight.
Evacuation Assembly Points:
Jaywick Community Resource Centre in Brooklands, Jaywick.
The Golf Green Trust Hall, Golf Green Road, Jaywick.
Clacton on Sea Golf Club in West Road, Clacton.
Orchard Holiday Village
Hutleys Caravan Park
The Free Church in Mill Road – Rest Centre for overnight assistance
Clacton County High School.
Police will be patrolling in the areas from where people have been evacuated to ensure property left unattended is as secure as possible.