The worst coastal surge in more than 60 years could lead to "significant" flooding off coastal areas, officials have warned.
The Environment Agency (EA) has issued 28 severe flood warnings - the highest possible warning, meaning floods could endanger people's lives.
Here is a list of the 22 places in, Essex, Norfolk and Suffolk that have been issued severe flood warnings:
1: The Essex coast from Clacton to Lee Wick.
2: The Norfolk coast at Walcott.
3: Some riverside properties on the estuary of the River Deben in Suffolk.
4: Waterside properties in Mistley, Essex and Brantham, Suffolk.
5: The quay area in Ipswich, Suffolk.
6: Felixstowe Ferry and the quay at Bawdsey in Suffolk.
7: The Deben Marshes, near to Felixstowe Ferry, in Suffolk.
8: West Mersea, The Strood and adjacent marshland, in Essex.
9: Southwold and surrounding marshes in Suffolk.
10: The villages of Snape and Iken and surrounding marshland in Suffolk.
11: The Suffolk village of Blythburgh.
12: The seaside area of Aldeburgh and Thorpeness in Suffolk.
13: The Riverside Business Park and Kirkley near Lowestoft in Suffolk.
14: Oulton Broad near Lowestoft in Suffolk.
15: The south bank of Lake Lothing, Bourne Business Park and Mutford Lock, near Lowestoft in Suffolk.
16: The north bank of Lake Lothing, near Lowestoft in Suffolk.
17: Parts of the River Bure in Norfolk.
18: Lowestoft seafront and docks, in Suffolk.
19: Four severe flood warnings for different parts of the River Yare in and around Great Yarmouth.
20: The north Norfolk coast at Salthouse.
21: The north Norfolk coast at Blakeney.
22: The north Norfolk coast at Wells quay.
You can see the latest Environment Agency flood warnings here