| The River Deben from Debenham, to and including Bromeswell, and the River Lark from Clopton to Martlesham | River Deben, River Lark | Alert |
| The Suffolk coast at Southwold, including Reydon Marshes | River Blyth, North Sea | Warning |
| The Suffolk coast at Southwold, including Reydon Marshes | North Sea | Alert |
| The River Brett from Lavenham to Higham, including Monks Eleigh and Hadleigh | Brett | Warning |
| The River Box from Boxford, to and including Thorrington Street, and the River Brett from Cockfield, to and including Higham | River Box, River Brett | Alert |
| The Thorpeness Hundred River from Saxmundham to Aldringham, and the River Ore from Framlingham to Blaxhall | Thorpeness Hundred, Ore | Alert |
| The Rivers Minsmere and Yox, from Sibton and Peasenhall to the Minsmere Levels, including Yoxford, Middleton and Eastbridge | River Minsmere | Warning |
| The Rivers Minsmere and Yox, from Peasenhall and Sibton to the Minsmere Levels, including Yoxford, Middleton and Eastbridge | Minsmere, Yox | Alert |
| The River Stour from Sudbury to Dedham, including Henny Street, Lamarsh, Bures, Nayland, Boxted, Langham and Stratford St Mary | Stour | Alert |
| The River Gipping from downstream of Needham Market to upstream of London Road Bridge, Ipswich, including riverside areas at Great Blakenham, Bramford and Sproughton | Gipping | Alert |
| Isolated riverside properties on the tidal River Deben estuary, at Waldringfield, Methersgate and Martlesham Creek | River Deben | Warning |
| The tidal Deben estuary, from Felixstowe Ferry and Bawdsey to Ufford | River Deben, North Sea | Alert |
| The Suffolk coast at Walberswick, Dunwich and surrounding marshes | North Sea, Dunwich River, River Blyth | Warning |
| The Suffolk coast from Lowestoft to Bawdsey, including the Blyth and Alde and Ore estuaries | North Sea | Alert |
| Minsmere Marshes on the Suffolk coast, including Eastbridge and Sizewell | Minsmere River, North Sea | Warning |
| The Suffolk and Essex coast from Felixstowe to Clacton, including Ipswich, and the Orwell and Stour estuaries | North Sea, River Orwell, River Deben | Alert |
| The River Stour from Boxted to Dedham, including Stratford St Mary | Stour | Warning |
| The north bank of Lake Lothing, from Mutford Bridge to Bascule Bridge, including Lowestoft Railway Station | Lake Lothing | Warning |
| The River Lark from Clopton to Martlesham, including Grundisburgh and the Bealings | Lark | Warning |
| The Chediston watercourse at Halesworth | Chediston | Warning |
| The Rivers Blyth and Walpole and Chediston, Bramfield and Wrentham watercourses | Blyth, Walpole, Chediston, Wrentham | Alert |
| The east bank of the tidal River Orwell at Ipswich including the wet dock, the waterfront, town centre, to Beaconsfield Road, upstream of Stoke Bridge | River Orwell | Warning |
| The upper Stour and surrounding tributaries, at Little Yeldham, Steeple Bumpstead, Haverhill, Kedington, Glemsford and Brockley, to and including, Sudbury | Stour, Stour Brook, Bumpstead Brook | Alert |
| The west bank of the tidal River Orwell through Ipswich from Rayleigh Industrial Estate to the Ipswich Tidal Barrier and the railway bridge on Wherstead Road | River Orwell | Warning |
| The Suffolk coast from Orford Ness to Bawdsey, including Butley and Shingle Street | North Sea | Warning |
| Areas of Bury St Edmunds at risk of groundwater flooding, including Eastgate Street, Barn Lane, Blomfield Street and parts of Vinefields | Groundwater | Alert |
| The A12 from Lowestoft Bascule Bridge to the Bloodmore Roundabout through Kirkley, including Riverside Business Park | Lake Lothing | Warning |
| The River Gipping through Needham Market | Gipping | Warning |
| The Rattlesden River and River Gipping, including Lower Street, Rattlesden, the Ford at Wash Lane Onehouse, Combs Ford, Stowmarket. Hawks Mill Street, Crown Street and Coddenham Road in Needham Market | Rattlesden River, Gipping | Alert |
| The River Deben, from Debenham to Cretingham | River Deben | Warning |
| The tidal River Orwell estuary from Felixstowe, including Trimley Marshes, Pin Mill, Nacton Shore, The Strand under the Orwell Bridge, the Western Quays, and Ipswich Tidal Barrier | River Orwell | Warning |
| The Thorpeness Hundred River from Knodishall to Aldringham | Thorpeness Hundred | Warning |
| The tidal River Deben estuary, from Felixstowe Ferry Hamlet to Ufford, including the Deben Marshes | River Deben, North Sea | Warning |
| The tidal River Wang, including Wangford | River Wang | Warning |
| Thorpeness and Aldeburgh, and surrounding marshes | River Alde, North Sea | Warning |
| The south bank of Lake Lothing, from Mutford Bridge to Brooke Business Park | Lake Lothing | Warning |
| The Rattlesden River from Rattlesden to Combs Ford in Stowmarket | Rattlesden River | Warning |
| The Walpole River from Huntingfield to Halesworth, including the River Blyth at Blyford, and Bramfield watercourse | Blyth, Walpole, Bramfield | Warning |
| The north and south banks of the Stour estuary from Shotley Gate to the bottom of Cattawade Street and Factory Lane in Brantham | River Stour | Warning |
| The River Box from Boxford to Thorrington Street, including Polstead and Stoke-by-Nayland | Box | Warning |
| Bawdsey Quay and Felixstowe Ferry | River Deben, North Sea | Warning |
| Kessingland Beach to Potters Bridge and Easton Broad, including Benacre Broad and Covehithe Broad | North Sea | Warning |
| The River Gipping from Needham Market to London Road Bridge, Ipswich, including Bramford and Sproughton | Gipping | Warning |
| The River Stour from Sudbury to Boxted, including Bures and Nayland | Stour | Warning |
| Lowestoft seafront and docks, including the Denes caravan park, North and South Pier and Pavillion | North Sea | Warning |
| The River Stour from downstream of Kedington to Sudbury, including Clare and Cavendish | Stour | Warning |
| The River Deben from downstream of Cretingham to Ufford, including Letheringham, Easton and Wickham Market | Deben | Warning |
| The Wrentham watercourse at Wrentham | Wrentham | Warning |
| The River Stour upstream of Cattawade Barrage to Dedham, including Flatford | River Stour | Warning |
| Areas of Fornham St Martin at risk of groundwater flooding, including Old Hall Lane | Groundwater | Alert |
| The River Ore from Framlingham to Blaxhall, including Parham, Hacheston and Marlesford | River Ore | Warning |
| The tidal River Orwell at Cliff Quay industrial area in Ipswich | River Orwell | Warning |
| Woodbridge and Melton | River Deben, North Sea | Warning |
| The A12 at Blythburgh and upstream marshes | River Blyth | Warning |
| Snape, Iken and surrounding marshland | River Alde, North Sea | Warning |
| Oulton Broad near Mutford Lock, including Broadland Holiday Village and Nicholas Everitt Park | Oulton Broad | Warning |
| The River Gipping from the A14 at Stowmarket to upstream of Needham Market | Gipping | Warning |
| Areas of Newmarket at risk of groundwater flooding, including the High Street, and the A14 between junctions 37 and 38 | Groundwater | Alert |
| The Suffolk coast at Felixstowe, from the Pier to the Port, including Landguard Point | North Sea, River Orwell | Warning |
| The Stour Brook from Meldham Bridge in Haverhill to Linnetts Lane in Sturmer | Stour Brook | Warning |
| Fornham St. Martin, Fornham All Saints, Fornham St. Genevieve, Hengrave, Flempton, West Stow, Icklingham, Barton Mills, Mildenhall, Worlington, West Row and Isleham | River Lark | Warning |
| River Lark from Sicklesmere to Isleham | River Lark | Alert |
| Lidgate Road and The Street in Dalham, St Peters Avenue, Church Road and Brookside in Moulton, Edgeborough Close, Bury Road and Moulton Avenue in Kentford, Badlingham, and The Street in Freckenham | River Kennett | Warning |
| River Kennett from Cowlinge to Freckenham | River Kennett | Alert |
| The west bank of the tidal River Orwell from the railway bridge on Wherstead Road to Bourne Bridge | River Orwell | Warning |
| Bury Road and Hawstead Lane in Sicklesmere, Rushbrooke Lane, St Botolph's Lane, Southgate Street, Sextons Meadow, Rockingham Road, Tannery Drive, Maynewater Lane, Mustow Street, Eastgate Street, Fornham Road and Friary Meadow in Bury St. Edmunds | River Lark | Warning |