| Southern and Southwestern sides of Olives Meadow Road in Uckfield | River Uck | Warning |
| River Uck and the Framfield, Ridgewood and Tickerage Streams | Uck | Alert |
| Coastal areas of Bulverhythe including areas between the Railway track and Bexhill Road and West Marina Gardens | English Channel | Alert |
| Kidbrooke Stream at Forest Row, including Priory Road, Swans Ghyll, Riverside and Blenheim Fields | Kidbrooke Stream | Warning |
| Powdermill Stream at Crowhurst from the Post Office to the Recreation Ground South of Sandrock Hill Road | Powdermill Stream, Combe Haven | Warning |
| Combe Haven, Powdermill and Watermill streams | Combe Haven | Alert |
| Malling area of Lewes, on Sussex River Ouse, including Spences Lane, Orchard Road and the Malling Brooks Industrial Estate | Sussex River Ouse | Warning |
| Lower Ouse and tributaries from Barcombe Mills to Newhaven | Ouse | Alert |
| Areas of Eastbourne at risk from a high tide including areas of Roselands, Willingdon Levels, areas near Shinewater Lake, West Langley Levels and Sovereign Harbour and Langney Village | English Channel | Alert |
| Coastal areas of Bexhill including West Parade, Egerton Park and De La Warr Parade | English Channel | Warning |
| Coastal areas of Bexhill including West Parade, Egerton Park and De La Warr Parade | English Channel | Alert |
| Sussex River Ouse from Freshfield Bridge to Sharpsbridge including Sheffield Park Station and Fletching Mill | Sussex River Ouse | Warning |
| Upper Ouse and tributaries from Slaugham to Barcombe Mills | River Ouse | Alert |
| Tidal areas of Newhaven including Newhaven Marina, West Quay, Riverside North, Denton Island, and the East bank | English Channel | Alert |
| Willingdon, Eastbourne and Mountney Levels and their tributaries | Langney Haven | Alert |
| Etchingham, including areas along the railway east and south of the village | River Rother | Warning |
| River Uck, at Buxted, between Parsonage Wood and Hempstead Mill, including the Old Mill area | River Uck | Warning |
| Areas of Pevensey at risk from a high tide including the Crumbles, East Langley Levels, Mountney Bridge, Pevensey Bay, Pevensey, Manxey, Horse Eye and Hooe Levels | English Channel | Warning |
| Areas of Pevensey at risk from a high tide including the Crumbles, East Langley Levels, Mountney Bridge, Pevensey Bay, Pevensey, Manxey, Horse Eye and Hooe Levels | English Channel | Alert |
| Sussex River Ouse at Piddinghoe, South Heighton and Southease, including northernmost properties on The Street, Rodmell | Sussex River Ouse | Warning |
| Winchelsea, Winchelsea Beach and Pett Level to Cliff End | South Coast | Warning |
| Coastal areas of Seaford seafront including The Esplanade, areas behind and near the Martello Tower, Buckle Caravan and Camping Park and Salts Recreation Ground | English Channel | Warning |
| Coastal areas of Seaford seafront including The Esplanade, areas behind and near the Martello Tower, Buckle Caravan and Camping Park and Salts Recreation Ground | English Channel | Alert |
| Sussex River Ouse at Hamsey including Whitfield Lane, Ivors Lane, Lower Stoneham and Mantell Close and Monks Way, Lewes | Sussex River Ouse | Warning |
| Tidal areas of the Cuckmere valley from Cuckmere Haven to the A27 including Alfriston | English Channel | Alert |
| Kings Avenue Estate and Rock Channel riverside properties, Rye | River Rother | Warning |
| Coastal areas of Bulverhythe including areas between the Railway track and Bexhill Road and West Marina Gardens | English Channel | Warning |
| Coastal areas of Hastings between White Rock and Rock-a-Nore Road | English Channel | Alert |
| Combe Haven at Bulverhythe including Bulverhythe Road and Bexhill Road at Sheepwash Bridge | Combe Haven | Warning |
| Cuckmere River and Bull River at Hellingly and Horsebridge including Mill Lane, Station Road and the A271 at Lower Horsebridge | Cuckmere River, Bull River | Warning |
| Cuckmere River and tributaries from Vines Cross to Exceat Bridge | Cuckmere River | Alert |
| Coastal areas of Pevensey seafront between Sovereign Harbour and Cooden Beach including Norman Road Pevensey, The Promenade Pevensey, The Parade Pevensey, Beachlands, Normans Bay and the Cooden Beach Hotel | English Channel | Alert |
| Sedlescombe and Winchelsea properties adjacent to the Brede, including parts of the Royal Military Road, Station Road and Winchelsea Lane | River Brede | Warning |
| River Tillingham, and its tributaries, from Beckley Furnace to Rye, including the Tilling Green Estate to the Railway line and the River Brede, and its tributaries, from Sedlescombe Bridge to Rye, including Winchelsea | Tillingham, Brede | Alert |
| River Uck and confluence with the River Ouse including Isfield Mill and White Bridge | River Uck, Sussex River Ouse | Warning |
| Coastal areas of Eastbourne including Marine Parade, Royal Parade, Sovereign Park and the Martello Tower | English Channel | Warning |
| Coastal areas of Eastbourne including Marine Parade, Royal Parade, Sovereign Park and the Martello Tower | English Channel | Alert |
| Robertsbridge to Bodiam, including areas along the River Rother | River Rother | Warning |
| River Uck from Hempstead Lane to the A22 at Uckfield, including Mill Lane, River Way, High Street and the Bellbrook Industrial Estate | River Uck | Warning |
| Winterbourne Stream in the Southover area of Lewes | Winterbourne Stream | Alert |
| Areas of Seaford at risk from a high tide including Buckle Close, Beach Close, Dane Close and Steyne Road | English Channel | Warning |
| Areas of Seaford at risk from a high tide including Buckle Close, Beach Close, Dane Close and Steyne Road | English Channel | Alert |
| Coastal areas of Hastings between White Rock and Rock-a-Nore Road | English Channel | Warning |
| Sussex River Ouse at Lewes including Landport, Talbot Terrace, North Street, Cliffe, Railway Lane, Court Road, Ham Lane and Southerham Lane | Sussex River Ouse | Warning |
| Rye Town, Rye Harbour and Harbour Road and East Guldeford | River Rother | Warning |
| Langney Haven at Langney, Willingdon and Eastbourne including Shinewater Park | Langney Haven | Warning |
| Rye properties along the Tillingham, upstream of Winchelsea Road | River Tillingham | Warning |
| Coastal areas of Pevensey seafront between Sovereign Harbour and Beach including Norman Road Pevensey, The Promenade Pevensey, The Parade Pevensey, Beachlands, Normans Bay and the Cooden Beach Hotel | English Channel | Warning |
| Winterbourne Stream in the Southover area of Lewes from the railway embankment at Winterbourne Close to Lewes Station on Station Road | Winterbourne Stream | Warning |
| Hollington Stream from Hollington Old Lane to Harley Shute including Coventry Road and Stonehouse Drive | Hollington Stream | Warning |
| Hollington Stream from Hollington Old Lane to Harley Shute including Coventry Road and Stonehouse Drive | Hollington Stream | Alert |
| Cuckmere River at Alfriston from Shermans Bridge to Deans Place Hotel including Milton Lock and Long Bridge | Cuckmere River | Warning |
| New Winchelsea Road, upstream of Harbour Road Rye | River Brede | Warning |
| Sussex River Ouse at Barcombe Mills, including the Anchor Gates | Sussex River Ouse | Warning |
| Areas of Eastbourne at risk from a high tide including areas of Roselands, Willingdon Levels, areas near Shinewater Lake, West Langley Levels and Sovereign Harbour and Langney Village | English Channel | Warning |
| Newhaven including Avis Way Industrial estate, Newhaven Marina, the A26, A259, West Quay, Riverside North, Denton Island, and the east bank | English Channel | Warning |
| Denge Marsh, including Coastguard Cottages and Midrips Cottages, East of Jury's Gap | English Channel, South Coast | Warning |
| The River Adur and tributaries from Burgess Hill to Henfield | Adur | Alert |
| Thanet Way, Pegwell Close and Queens Road Hastings, including St Helen's Wood, and Alexandra Park | St Helen's Wood Stream | Warning |
| St Helen's Wood, Thanet Way, Pegwell Close, Ashford Road, Alexandra Road and Queens Road Hastings | St Helen's Wood Stream | Alert |
| Polegate Street and Wannock Mill Streams through Polegate and Wannock | Polegate Street Stream, Wannock Mill Stream | Warning |
| Polegate Brook Street and Wannock Mill Streams | Polegate Brook Street Stream, Wannock Mill Stream | Alert |
| Marsham Sewer at Pett Level including properties adjacent to Chick Hill Road, Marsham Brook Lane and Pett Level Road | | Warning |
| Areas at risk of groundwater flooding in Denton including Denton Road, Vicarage Close, and South Heighton. | Groundwater | Alert |