Five Day Flood Risk Forecast

Forecast issued by the Met Office at 10:30am, Wednesday 20th September

Local flooding is possible from surface water today (Wednesday) and tomorrow (Thursday) in parts of Wales and south-west England, and possible but not expected in the north of England. This is due to heavy rain. Local flooding from rivers is also possible but not expected in these areas. Land, roads and some properties may flood and there may be travel disruption.

Read this forecast in Welsh

River

The river flood risk is VERY LOW for the next five days.

Minor river flooding impacts are possible but not expected on Thursday in parts of Wales and south-west England. Prolonged and at times heavy rain may affect these areas from late Wednesday and through Thursday morning.

Coastal

The coastal/tidal flood risk is VERY LOW for the next five days, despite high spring tides through this week.

Surface

The surface water flood risk is VERY LOW for the next five days.

Minor surface water flooding impacts are possible on Wednesday and Thursday in parts of Wales and south-west England as shown in Specific Areas of Concern Map 1. Minor impacts are possible but not expected in the north of England. Urban areas are most prone. Prolonged and at times heavy rain may affect these areas from late Wednesday and through Thursday morning.

Groundwater

The groundwater flood risk is VERY LOW for the next five days.

Daily Risk Forecast Maps

Areas Potentially Affected

Wednesday 20th September

Vale of Glamorgan, N Somerset, Carmarthenshire, Cardiff, Blaenau Gwent, Newport, Rhondda Cynon Taff, Ceredigion, Caerphilly, Gwynedd, Isle of Anglesey, Devon, Powys, Torbay, Monmouthshire, Neath Port Talbot, Denbighshire, Plymouth, Pembrokeshire, Merthyr Tydfil, Bridgend, Swansea, Conwy, Cornwall & Isles of Scilly, Somerset, Torfaen

Source and risk of potential flooding

  • Surface: Likelihood low, Impact minor

Additional information: Urban areas most at risk.

Thursday 21st September

Vale of Glamorgan, N Somerset, Carmarthenshire, Cardiff, Blaenau Gwent, Newport, Rhondda Cynon Taff, Ceredigion, Caerphilly, Gwynedd, Isle of Anglesey, Devon, Powys, Torbay, Monmouthshire, Neath Port Talbot, Denbighshire, Plymouth, Pembrokeshire, Merthyr Tydfil, Bridgend, Swansea, Conwy, Cornwall & Isles of Scilly, Somerset, Torfaen

Source and risk of potential flooding

  • Surface: Likelihood low, Impact minor

Additional information: Urban areas most at risk.

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