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Flooding is possible - be prepared

Flood alert for Severn estuary from Gloucester to Sharpness

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A flood alert has been issued as a result of high spring tides peaking this evening and tomorrow morning. Tides will be at their highest tonight around 22:30 10/09/2025.

Flooding to properties, roads and farmland is possible at these times, however conditions may apply a few hours either side of the high tide.

Flooding may affect low lying land and roads adjacent the Severn Estuary from Sandhurst to Chepstow and Sharpness. Locations that may be affected include areas river side of defences where defences are present including Lydney Harbour. Low lying land at Purton on the east bank may also be impacted. High tides may also affect watercourses draining into the Severn Estuary.

Predicted peaks:- Sharpness 9.9m to 10.2m at 22:30 on 10/09/2025.

We are closely monitoring the situation.

Please avoid using low lying footpaths near local watercourses.

This message will be updated by 13:00 on 11/09/2025, or as the situation changes.

Flood alert area: Severn estuary from Gloucester to Sharpness, including Sandhurst and Maisemore.

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