A Flood Alert was issued for Mersey Estuary from Liverpool and Wirral to Widnes in Cheshire West and Chester, Halton, Knowsley, Liverpool, Sefton, Wirral on 27th October 2026. Affected watercourses included the Mersey Estuary.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Birket at Davis Road rose 1.02m, peaking at 1.87m, while the Netherley Brook at Winster Drive climbed 0.54m.
Environment Agency advice issued
There is no longer a threat of flooding. Weather conditions are expected to improve and no further flooding is expected. We will continue to monitor the situation and will issue further alerts or warnings if necessary. Continue to take care on waterside roads and footpaths and don't put yourself in unnecessary danger.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Davis Road | River Birket | +1.02m | 1.87m |
| Winster Drive | Netherley Brook | +0.54m | 1.06m |
| Dovers Bridge | Dovers Brook | +0.40m | 1.02m |
| Acton Lane | Arrowe Brook | +0.29m | 0.46m |
| Kirkby | River Alt | +0.23m | 0.55m |
| Ellamsbridge Road, St Helens | Sutton Mill Brook | +0.22m | 0.40m |
| Fornalls Bridge | River Birket | +0.21m | 0.74m |
| Chase Way, Ellesmere Port | Rivacre Brook | +0.13m | 0.29m |
| Greasby Road | Arrowe Brook | +0.09m | 0.31m |