A Flood Alert was issued for Mersey Estuary at Warrington in Halton, Warrington on 29th September 2026. Affected watercourses included the Mersey Estuary.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Mersey at Fiddlers Ferry rose 3.86m, peaking at 5.93m, while the Sankey Brook at Liverpool Road climbed 1.41m.
Environment Agency advice issued
High tides tomorrow morning may lead to flooding. Flooding is possible from 2:30am to 3:45am on 30/09/2026 Locations most affected will be low lying land and roads at Fiddlers Ferry (between 2:30am-3:15am), Eastford Road (between 2:45am-3:30am), and Arpley Bridge (between 3:00am-3:45am). It is possible that river levels may affect Arpley Road under the railway bridge. We are closely monitoring the situation . Take care and avoid walking, cycling or driving through flood water . This message will be updated by 10:00AM on 30 September 2026 or as the situation changes.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Fiddlers Ferry | River Mersey | +3.86m | 5.93m |
| Liverpool Road | Sankey Brook | +1.41m | 2.79m |
| Westy | River Mersey | +0.68m | 4.14m |
| Higham Avenue | Sankey Brook | +0.26m | 0.52m |
| Ferry Lane, Warrington | Manchester ship canal | +0.10m | 0.34m |
| Causey Bridge | Sankey Brook | +0.06m | 0.26m |