A Flood Alert was issued for Mersey Estuary at Warrington in Halton, Warrington on 24th October 2026. Affected watercourses included the Mersey Estuary.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Mersey at Fiddlers Ferry rose 3.22m, peaking at 5.72m, while the Sankey Brook at Causey Bridge climbed 2.14m.
Environment Agency advice issued
High tides overnight may lead to flooding. Flooding is possible from 11:30 PM on 24 October 2026. Locations most affected will be low lying land and roads at Fiddlers Ferry, peaking at 12:00 AM, Eastford Road, peaking at 12:15 AM, and Arpley Bridge, peaking at 12:30 AM. It is possible that river levels may affect Arpley Road under the railway bridge. We anticipate the next high tide tomorrow afternoon, 25 October 2026, to meet the flood alert threshold. We are expecting higher than normal high tides over the next 2 days, and a result, we may issue further flood alerts and flood warnings. We
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Fiddlers Ferry | River Mersey | +3.22m | 5.72m |
| Causey Bridge | Sankey Brook | +2.14m | 2.73m |
| Higham Avenue | Sankey Brook | +2.01m | 2.89m |
| Liverpool Road | Sankey Brook | +1.58m | 3.43m |
| Ellamsbridge Road, St Helens | Sutton Mill Brook | +0.75m | 0.98m |
| Westy | River Mersey | +0.67m | 4.55m |
| Ferry Lane, Warrington | Manchester ship canal | +0.56m | 0.89m |
| Pickerings Cut | River Weaver | +0.29m | 5.15m |
| Morris Brook | Morris Brook | +0.25m | 0.34m |
| Acton Bridge | River Weaver | +0.17m | 2.78m |