A Flood Alert was issued for Irish Sea from Hilbre Island to Heswall in Cheshire West and Chester, Wirral on 4th April 2026. Affected watercourses included the Irish Sea.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Birket at Davis Road rose 0.34m, peaking at 0.68m, while the Arrowe Brook at Acton Lane climbed 0.24m.
Environment Agency advice issued
High tides overnight may lead to flooding. Flooding is possible from 1:00 AM until 3:00 AM on 05 April 2026 due to overtopping at West Kirby. Locations most affected will be low lying land and roads from Hilbre Island and along the coast from West Kirby to Heswall. We are closely monitoring the situation . Avoid coastal roads, footpaths and carparks, which may be flooded . This message will be updated by 10:30AM on 05 April 2026 or as the situation changes.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Davis Road | River Birket | +0.34m | 0.68m |
| Acton Lane | Arrowe Brook | +0.24m | 0.40m |
| Winster Drive | Netherley Brook | +0.21m | 0.56m |
| Kirkby | River Alt | +0.08m | 0.29m |