A Flood Alert was issued for Coast from Silloth to St Bees in Cumberland on 4th April 2026. Affected watercourses included the Irish Sea.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Cocker at Southwaite Bridge rose 0.21m, peaking at 0.74m, while the River Ellen at Bull Gill climbed 0.19m.
Environment Agency advice issued
High tides, strong winds and large waves throughout the evening may lead to flooding. Flooding is possible from 1:00AM to 3:00AM on 05/04/2026. Potential flooding due to high winds from Storm Dave, subsequent tides not expected to have any impacts. Locations most affected will be coastal roads and footpaths. We are closely monitoring the situation and closing flood gates where necessary. Avoid coastal roads, footpaths and carparks, which may be flooded . This message will be updated by 8:00AM on 05 April 2026 or as the situation changes.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Southwaite Bridge | River Cocker | +0.21m | 0.74m |
| Bull Gill | River Ellen | +0.19m | 0.65m |
| Ouse Bridge | River Derwent | +0.19m | 1.21m |
| Kingfisher, Cockermouth | River Derwent | +0.17m | 1.07m |
| Seaton Mill, Barepot, Workington | River Derwent | +0.15m | 0.80m |
| Harrington Eadie Street | Wyre River | +0.14m | 0.40m |
| South Street Footbridge | River Cocker | +0.11m | 1.26m |
| Blennerhasset Bridge | River Ellen | +0.08m | 0.78m |