A Flood Alert was issued for Rivers Cocker, Marron and Derwent in Cumberland on 24th October 2026. Affected watercourses included the River Cocker, River Marron, River Derwent.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Derwent at Portinscale rose 1.19m, peaking at 1.91m, while the Bassenthwaite Lake at Castle Howe climbed 0.70m.
Environment Agency advice issued
Rising river levels today may lead to flooding. Flooding is possible from the evening of Saturday 24 October Storm Boelo is forecast to bring heavy rain and strong winds across Cumbria today, Saturday 24th October and overnight into tomorrow. River levels are likely to rise during the course of today and this evening with the potential for some flooding of low lying land. Locations most affected will be low lying land and roads near the lower Derwent from Bassenthwaite Lake to the coast at Workington. The Cocker from Crummock Water to Cockermouth. River Marron from Ullock to its confluence wit
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Portinscale | River Derwent | +1.19m | 1.91m |
| Castle Howe | Bassenthwaite Lake | +0.70m | 1.95m |
| Scalehill Upper Lorton Valley | River Cocker | +0.70m | 1.36m |
| Bleach Green Weir | River Ehen | +0.66m | 1.16m |
| Ouse Bridge | River Derwent | +0.63m | 1.68m |
| South Street Footbridge | River Cocker | +0.62m | 1.69m |
| Southwaite Bridge | River Cocker | +0.59m | 1.15m |
| Harrington Eadie Street | Wyre River | +0.59m | 0.83m |
| Kingfisher, Cockermouth | River Derwent | +0.55m | 1.48m |
| Seaton Mill, Barepot, Workington | River Derwent | +0.50m | 1.16m |