A Flood Alert was issued for Coast from Gretna to Silloth in Cumberland on 29th September 2026. Affected watercourses included the Irish Sea.
During this event, FloodRadar monitoring gauges recorded notable rises. The Annan at Brydekirk rose 0.67m, peaking at 1.43m, while the Kirtle Water at Mossknowe climbed 0.25m.
Environment Agency advice issued
High tides overnight may lead to flooding. Flooding is possible from 00:00 to 04:00 on 30/9/2026. Locations most affected will be low lying land and roads along the coastline from Gretna to Silloth including Port Carlisle and Angerton We are closely monitoring the situation . Avoid coastal roads, which may be flooded . 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 |
|---|---|---|---|
| Brydekirk | Annan | +0.67m | 1.43m |
| Mossknowe | Kirtle Water | +0.25m | 0.91m |