A Flood Alert was issued for The tidal River Waveney from Ellingham to Breydon Water in Norfolk, Suffolk on 11th May 2026. Affected watercourses included the Waveney.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Waveney at Oulton Broad rose 1.22m, peaking at 1.01m, while the River Yare at Reedham climbed 1.13m.
Environment Agency advice issued
Tide locking, where high tides restrict normal drainage of the river out to sea, this evening may lead to flooding. Flooding is possible between 7pm and 9pm tonight on Monday 11th May 2026. We expect to see high water levels at Beccles Quay. River levels will remain high this evening due to tide locking, which is where tides restrict normal drainage of the river out to the sea. We are closely monitoring the situation . Take care and avoid walking, cycling or driving through flood water . This message will be updated by 10:00AM on 12 May 2026 or as the situation changes.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Oulton Broad | River Waveney | +1.22m | 1.01m |
| Reedham | River Yare | +1.13m | 1.71m |