A Flood Alert was issued for Tidal River Avon at Bristol, Pill and Shirehampton in City of Bristol, North Somerset, South Gloucestershire on 29th September 2026. Affected watercourses included the River Avon.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Avon at Netham Weir rose 1.47m, peaking at 1.67m, while the River Avon at Bristol Netham Lock climbed 0.19m.
Environment Agency advice issued
Higher than normal tides today may lead to flooding. Flooding is possible either side of high water, which is at 9:45 PM on 29 September 2026 Spring tides are forecast to peak above the level published in tide tables due to additional surge. The forecast high water is 9:45 PM on Tuesday 29 September 2026 with a level of 7.46 mAOD and a Force 5 South-easterly wind. Areas most at risk include the tidal River Avon from Sea Mills to Conham in Bristol and between the Avonmouth Bridge and Shirehampton Park including Pill and Shirehampton. We are checking flood defences . Avoid beaches and coasta
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Netham Weir | River Avon | +1.47m | 1.67m |
| Bristol Netham Lock | River Avon | +0.19m | 6.23m |
| Ashton Vale | River Avon | +0.11m | 1.02m |