A Flood Alert was issued for Tidal River Avon at Bristol, Pill and Shirehampton in City of Bristol, North Somerset, South Gloucestershire between 12th and 14th 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 1.53m, while the River Avon at Bristol Netham Lock climbed 0.37m.
Environment Agency advice issued
There is no longer a threat of flooding, though standing water and debris may still remain. We do not expect to see similar impacts from the next high tide. We will continue to monitor the situation and will issue further alerts or warnings if necessary. Continue to take care on waterside roads and footpaths and don't put yourself in unnecessary danger. Stay away from floodwater - it contains hidden dangers such as open manhole covers, sewage and chemicals.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Netham Weir | River Avon | +1.47m | 1.53m |
| Bristol Netham Lock | River Avon | +0.37m | 6.23m |
| Ashton Vale | River Avon | +0.09m | 1.03m |
| Bristol Bedminster St Johns Lane Upstream | River Avon | +0.05m | 0.38m |
| Bristol Bedminster St Johns Lane Downstream | River Avon | +0.05m | 0.37m |