A Flood Alert was issued for Christchurch Harbour in Bournemouth, Christchurch and Poole on 30th August 2026. Affected watercourses included the English Channel.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Stour at Iford Bridge rose 1.39m, peaking at 1.21m, while the Uddens Water at Ferndown Tricketts Cross climbed 0.32m.
Environment Agency advice issued
High tides today may lead to flooding. Flooding is possible from 2200 to 2359 on 30 August 2026 Locations most affected will be coastal roads and footpaths. There may be water onto the quay and footpaths around Old Mill Tearooms at Quomps (Christchurch) recreation area. We are closely monitoring the situation . Avoid coastal footpaths, which may be flooded . This message will be updated by 2:53PM on 31 August 2026 or as the situation changes.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Iford Bridge | River Stour | +1.39m | 1.21m |
| Ferndown Tricketts Cross | Uddens Water | +0.32m | 0.56m |
| Knapp Mill | River Avon | +0.11m | 0.43m |
| New Valley Road | Danes Stream | +0.11m | 0.08m |
| Chewton Glen | Walkford Brook | +0.10m | 0.17m |
| Throop | River Stour | +0.07m | 0.39m |