A Flood Alert was issued for Christchurch Harbour in Bournemouth, Christchurch and Poole on 22nd October 2026. Affected watercourses included the English Channel.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Stour at Iford Bridge rose 1.17m, peaking at 1.09m, while the Walkford Brook at Chewton Glen climbed 0.22m.
Environment Agency advice issued
High tides tomorrow morning may lead to flooding. Flooding is possible from 07:15am to 11:15am on 23/10/2026. Locations most affected will be low lying land and roads near rivers or on the coast. Areas most at risk include Christchurch Harbour and tidal stretches of the Lower Stour and Avon. The detailed tidal forecast for those who use it is for a peak level at Christchurch of 1.25mAODN at 09:15 with NW force 6 winds. (mAODN is height above average sea level.) We are closely monitoring the situation . Avoid coastal roads, footpaths and carparks, which may be flooded. This message will b
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Iford Bridge | River Stour | +1.17m | 1.09m |
| Chewton Glen | Walkford Brook | +0.22m | 0.33m |
| New Valley Road | Danes Stream | +0.20m | 0.22m |
| Knapp Mill | River Avon | +0.11m | 0.40m |
| Throop | River Stour | +0.07m | 0.47m |