A Flood Alert was issued for East coast of Dorset in Bournemouth, Christchurch and Poole, Dorset Council on 22nd October 2026. Affected watercourses included the English Channel.
During this event, FloodRadar monitoring gauges recorded notable rises. The Dorset Coast at Poole Harbour rose 1.13m, peaking at 0.94m, while the Swan Brook at Swanage Prospect Farm Swan Brook climbed 0.20m.
Environment Agency advice issued
High tides tomorrow morning may lead to flooding. Flooding is possible from 03:20am to 7:20am on 23/10/2026. Areas most at risk include Castletown, and Preston Beach at Weymouth. Other areas at Swanage Bay, Studland Bay, Sandbanks, Poole Harbour, Bournemouth Beach, Hengistbury Head and Christchurch Harbour may also be affected. The detailed tidal forecast for those who use it is for a peak level at Weymouth of 1.56mAODN at 05:20 with southerly force 7 winds. (mAODN is height above average sea level.) We are closely monitoring the situation . Avoid coastal roads, footpaths and carparks, whi
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Poole Harbour | Dorset Coast | +1.13m | 0.94m |
| Swanage Prospect Farm Swan Brook | Swan Brook | +0.20m | 0.59m |
| East Stoke | River Frome | +0.19m | 0.78m |
| Swanage King Georges Field St Marys Church | Swan Brook | +0.08m | 0.05m |