A Flood Alert was issued for Tidal Medway, Medway estuary and Isle of Grain in Kent, Medway on 25th October 2026. Affected watercourses included the River Medway.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Medway at Hartlake Bridge rose 0.28m, peaking at 0.88m, while the River Medway at Teston climbed 0.26m.
Environment Agency advice issued
High tides overnight may lead to flooding. Flooding is possible from 21:30 this evening, 25/10/2026 to 01:30 Monday 26/10/2026 Locations most affected will be coastal roads and footpaths. We are closely monitoring the situation . Avoid coastal roads, footpaths and carparks, which may be flooded. This message will be updated by 9:00AM on Monday 26 October or as the situation changes.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Hartlake Bridge | River Medway | +0.28m | 0.88m |
| Teston | River Medway | +0.26m | 0.70m |
| Riddles Lane | Groundwater Level | +0.19m | 18.01m |
| Maidstone | River Medway | +0.17m | 0.42m |
| Allington Lock | River Medway | +0.17m | 3.98m |
| East Farleigh Gate Upstream | River Medway | +0.15m | 1.41m |
| Yalding Hampstead Lock | River Medway | +0.10m | 1.81m |
| Allington Marina | River Medway | +0.09m | 0.18m |