A Flood Alert was issued for The Essex coast at Coalhouse Fort in Thurrock on 11th September 2026. Affected watercourses included the Thames Estuary.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Crouch at Noak Bridge rose 0.11m, peaking at -0.65m, while the River Crouch at Wickford climbed 0.08m.
Environment Agency advice issued
High tides overnight may lead to flooding. Flooding is possible between 12:45am and 2:45am overnight on Saturday 12th September. Areas most at risk are Coalhouse Fort and car park, and the low lying land between the fort and Coalhouse Point. The detailed forecast is for a peak level at Southend of 3.42mAODN at 1:45am, on Saturday 12th September, which is 0.25m above tide tables, wind force 3, south westerly. Tides are expected to be higher than usual, due to the forecast weather conditions during spring tides. We are closely monitoring the situation . Avoid coastal roads, footpaths and car
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Noak Bridge | River Crouch | +0.11m | -0.65m |
| Wickford | River Crouch | +0.08m | 0.19m |
| Gaynes Park | River Ingrebourne | +0.05m | 0.15m |