A Flood Alert was issued for The Essex coast from Clacton to and including, St Peters Flat and the Colne and Blackwater estuaries in Essex on 11th September 2026. Affected watercourses included the North Sea.
Local monitoring gauges did not record a significant level change for this event, which may indicate a precautionary or rainfall-forecast-based alert.
Environment Agency advice issued
High tides overnight may lead to flooding. Flooding is possible between 12am and 2am overnight on Saturday 12th September. Clacton Promenade, Lee-over-Sands and Brightlingsea sea front may see some wave overtopping and spray. The Strood at Mersea Island, Coast Road and car parks on the front at West Mersea, and the Hythe and Promenade at Maldon may be flooded. The detailed forecast is for a peak level at Clacton of 2.86mAODN at 1am, on Saturday 12th September, which is 0.39m above tide tables, wind force 3, southerly. Tides are expected to be higher than usual, due to the forecast weather co