A Flood Alert was issued for The Suffolk and Essex coast from Felixstowe to Clacton including Orwell and Stour estuaries in Essex, Suffolk on 11th September 2026. Affected watercourses included the North Sea, River Orwell, River Deben.
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. The flood gates at Felixstowe seafront will be closed. The waterfront at Pin Mill, and The Strand at Wherstead under the Orwell Bridge may be flooded. Water may be on the quay at Mistley. The detailed forecast is for a peak level at Harwich of 2.51mAODN at 1am, on Saturday 12th September, which is 0.31m above tide tables, wind force 3, southerly. Tides are expected to be higher than usual, due to the forecast weather conditions during spring tides. We are closely monito