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Flood Alert

Flood Alert: The tidal Deben estuary - 18th April 2026

📍 Suffolk 🌊 River Deben, North Sea 📅 18 April 2026

A Flood Alert was issued for The tidal Deben estuary in Suffolk on 18th April 2026. Affected watercourses included the River Deben, 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 12:30am and 2:30am tomorrow, Sunday 19 April.  Tide levels will be high around the boat yard in Felixstowe Ferry hamlet at the end of Ferry Road, and along riverside areas in Woodbridge and Waldringfield, as well as in surrounding marshland. The detailed forecast is for a peak level at Harwich of 2.52mAODN at 01:30am tomorrow Sunday 19 April, which is 0.38m above tide tables, Wind Force 5, North Westerly. No further high tides are expected over the coming days.  We are closely monitoring the situation .  Avoid coastal roa

This report is automatically compiled from Environment Agency flood warning records and FloodRadar river-level monitoring data. Figures are observed gauge readings during the event period. This is a historical record, not a live warning — always check current flood warnings and gov.uk.