Flood Alert Issued for Suffolk's Deben Estuary in East Anglia

Source: Environment Agency · East Anglia, Suffolk

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The Environment Agency has issued a flood alert for the tidal Deben estuary in Suffolk, with flooding possible between 12:30am and 2:30am on April 19, 2026, due to high tides.

What this Environment Agency flood warning tells you, and what most readers miss

This notice was issued by Environment Agency on April 20, 2026 and geographically references East Anglia, Suffolk. Its severity classification of "medium" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Flood Warnings — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly Environment Agency detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized Environment Agency flood warning is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, FloodAlert, EastAnglia) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

The Environment Agency has issued a Flood Alert (severity level 3) for the affected areas. This alert was raised on April 18, 2026, at 15:07:23, with flooding possible during the time window of 12:30am to 2:30am on April 19, 2026.

Affected Areas

The alert impacts the tidal Deben estuary in East Anglia, specifically in Suffolk county. Areas at risk include the boat yard in Felixstowe Ferry hamlet at the end of Ferry Road, riverside areas in Woodbridge and Waldringfield, and surrounding marshland.

What You Should Do

Residents in the warning area should avoid coastal roads, footpaths, and carparks, which may be flooded. The situation is being monitored, and updates will be provided.

Expected Conditions

High tides are forecasted, with a peak level at Harwich of 2.52mAODN at 01:30am on April 19, 2026, which is 0.38m above tide tables. Wind conditions are Force 5, North Westerly. No further high tides are expected over the coming days.

Timeline

The alert is effective between 12:30am and 2:30am on April 19, 2026. This message will be updated by 11:00AM on April 19, 2026, or as the situation changes.

Original source: Environment Agency Official Notice ↗

All Flood Warnings →

Frequently Asked Questions

Common questions about this Environment Agency flood warning.

What is this Environment Agency flood warning about?
The Environment Agency has issued a flood alert for the tidal Deben estuary in Suffolk, with flooding possible between 12:30am and 2:30am on April 19, 2026, due to high tides.
Which agency issued this alert?
This alert was issued by Environment Agency. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects East Anglia, Suffolk. Check with Environment Agency for the most current geographic scope.
Where can I find more Flood Warnings updates?
Browse the full Flood Warnings feed on Areazine at areazine.com/uk/floods/ for the latest updates from Environment Agency and other agencies.