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Environment Agency051WACDV4CEast Anglia

The Essex coast from Clacton to and including, St Peters Flat and the Colne and Blackwater estuaries: flood history since 2008

The Environment Agency has issued 400 flood alerts for The Essex coast from Clacton to and including, St Peters Flat and the Colne and Blackwater estuaries since 16 Nov 2008, most often in September; the busiest year was 2012 (92). The history file ends in June 2026; AreaZine's record of the live feed adds 10 since 1 July 2026.

Flood alerts only

The flood area

Flood area
The Essex coast from Clacton to and including, St Peters Flat and the Colne and Blackwater estuaries
Code
051WACDV4C
Environment Agency area
East Anglia
County
Essex
River or sea
North Sea
First in the history
16 Nov 2008
Latest in the history file
18 Apr 2026
Latest in AreaZine's record
Flood alert, 29 Sep 2026
Current status
check-for-flooding.service.gov.uk (the Environment Agency's live page)

Flood alert, flood warning, severe flood warning: what each means

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

The latest: since 1 July 2026, in AreaZine's record of the live feed

DateLevel
29 Sep 2026Flood alert
28 Sep 2026Flood alert
27 Sep 2026Flood alert
26 Sep 2026Flood alert
13 Sep 2026Flood alert
11 Sep 2026Flood alert
15 Aug 2026Flood alert
14 Aug 2026Flood alert
18 Jul 2026Flood alert
17 Jul 2026Flood alert

How many alerts and warnings a year?

2012 was the busiest year for The Essex coast from Clacton to and including, St Peters Flat and the Colne and Blackwater estuaries
2550751002010: 120102011: 2620112012: 9220122013: 4520132014: 1420142015: 2020152016: 2120162017: 2420172018: 1420182019: 1020192020: 2620202021: 1320212022: 2320222023: 2120232024: 2620242025: 1920252026: 520262026 to June2550751002010: 120102011: 262012: 9220122013: 452014: 1420142015: 202016: 2120162017: 242018: 1420182019: 102020: 2620202021: 132022: 2320222023: 212024: 2620242025: 192026: 520262026 to June2550751002010: 120102011: 262012: 9220122013: 452014: 1420142015: 202016: 2120162017: 242018: 1420182019: 102020: 2620202021: 132022: 2320222023: 212024: 2620242025: 192026: 520262026 to June2550751002010: 120102011: 262012: 922013: 452014: 142015: 2020152016: 212017: 242018: 142019: 102020: 2620202021: 132022: 232023: 212024: 262025: 192026: 520262026 to June

Flood alerts, flood warnings and severe flood warnings (updates not counted), by year. 2026 runs to the end of June.

The numbers
YearAlertsWarningsSevere
2026500
20251900
20242600
20232100
20222300
20211300
20202600
20191000
20181400
20172400
20162100
20152000
20141400
20134500
20129200
20112600
2010100

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

When in the year?

Most often in September
204060Jan: 33JanFeb: 42FebMar: 31MarApr: 25AprMay: 11MayJun: 6JunJul: 8JulAug: 40AugSep: 60SepOct: 57OctNov: 52NovDec: 35Dec60204060Jan: 33JanFeb: 42FebMar: 31MarApr: 25AprMay: 11MayJun: 6JunJul: 8JulAug: 40AugSep: 60SepOct: 57OctNov: 52NovDec: 35Dec60204060Jan: 33JanFeb: 42FebMar: 31MarApr: 25AprMay: 11MayJun: 6JunJul: 8JulAug: 40AugSep: 60SepOct: 57OctNov: 52NovDec: 35Dec60204060Jan: 33JFeb: 42FMar: 31MApr: 25AMay: 11MJun: 6JJul: 8JAug: 40ASep: 60SOct: 57ONov: 52NDec: 35D60

All alerts and warnings since 2008 by month.

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

Before July 2026: the latest in the history file

DateLevel
18 Apr 2026Flood alert
22 Mar 2026Flood alert
3 Mar 2026Flood alert
17 Feb 2026Flood alert
1 Jan 2026Flood alert
7 Dec 2025Flood alert
16 Nov 2025Flood alert
8 Nov 2025Flood alert
7 Nov 2025Flood alert
6 Nov 2025Flood alert
5 Nov 2025Flood alert
4 Nov 2025Flood alert

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.