Skip to main content
AREAZINENotices · US CA UK AU

Environment Agency111WATPOOHWessex

Dorset coast at Poole Harbour: flood history since 2011

The Environment Agency has issued 209 flood alerts for Dorset coast at Poole Harbour since 7 Jan 2011, most often in February; the busiest year was 2014 (30).

Flood alerts only

The flood area

Flood area
Dorset coast at Poole Harbour
Code
111WATPOOH
Environment Agency area
Wessex
County
Bournemouth, Christchurch and Poole, Dorset Council
River or sea
English Channel
First in the history
7 Jan 2011
Latest in the history file
2 Feb 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.

How many alerts and warnings a year?

2014 was the busiest year for Dorset coast at Poole Harbour
1020302011: 420112012: 1120122013: 1120132014: 3020142015: 1920152016: 2520162017: 1220172018: 1420182019: 1520192020: 1720202021: 120212022: 1120222023: 1120232024: 1320242025: 1020252026: 520262026 to June1020302011: 420112012: 1120122013: 1120132014: 3020142015: 1920152016: 2520162017: 1220172018: 1420182019: 1520192020: 1720202021: 120212022: 1120222023: 1120232024: 1320242025: 1020252026: 520262026 to June1020302011: 420112012: 112013: 112014: 3020142015: 192016: 2520162017: 122018: 1420182019: 152020: 1720202021: 12022: 1120222023: 112024: 1320242025: 102026: 520262026 to June1020302011: 420112012: 112013: 112014: 302015: 1920152016: 252017: 122018: 142019: 152020: 1720202021: 12022: 112023: 112024: 132025: 102026: 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
20251000
20241300
20231100
20221100
2021100
20201700
20191500
20181400
20171200
20162500
20151900
20143000
20131100
20121100
2011400

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 February
2040Jan: 27JanFeb: 34FebMar: 17MarApr: 10AprMay: 4MayJun: 1JunJul: 1JulAug: 15AugSep: 14SepOct: 28OctNov: 32NovDec: 26Dec342040Jan: 27JanFeb: 34FebMar: 17MarApr: 10AprMay: 4MayJun: 1JunJul: 1JulAug: 15AugSep: 14SepOct: 28OctNov: 32NovDec: 26Dec342040Jan: 27JanFeb: 34FebMar: 17MarApr: 10AprMay: 4MayJun: 1JunJul: 1JulAug: 15AugSep: 14SepOct: 28OctNov: 32NovDec: 26Dec342040Jan: 27JFeb: 34FMar: 17MApr: 10AMay: 4MJun: 1JJul: 1JAug: 15ASep: 14SOct: 28ONov: 32NDec: 26D34

All alerts and warnings since 2011 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
2 Feb 2026Flood alert
26 Jan 2026Flood alert
22 Jan 2026Flood alert
20 Jan 2026Flood alert
8 Jan 2026Flood alert
8 Dec 2025Flood alert
5 Dec 2025Flood alert
6 Nov 2025Flood alert
5 Nov 2025Flood alert
4 Nov 2025Flood alert
10 Sep 2025Flood alert
9 Sep 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.