Environment Agency111FWCWCD011Wessex
Dorset coast at Chiswell: flood history since 2006
The Environment Agency has issued 40 flood warnings and 6 severe flood warnings for Dorset coast at Chiswell since 2 Dec 2006, most often in February; the busiest year was 2014 (11).
Severe flood warnings on record
The flood area
- Flood area
- Dorset coast at Chiswell
- Code
- 111FWCWCD011
- Environment Agency area
- Wessex
- County
- Dorset Council
- River or sea
- English Channel
- First in the history
- 2 Dec 2006
- Latest in the history file
- 30 Jan 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?
Flood alerts, flood warnings and severe flood warnings (updates not counted), by year. 2026 runs to the end of June.
The numbers
| Year | Alerts | Warnings | Severe |
|---|---|---|---|
| 2026 | 0 | 3 | 0 |
| 2025 | 0 | 1 | 0 |
| 2024 | 0 | 2 | 0 |
| 2023 | 0 | 3 | 0 |
| 2022 | 0 | 3 | 0 |
| 2021 | 0 | 1 | 0 |
| 2020 | 0 | 3 | 0 |
| 2019 | 0 | 3 | 0 |
| 2018 | 0 | 1 | 0 |
| 2017 | 0 | 4 | 0 |
| 2016 | 0 | 1 | 0 |
| 2015 | 0 | 1 | 0 |
| 2014 | 0 | 5 | 6 |
| 2013 | 0 | 2 | 0 |
| 2009 | 0 | 1 | 0 |
| 2008 | 0 | 2 | 0 |
| 2007 | 0 | 2 | 0 |
| 2006 | 0 | 2 | 0 |
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?
All alerts and warnings since 2006 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
| Date | Level |
|---|---|
| 30 Jan 2026 | Flood warning |
| 22 Jan 2026 | Flood warning |
| 8 Jan 2026 | Flood warning |
| 26 Jan 2025 | Flood warning |
| 6 Apr 2024 | Flood warning |
| 28 Mar 2024 | Flood warning |
| 2 Nov 2023 | Flood warning |
| 1 Nov 2023 | Flood warning |
| 31 Mar 2023 | Flood warning |
| 18 Feb 2022 | Flood warning |
| 18 Feb 2022 | Flood warning |
| 17 Feb 2022 | Flood warning |
Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.