Environment Agency064WAF8LowMedKent S London and E Sussex

Lower River Medway: flood history since 2015

The Environment Agency has issued 89 flood alerts for Lower River Medway since 12 Jan 2015, most often in January; the busiest year was 2023 (16).

Flood alerts only

The flood area

Flood area: Lower River Medway
Code: 064WAF8LowMed
Environment Agency area: Kent S London and E Sussex
County: Kent, Medway
River or sea: River Medway
First in the history: 12 Jan 2015
Latest in the history file: 3 Feb 2026
Current status: check-for-flooding.service.gov.uk (the Environment Agency's live page)

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

2023 was the busiest year for Lower River Medway

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	6	0	0
2025	6	0	0
2024	10	0	0
2023	16	0	0
2022	9	0	0
2021	10	0	0
2020	11	0	0
2019	5	0	0
2018	7	0	0
2017	2	0	0
2016	5	0	0
2015	2	0	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.

Most often in January

All alerts and warnings since 2015 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.

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