Environment Agency061WAF30UpperWeyThames

Upper River Wey: flood history since 2012

The Environment Agency has issued 119 flood alerts for Upper River Wey since 29 Apr 2012, most often in January; the busiest year was 2023 (17).

Flood alerts only

The flood area

Flood area: Upper River Wey
Code: 061WAF30UpperWey
Environment Agency area: Thames
County: Hampshire, Surrey, West Sussex
River or sea: River Wey
First in the history: 29 Apr 2012
Latest in the history file: 21 Jan 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 Upper River Wey

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	2	0	0
2025	6	0	0
2024	11	0	0
2023	17	0	0
2022	13	0	0
2021	13	0	0
2020	9	0	0
2019	8	0	0
2018	10	0	0
2017	3	0	0
2016	9	0	0
2015	5	0	0
2014	6	0	0
2013	3	0	0
2012	4	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 2012 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.