Flood Alert Issued for River Thames Between Hampton and Teddington

Flood Warnings medium Environment Agency · · Greater London and Surrey

A flood alert is in effect for the River Thames from Hampton to Teddington, with high tides and upstream flows threatening low-lying land and roads through February 24.

Alert Details

The Environment Agency has issued a flood alert for the River Thames. This alert, classified as severity level 3, was raised on February 23, 2026, in response to high river levels and tidal conditions.

Affected Areas

The alert covers the River Thames from Hampton and Thames Ditton to Teddington. Impacted regions include Greater London, Kingston upon Thames, Richmond upon Thames, and Surrey. Specific focus is placed on low-lying land and roads between Thames Ditton and Teddington.

What You Should Do

Residents and visitors are advised to avoid using low-lying footpaths and any bridges near local watercourses. The Environment Agency is currently monitoring rainfall and river levels while liaising with emergency services and local authorities. For the latest information, individuals should check river levels online.

Expected Conditions

Flooding is possible due to a combination of high tides and significant river flows from upstream. While very little rainfall is forecast over the next few days, river levels remain high.

  • Tide 1 (Feb 23, 6:45 PM): Expected levels between 4.98m and 5.12m.
  • Tide 2 (Feb 24, 6:30 AM): Expected levels between 5.03m and 5.17m.

River levels are expected to fall slowly following these tidal peaks.

Timeline

The alert is effective as of February 23, 2026. High-risk periods coincide with the high tides on the evening of February 23 and the morning of February 24. An update to this message is scheduled by 8:00 PM on February 24, 2026, or sooner if the situation changes.

Source: Environment Agency Official Notice

Frequently Asked Questions

What is this flood warnings alert about?
A flood alert is in effect for the River Thames from Hampton to Teddington, with high tides and upstream flows threatening low-lying land and roads through February 24.
Which agency issued this alert?
This alert was issued by Environment Agency. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects Greater London and Surrey. Check with Environment Agency for the most current geographic scope.
Where can I find more flood warnings alerts?
Browse all flood warnings alerts on Areazine at areazine.com/uk/floods/ for the latest updates from Environment Agency and other agencies.