Flood Alert for Tidal Thames Riverside from Putney Bridge to Teddington Weir

Source: Environment Agency · Greater London

Areazine synthesizes this Environment Agency flood warning directly from Environment Agency's official public data feed. See our methodology for full source attribution and refresh cadence.

A flood alert has been issued for the Tidal Thames riverside from Putney Bridge to Teddington Weir due to high tides tomorrow morning.

The weather record, at a glance

Record type
Flood Alert
Affected area
Greater London
Issued
September 11, 2026
Issuing authority
Environment Agency

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.

Alert Details

The Environment Agency has issued a Flood Alert (severity: Flood alert, severity_level: 3) for the Tidal Thames riverside from Putney Bridge to Teddington Weir. The alert was raised at 2026-09-11T18:12:26 and the message was last changed at 2026-09-11T18:12:00.

Affected Areas

The alert covers Greater London, specifically the areas of Hammersmith and Fulham, Hounslow, Richmond upon Thames, and Wandsworth along the River Thames. Possible flooding locations include Putney Embankment (SW15), Chiswick Mall and Strand on the Green (W4), Thames Bank at Mortlake (SW14), Ranelagh Drive (TW1), Friars Lane and Water Lane (TW9), Riverside and The Embankment at Twickenham, and the Towpath below Teddington Lock.

What You Should Do

Residents should take care and avoid walking, cycling or driving through flood water. The agency is closely monitoring the situation, and the message will be updated by 10:00AM on 12 September 2026 or as conditions change.

Expected Conditions

High tides tomorrow morning may lead to flooding. The forecast high tide at Richmond is 4.60 mAOD at 4:15 AM on 12/09/2026. The river flow at Teddington Weir is 6 cubic metres per second and is steady, with flows anticipated to remain steady over the next few days. Flooding of properties is not expected.

Timeline

Flooding is possible from 02:15 AM to 06:15 AM on 12/09/2026.

Original source: Environment Agency Official Notice ↗

All Flood Warnings →

Elsewhere in the country: similar length or severity timing 8

Two Areazine-derived peer sets for this Environment Agency flood warning: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

What People Ask

Questions readers often have about this Environment Agency flood warning.

What is this Environment Agency flood warning about?
A flood alert has been issued for the Tidal Thames riverside from Putney Bridge to Teddington Weir due to high tides tomorrow morning.
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. Check with Environment Agency for the most current geographic scope.
Where can I find more Flood Warnings updates?
Browse the full Flood Warnings feed on Areazine at areazine.com/uk/floods/ for the latest updates from Environment Agency and other agencies.