Flood Alert Issued for Tidal Thames Riverside Between Thames Barrier and Putney Bridge

Source: Environment Agency · Greater London

This alert is no longer in effect.

Environment Agency issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

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.

The Environment Agency has issued a flood alert for the Tidal Thames riverside, with high tides expected to cause potential flooding in London boroughs between 12:45 PM and 2:45 PM today.

Read this weather record in 30 seconds

Record type
Flood Alert
Affected area
Greater London
Issued
April 6, 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: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Greater London.

Alert Details

The Environment Agency has issued a flood alert for the Tidal Thames riverside, stretching from the Thames Barrier to Putney Bridge. The alert was officially raised at 8:19 AM on March 3, 2026, in response to rising astronomical tide levels.

Affected Areas

The alert covers a broad geographic area including the City of London, Greater London, Greenwich, Hammersmith and Fulham, Kensington and Chelsea, Lambeth, Lewisham, Newham, Southwark, Tower Hamlets, Wandsworth, and Westminster.

Specific locations identified as having a possibility of flooding include:

  • Custom House (EC3R)
  • Narrow Street (E14)
  • Mayflower and Angel pubs (SE16)
  • Royal Naval College riverfront
  • The Almshouse Slipway at Crane Street (SE10)
  • Bankside by the Tate Modern (SE1)
  • Three Mill Island (E3)

What You Should Do

Residents and visitors in the affected areas are advised to take care and avoid walking, cycling, or driving through flood water. While the Environment Agency is closely monitoring the situation, flooding of properties is not currently expected.

Expected Conditions

High tides are expected to lead to potential flooding. The forecast high tide at London Bridge is predicted to reach 4.55 mAOD at 1:45 PM on March 3, 2026. Current river flow at Teddington Weir is measured at 166 cubic metres per second and is falling slowly.

Timeline

The alert is specifically effective for the window between 12:45 PM and 2:45 PM on March 3, 2026. Officials expect to provide an update by 6:00 PM today, or sooner if the situation changes.

Original source: Environment Agency Official Notice ↗

All Flood Warnings →

Frequently Asked Questions

Common questions about this Environment Agency flood warning.

What is this Environment Agency flood warning about?
The Environment Agency has issued a flood alert for the Tidal Thames riverside, with high tides expected to cause potential flooding in London boroughs between 12:45 PM and 2:45 PM today.
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.