Flood Alert Issued for River Thames from Hampton to Teddington

Alert Details

The Environment Agency has issued a flood alert for the River Thames area. The alert, classified as severity level 3, was raised on February 17, 2026, at 10:45 AM. Officials indicate that a combination of high tides and high river flows upstream has increased the risk of flooding in the region.

Affected Areas

The alert covers the River Thames from Hampton and Thames Ditton to Teddington. Specific geographic regions and counties impacted include:

• Kingston upon Thames
• Richmond upon Thames
• Greater London
• Surrey

Flooding of low-lying land and roads is possible, with the Kingston area noted as being especially at risk.

What You Should Do

Residents and commuters in the affected areas should take the following precautions:

• Take care and avoid walking, cycling, or driving through flood water.
• Monitor current river levels through official online updates.
• Stay informed as the situation develops, particularly with rainfall in the forecast.

Expected Conditions

While the forecast for today, February 17, is dry, further rainfall is expected tomorrow, February 18, 2026. River levels are anticipated to remain high over the next few days. Specific tidal forecasts include:

• First High Tide: Expected at 3:15 PM on February 17, with levels reaching between 5.14m and 5.33m.
• Second High Tide: Expected at 3:30 AM on February 18, with levels reaching between 4.74m and 4.93m.

Timeline

The alert is currently active as of February 17, 2026. The Environment Agency is actively monitoring rainfall and river levels. An update to this message is expected by 8:00 PM on February 18, 2026, or sooner if conditions change significantly.