Flood Alert Issued for River Thames at Trowlock Island in Richmond upon Thames

Alert Details

The Environment Agency has issued a flood alert for the River Thames at Trowlock Island. This alert, classified as severity level 3, indicates that flooding is possible in the area due to a combination of high tides and significant river flows coming from upstream.

Affected Areas

The alert specifically covers low-lying land and roads in the Trowlock Island area of the River Thames. This region is located within the London Borough of Richmond upon Thames in Greater London.

What You Should Do

Residents and visitors are advised to take care and avoid walking, cycling, or driving through flood water. The Environment Agency recommends monitoring current river levels online for the most up-to-date information as conditions evolve.

Expected Conditions

High tides are expected to reach significant levels over the next two days. The forecast includes specific tide peaks:

• February 16 at 2:15 PM: Tide reaching approximately 5.29m.
• February 17 at 3:00 AM: Tide reaching approximately 5.19m.
• February 17 at 3:15 PM: Tide reaching approximately 5.32m.

Additionally, light rainfall is forecast for the next 48 hours, which is expected to keep river levels high for several days.

Timeline

The alert was officially raised on the morning of February 16, 2026. The current warning message remains active through the high tide cycles on February 16 and 17. An update from the Environment Agency is expected by 8:00 PM on February 17, 2026, or sooner if the situation changes.