River Thames at Trowlock Island

Flooding possible. Be prepared.

Flood alert

High tides this afternoon may lead to flooding.
Flooding is possible on 22 January 2026.
The next high tide is expected at Trowlock Island at 17:15 and is forecast to reach between 4.94m - 5.08m. The following high tide is expected at 05:30 and is forecast to reach between 4.91m - 5.05m. Further heavy rainfall is forecast over the next 24 hours.
We are closely monitoring the situation .
Don't put yourself or others at risk .
This message will be updated by 7:00PM on 23 January 2026 or as the situation changes.

Information supplied by the Environment Agency

This information last updated 4:46pm, Thursday 22nd January.

Flood Warning Area Details

River Thames at Trowlock Island including the Royal Canoe Club

Region: Thames

Country: England

Counties covered: Greater London, Richmond upon Thames

Watercourses covered: River Thames

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for River Thames at Trowlock Island.

Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).