River Thames at Trowlock Island Flood alert 10:26am, Monday 30th March

Flooding possible. Be prepared.

Flood alert

High tides today may lead to flooding.
Flooding is possible from the morning of 30 March 2026.
The next high tide is expected at Trowlock at 12:45 and is forecast to reach between 5.07m - 5.37m. The following high tide is expected at 01:45 and is forecast to reach between 4.77m - 5.07m. No further rainfall is forecast. We expect river levels to remain high over the next few days.
We are closely monitoring the situation .
Avoid using low lying footpaths and any bridges near local watercourses .
This message will be updated by 7:00PM on 30 March 2026 or as the situation changes.

Information supplied by the Environment Agency

This information last updated 10:26am, Monday 30th March.

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Most recent flood warnings and alerts for River Thames at Trowlock Island

Warning no longer in force
Mon 30 Mar 2026, 4:53pm
Flood alert
Mon 30 Mar 2026, 10:26am
Warning no longer in force
Sat 7 Mar 2026, 6:20pm
Flood alert
Sat 7 Mar 2026, 8:27am
Flood alert
Fri 6 Mar 2026, 5:21pm
Flood alert
Fri 6 Mar 2026, 9:32am
Flood alert
Thu 5 Mar 2026, 6:31pm
Flood alert
Thu 5 Mar 2026, 9:25am
Flood alert
Wed 4 Mar 2026, 6:21pm
Flood alert
Wed 4 Mar 2026, 10:02am

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).