FloodWatch Beta — data may be periodically unavailable.

Flood Warnings in Greater London

Greater London flood warnings including the River Thames tidal and non-tidal areas.

Data from the Environment Agency. Last updated:

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Active Total
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Severe
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Alerts

No Active Flood Warnings

There are currently no active flood warnings in Greater London. This page updates automatically when new warnings are issued by the Environment Agency.

Frequently Asked Questions

How many flood warnings are active in Greater London right now?
There are currently no active flood warnings in Greater London. This page is updated in real time using data from the Environment Agency.
Where does FloodWatch get flood warning data for Greater London?
Flood warning data for Greater London comes from the Environment Agency via their open data API. FloodWatch aggregates this data in real time so you can monitor multiple sites across the UK from a single dashboard.
What is the difference between a flood alert and a flood warning in Greater London?
A flood alert means flooding is possible in Greater London — be prepared. A flood warning means flooding is expected — immediate action required. A severe flood warning means there is danger to life. These severity levels are set by the Environment Agency.

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