Real-Time UK Flood Warnings and River Level Measurements

Environment Agency flood-monitoring API provides real-time information on flood warnings, alerts, and water levels across the UK. The data includes forecasts for the next three days and details from monitoring stations. It is published by the UK Environment Agency and was last updated in April 2026.

Use Cases

• Predict flood risk levels over the next three days using forecast data and real-time water level measurements.
• Map flood alert areas and correlate them with specific monitoring station locations and river level readings.
• Analyze time-series trends in water flow and level data from individual sensor stations for hydrological modeling.
• Build alert systems that trigger based on specific flood warning severity levels and their associated geographic areas.

Strengths

• Provides real-time data updates via API
• Includes a three-day forecast horizon for flood risk

Limitations

• Specific historical depth, total row count, and station count are unknown
• Geographic coverage is limited to the United Kingdom

Provenance

Source

UK Environment Agency

Collection Method

Data collected from a network of monitoring stations and forecasting systems.

Time Range

Real-time and forecast data; full historical archive extent is unknown.

Freshness

Real-time API; platform metadata indicates a last update in April 2026.

Geography

United Kingdom