Flood Alert Issued for River Adur East Branch in East and West Sussex
This alert is no longer in effect.
Environment Agency issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this Environment Agency flood warning directly from Environment Agency's official public data feed. See our methodology for full source attribution and refresh cadence.
The Environment Agency has issued a flood alert for the River Adur East Branch, warning of potential minor flooding near Mock Bridge and Shermanbury through Monday morning.
Read this weather record in 30 seconds
- Record type
- Flood Alert
- Affected area
- East and West Sussex
- Issued
- April 6, 2026
- Issuing authority
- Environment Agency
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in East and West Sussex.
Alert Details
The Environment Agency has issued a flood alert for the River Adur East Branch. This level 3 severity alert indicates that flooding is possible and residents should remain prepared for minor impacts in the affected region.
Affected Areas
The alert covers the Solent and South Downs area, specifically impacting geographic regions within East Sussex and West Sussex along the River Adur. Specific locations identified at risk include fields, rural roads, and properties at Mock Bridge near Shermanbury.
What You Should Do
Residents and travelers are advised to avoid roads that are susceptible to flooding, specifically the A281 at Mock Bridge. Residents in low-lying areas should monitor local water levels and prepare for potential minor flooding in gardens and rural transit routes.
Expected Conditions
Persistent rain is forecast to continue until 17:00 on February 15, 2026. While only a small rise in the river is currently expected, impacts are likely to include the flooding of fields and rural roads. From 22:00 on February 15, minor flooding may approach the gardens of properties at Mock Bridge. Conditions are expected to remain unsettled throughout February, with further widespread rain forecast for Wednesday.
Timeline
- Rain Duration: Persistent rainfall expected until 17:00 on February 15, 2026.
- Peak Levels: River levels are expected to peak and begin falling by 06:00 on February 16, 2026.
- Short-term Forecast: Isolated showers are expected Monday and Tuesday, allowing levels to fall toward normal.
- Long-term Outlook: Widespread rain is forecast for Wednesday, February 18, which may cause flood risks to return.
- Next Update: The Environment Agency will update this message by 20:00 on February 16, 2026.
Original source: Environment Agency Official Notice ↗
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