Flood Alert Issued for Lavant Stream at Havant Following Heavy Rain Forecast
This alert is no longer in effect.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 Lavant Stream at Havant, Hampshire, with flooding possible starting Wednesday evening due to 25mm of forecast rain.
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- Record type
- Flood Alert
- Affected area
- Hampshire, South East England
- 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 Hampshire, South East England.
Alert Details
The Environment Agency has issued a flood alert for the Lavant Stream at Havant. This alert was officially raised on Wednesday, February 18, 2026, at 1:30 PM, following forecasts of high river levels and significant rainfall in the Solent and South Downs area.
Affected Areas
The alert specifically covers the Lavant Stream in Havant, Hampshire. Geographic areas at immediate risk include gardens of properties located on either side of the river at Crossland Drive, gardens at Eastern Road, and the Boy's Brigade gardens.
What You Should Do
Residents in the warning area are advised to take the following precautions:
- Consider activating any flood protection products you may have on your property.
- Monitor local conditions closely as the situation develops.
- Report any blockages in the stream or at debris screens to the Environment Agency hotline at 0800 80 70 60.
Expected Conditions
Approximately 25mm of rain is forecast for the region. These conditions may lead to high river levels and the potential for debris screens to become blocked, which could increase the risk of flooding to adjacent gardens. While heavy rain is expected initially, smaller amounts of rain are forecast from Thursday, February 19, through Sunday, February 22.
Timeline
Flooding is possible starting from 6:00 PM on Wednesday, February 18, 2026. The heavy rain is expected to clear during the morning of Thursday, February 19, 2026. River levels and the associated flood risk are anticipated to begin reducing from Thursday onward. The Environment Agency will provide an update on this situation by 6:00 PM on February 20, 2026, or sooner if conditions change significantly.
Original source: Environment Agency Official Notice ↗
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