Flood Alert Issued for Lower Itchen Area in Hampshire and Southampton

Alert Details

The Environment Agency has issued a flood alert for the Lower Itchen area within the Solent and South Downs region. The alert was officially raised on February 17, 2026, following forecasts of heavy rainfall that may lead to rising river levels.

Affected Areas

The alert specifically covers regions within Hampshire and Southampton along the River Itchen. Key locations identified for potential minor flood impacts include:

• Bishopstoke Road Playing Fields
• Residential gardens in Bishopstoke
• The top of Duttons Lane
• Withy Meadows in Eastleigh

What You Should Do

Residents in the warning zone are advised to consider activating any flood protection products they may have. The Environment Agency is actively monitoring rainfall and river levels and is managing sluices at Bishopstoke and Stoke Lock to mitigate risk. Residents should stay informed as flooding impacts will increase if heavy rain continues to affect the River Itchen.

Expected Conditions

A significant rainfall event of approximately 25mm is forecast for the area. This precipitation is expected to result in high river levels on Wednesday. While current projections suggest minor impacts, the severity of the flooding is dependent on the total rainfall affecting the river catchment.

Timeline

Flooding is considered possible on Wednesday, February 18, 2026. River levels and the overall flood risk are expected to begin reducing by Thursday, February 19, 2026. The Environment Agency will provide an update on the situation by 6:00 PM on February 19, 2026, or earlier if conditions change.