Flood Alert Issued for Mansbridge and Riverside Park Along River Itchen

Alert Details

The Environment Agency has issued a Flood Alert (Severity Level 3) for the Solent and South Downs area, specifically targeting Mansbridge and Riverside Park. The alert was raised on February 16, 2026, following high river levels on the River Itchen.

Affected Areas

The primary areas affected include Mansbridge and Riverside Park within the county of Hampshire and the city of Southampton. Specific locations at risk include the access road and car parking areas near the White Swan Pub and the nearby car garage. Parts of Riverside Park are also expected to experience flooding.

What You Should Do

Residents and business owners in the affected area are advised to consider activating any flood protection products they may have, including specific defenses around the White Swan Pub. The Environment Agency is currently monitoring rainfall and river levels and is liaising with Southampton City Council regarding the operation of Woodmill.

Expected Conditions

River levels are expected to reach 4.65 metres Chart Datum (1.91 mAOD). Conditions may result in water being forced up through the floor of the White Swan Pub. While the high tide at 10:45 AM on February 17 is expected to be 10cm lower than previous peaks, further heavy rain forecast for Wednesday, February 18, is expected to increase the overall flood risk.

Timeline

The alert is currently active. High tides are forecast for 10:45 PM on February 16, 2026, and 00:45 AM on February 17, 2026. A subsequent high tide is expected at 10:45 AM on February 17. The Environment Agency expects to update this message by 6:00 PM on February 17, 2026, as they monitor the increased risk forecast for Wednesday.