Flood Alert Issued for Lower River Ems in Hampshire and West Sussex

Alert Details

The Environment Agency has issued a flood alert for the Lower River Ems within the Solent and South Downs area. This alert (ID: 065WAF411) was raised on February 22, 2026, at 1:26 PM following weeks of persistent rainfall that has left river levels high.

Affected Areas

The alert covers the Lower River Ems region spanning Hampshire and West Sussex. Specific areas currently seeing minor flood impacts include fields, Brook Meadows, rural roads, and gardens. Residents in Westbourne and Emsworth are advised to remain vigilant.

What You Should Do

Residents in the affected areas, particularly in Westbourne and Emsworth, should consider activating any flood protection products they may have. Because flooding may occur quickly, it is important to monitor local conditions. The Environment Agency is currently monitoring the situation, operating the structure at Constant Springs, and clearing debris screens to mitigate risk.

Expected Conditions

The River Ems remains high. A small amount of light rain—less than 5mm—is expected on Sunday morning, which is likely to cause only a minimal rise in river levels. While rain is predicted to clear by Sunday afternoon, river levels are expected to remain higher than normal for several weeks. Only isolated showers are predicted from Monday through Friday.

Timeline

The alert is currently in effect as of February 22, 2026. Rain is expected to clear the area on Sunday afternoon. River levels are projected to begin a slow decline starting Tuesday, February 24, 2026. However, unsettled weather may continue throughout February, potentially leading to further periods of flood risk. This message will be updated by 8:00 PM on February 23, 2026.