A Flood Alert was issued for Lower River Ems in Hampshire, West Sussex between 25th and 28th February 2026. Affected watercourses included the River Ems.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Lavant at West Street rose 0.29m, peaking at 7.43m, while the River Lavant at Crosslands Drive climbed 0.16m.
Environment Agency advice issued
The River Ems is high following weeks of rain. Minor flood impacts affecting fields, Brook Meadows, rural roads, and gardens will continue. Very little rain is forecast Saturday but river levels will not fall far. More rain is forecast on Sunday (5-10mm). River levels will rise a small amount, and only minimal flood impacts are expected. River levels will remain higher than normal for weeks. Unsettled weather could continue into March, and therefore further periods of flood risk are possible. We are closely monitoring the situation operating our structure at Constant Springs, and clearing debr
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| West Street | River Lavant | +0.29m | 7.43m |
| Crosslands Drive | River Lavant | +0.16m | 0.65m |
| Havant | Hermitage Stream | +0.13m | 5.42m |
| Chichester Tozer Way | River Lavant | +0.10m | 13.54m |
| Emsworth | West Brook | +0.09m | 2.02m |
| Denmead | River Wallington | +0.08m | 33.54m |