A Flood Alert was issued for Coastal areas of West Wittering to Medmerry in West Sussex on 25th October 2026. Affected watercourses included the The Solent, English Channel.
During this event, FloodRadar monitoring gauges recorded notable rises. The Tide at Medmerry rose 1.49m, peaking at 2.79m, while the West Brook at Emsworth climbed 0.34m.
Environment Agency advice issued
High tides on Monday may lead to flooding. Flooding is possible for 2 hours either side of Monday morning's tide at 11:00 on 26/10/2026. The weather increases tide table values by 0.43 m. Total forecast tide is 5.37 metres Chart Datum (2.63 mAOD) at Chichester Harbour. Strong Southerly Force 7 wind. Strong winds and large waves may push the tide to the top of the beach at Bracklesham, with possibility of water flowing into ditches behind. Spray will affect beach top properties at the end of West Sands Lane and Medmerry. Monday's tide at 23:15 on 26/10/2026 is forecast to be 31 cm lower (2.32
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Medmerry | Tide | +1.49m | 2.79m |
| Emsworth | West Brook | +0.34m | 2.09m |
| Bognor | Aldingbourne Rife | +0.25m | 0.24m |
| Chichester Tozer Way | River Lavant | +0.24m | 12.86m |
| West Street | River Lavant | +0.18m | 7.22m |
| Westbourne | River Ems | +0.06m | 0.13m |