A Flood Alert was issued for Tidal areas of Littlehampton Rope Walk in West Sussex on 25th October 2026. Affected watercourses included the Littlehampton Harbour.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Arun at Littlehampton rose 4.76m, peaking at 3.28m, while the River Arun at Arundel climbed 3.35m.
Environment Agency advice issued
High tides on Sunday may lead to flooding. Flooding is possible for 2 hours either side of Sunday evening's tide at 22:30 on 25/10/2026. The weather increases tide table values by 0.48 m. Total forecast tide is 6.27 metres Chart Datum (3.22 mAOD) at Littlehampton. Water will be high up slipways and could flood roads through drains. Monday morning’s tide at 11:00 on 26/10/2026 is forecast to be 15cm higher. Monday morning’s tide will be very close to the top of the river bank in Littlehampton Rope Walk. A small amount of water may affect industrial areas Monday morning. Monday evening’s tide
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Littlehampton | River Arun | +4.76m | 3.28m |
| Arundel | River Arun | +3.35m | 2.97m |
| Houghton Bridge | River Arun | +2.26m | 2.62m |
| Ferring Outfall | River Arun | +1.46m | -2.00m |
| Bognor | Aldingbourne Rife | +0.25m | 0.24m |
| Chichester Tozer Way | River Lavant | +0.24m | 12.86m |
| Hardham | River Rother | +0.06m | 0.43m |