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Flooding possible. Be prepared.
High river levels on Thursday may lead to flooding.
Flooding is possible on 22 January 2026 from 17:00. A lot of rain (40mm) has fallen since Tuesday.
Minor flooding could affect the A29, gardens, and rural roads. From 23:00 on 22/01/2026 water could approach properties on Lower Street and Swan Corner, Pulborough and Bridge Cottages, Greatham. Over high tides (14:00 and 02:00) water will be high up banks near Houghton Bridge, Amberley, and Arundel, but property flooding is not currently expected in Amberley and Arundel. Small amounts of rain are forecast each of the next five days. River levels should peak by 08:00 on 23/01/2026. However, river levels will be slow to fall, and flood risk could continue through to Sunday 25/1/2026.
We are closely monitoring the situation . Our pumps in Pulborough are running to help reduce flood risk.
Consider activating any flood protection products you may have . Install flood protection products in Pulborough, Amberley and Arundel.
This message will be updated by 12:00PM on 23 January 2026 or as the situation changes.
Information supplied by the Environment Agency
This information last updated 8:51am, Thursday 22nd January.
The Rivers Arun, Chilt, Stor and Tortington Stream
Region: Solent and South Downs
Country: England
Counties covered: West Sussex
Watercourses covered: Arun
The area bounded in blue on the map shows the area covered by flood alerts and warnings for Lower Arun.
Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.