This is an archived message. The status has changed more recently.
Flooding possible. Be prepared.
Groundwater levels in Finchdean, Dean Lane End and Rowlands Castle are high but slowly falling. In the last week, the level at the borehole in Finchdean has fallen by 14cm. Flooding is expected to be affecting a small number of cellars. Residual flooding may continue to affect roads during this week. Dry weather is forecast from Monday 16/03/2026 to Friday 20/03/2026. Groundwater levels are expected to continue slowly falling throughout this week. If the weather forecast is favourable next week, then this Flood Alert could be removed. We are closely monitoring the situation. Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed. This message will be updated by 18:00 23/03/2026.
Information supplied by the Environment Agency
This information last updated 5:25pm, Monday 16th March.
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Warning no longer in force
Mon 23 Mar 2026, 3:29pm
Flood alert
Mon 16 Mar 2026, 5:25pm
Flood alert
Mon 9 Mar 2026, 4:33pm
Flood alert
Mon 2 Mar 2026, 11:37am
Flood alert
Mon 23 Feb 2026, 1:54pm
Flood alert
Mon 16 Feb 2026, 2:18pm
Flood alert
Mon 9 Feb 2026, 11:43am
Flood alert
Wed 4 Feb 2026, 11:16am
Flood alert
Thu 29 Jan 2026, 4:00pm
Warning no longer in force
Wed 8 May 2024, 2:01pm
Areas at risk of groundwater flooding in Finchdean, Dean Lane End, Idsworth and Rowlands Castle
Region: Solent and South Downs
Country: England
Counties covered: Hampshire, West Sussex
Watercourses covered: Groundwater
The area bounded in blue on the map shows the area covered by flood alerts and warnings for Groundwater flooding in Finchdean, Dean Lane End and Rowlands Castle.
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.