Flood Alert Issued for Upper River Wey Affecting Hampshire, Surrey, and West Sussex

Alert Details

Type: Flood Alert (Severity Level 3)
Issued By: Environment Agency (Thames Area)
Effective Window: February 15, 2026, through February 16, 2026

Affected Areas

The Environment Agency has identified the Upper River Wey as the primary area of concern. This alert covers geographic regions within Hampshire, Surrey, and West Sussex. Flooding is specifically expected to impact low-lying land and roads, with particular emphasis on the Alton and Tilford areas.

What You Should Do

Residents and travelers in the affected areas are advised to take the following precautions:

• Avoid using low-lying footpaths and any bridges located near local watercourses.
• Exercise extreme caution and avoid walking, cycling, or driving through flood water.
• Monitor local conditions as river levels remain responsive to additional rainfall.

Expected Conditions

River levels are currently rising due to recent precipitation. Further rainfall is forecasted for this afternoon and evening, which may be heavy at times. These conditions are expected to lead to the flooding of roads and low-lying land near the River Wey. The Environment Agency is closely monitoring the situation as the river remains sensitive to further weather inputs.

Timeline

The alert was officially raised on the afternoon of February 15, 2026. Hazardous conditions are expected to persist into February 16, 2026. The Environment Agency plans to provide an update on the situation by 8:00 PM on February 16, 2026, or sooner if conditions change significantly.