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

Alert Details

The Environment Agency has issued a flood alert for the Upper River Wey. This alert, categorized as severity level 3, indicates that flooding is possible and residents should remain vigilant as river levels remain high.

Affected Areas

The alert covers the Upper River Wey region, spanning across the counties of Hampshire, Surrey, and West Sussex. Specific impacts are anticipated on low-lying land and roads, with the Alton area identified as a primary location of concern.

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 near local watercourses.
• Take care and avoid walking, cycling, or driving through flood water.
• Monitor local conditions as the Environment Agency continues to liaise with emergency services and local authorities.

Expected Conditions

High river levels are expected to lead to the flooding of low-lying land and roads today, February 18, 2026. Further light rainfall is forecast over the next 24 hours, and river levels are expected to remain high throughout the day.

Timeline

The alert was officially raised at 11:29 on February 18, 2026. The Environment Agency expects river levels to remain high for the duration of the day. This message is scheduled to be updated by 20:00 on February 19, 2026, or sooner if the situation changes.