Flood Alert Issued for Purbeck Rivers and Streams in Dorset

Alert Details

The Environment Agency has issued a official Flood Alert for the Purbeck Rivers and Streams in the Wessex area. The alert was triggered at 5:51 PM on February 18, 2026, following reports of high river levels.

Affected Areas

The geographic scope of this alert includes locations near the Corfe Stream and Swan Brook. Specifically, the Environment Agency identifies the Corfe Castle and Swanage areas within the Dorset Council jurisdiction as being at risk of flooding.

What You Should Do

Residents and travelers in the affected areas are urged to take care. The Environment Agency recommends avoiding walking, cycling, or driving through flood water. Local authorities are currently monitoring the situation closely as river levels fluctuate.

Expected Conditions

High river levels are forecast for the evening of February 18, 2026. The primary hazard is potential flooding caused by rising water levels in the Swan Brook and Corfe Stream following recent rainfall. Further flooding is possible throughout the evening as the water continues to rise.

Timeline

The alert is currently active as of February 18, 2026. The Environment Agency expects to provide an update by 4:00 PM on February 19, 2026, or earlier if the situation changes significantly.