Flood Alert Issued for Lymington River in Hampshire as Heavy Rain Approaches

Alert Details

The Environment Agency has issued a flood alert for the Lymington River area within the Solent and South Downs region. This level 3 alert indicates that flooding is possible due to heavy rainfall forecast for the area.

Affected Areas

The alert specifically covers the Lymington River catchment in Hampshire. Key areas of concern include:

• Brockenhurst: Land and roads including Burley Road, Martin’s Road, and Balmer Lawn Road.
• Lymington: The river is expected to be higher than normal through the town center.

What You Should Do

Residents in the affected areas should consider activating any available flood protection products. The Environment Agency strongly advises against driving through watersplash areas, particularly in Brockenhurst. Local officials are monitoring rainfall and river levels while ensuring the channel remains free of blockages.

Expected Conditions

A significant rainfall event is expected on Wednesday, February 18, 2026, with 25mm of rain forecast. These conditions will likely cause the Lymington River to run bank full as it passes through Martin’s Road and Balmer Lawn Road. Garden flooding is possible at Balmer Lawn Road. In Lymington, river levels will be higher than normal.

Timeline

The flood risk is highest on Wednesday, February 18, and is expected to continue into the evening and through Thursday, February 19. While a small amount of rain is forecast between Thursday and Saturday, February 21, river levels and the overall flood risk are expected to begin reducing in Brockenhurst and Lymington starting Thursday. This alert will be updated by 6:00 PM on February 19, 2026.