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Flood Alert

Flood Alert: Coast from Dartford to Allhallows - March 2026

📍 Bexley, Greater London, Kent, Medway 🌊 River Thames 📅 3 March 2026

A Flood Alert was issued for Coast from Dartford to Allhallows in Bexley, Greater London, Kent, Medway between 2nd and 3rd March 2026. Affected watercourses included the River Thames.

During this event, FloodRadar monitoring gauges recorded notable rises. The River Medway at Allington Lock rose 0.19m, peaking at 4.06m, while the River Medway at Allington Marina climbed 0.18m.

Environment Agency advice issued

High tides today may lead to flooding. Flooding is possible from 10:30 to 14:30 on 03/03/2026. High tide is expected at 12:30. Locations most affected will be coastal roads and footpaths. For those that need it, the forecast total peak water level at Sheerness is 3.52 m AOD. We are closely monitoring the situation. Avoid coastal roads, footpaths and carparks, which may be flooded. This message will be updated by 20:00 on 03 March 2026 or as the situation changes.

Monitoring gauges during this event

StationRiverRisePeak
Allington Lock River Medway +0.19m 4.06m
Allington Marina River Medway +0.18m 0.29m
Noak Bridge River Crouch +0.05m -0.65m

This report is automatically compiled from Environment Agency flood warning records and FloodRadar river-level monitoring data. Figures are observed gauge readings during the event period. This is a historical record, not a live warning — always check current flood warnings and gov.uk.