Storm Eunice: Flood warning for three Dorset harbours

Reports say that flooding is possible in Christchurch Harbour, Poole Harbour, and sections of the west Dorset coast – with residents urged to “be prepared” for large and powerful waves.

A report on Gov.uk says: “Storm Eunice is expected to bring gale force winds across Dorset from Friday into Saturday, coinciding with spring tides. A tidal surge will increase the water levels and overtopping of sea defences is possible.”

For Christchurch Harbour, the forecast high water is at 10.57 am on Saturday with a level of 1.40 MAOD (meters above ordnance datum). Flooding to roads and low-lying areas is possible and can be one or two hours either side of the high tide.

Highlighted area shows potential flooding in Christchurch. Picture: Gov.uk

Flooding is expected to affect Christchurch Harbour and the tidal stretches of the Lower Stour and Avon.

Meanwhile towards Poole Harbour, the forecast high water at Wareham is at 11.35am with a level of 1.21 MAOD. Flooding to roads is possible, however conditions may apply one to two hours either side of the high tide. Flooding is expected to affect Poole Harbour and the tidal stretches of rivers Frome and Piddle.

Along the west coast of Dorset, forecasters are expecting “very large and powerful waves” and urge residents to avoid all coastal locations between Lyme Regis and Chiswell.

Highlighted area shows potential flooding around west Dorset coast. Picture: Gov.uk

The forecast high water for West Bay was at 8.00 am on Friday with waves of 2.3 metres. The forecast high water for Chiswell was at 9.15pm with waves of 4.4 metres.

The report further stated: “Storm Eunice is forecast to produce a large offshore tidal surge which will increase water levels for one to two hours either side of high water. We are closing flood gates in the area.”