Storm Event

Breach in Portland Sea Defences

Severity ? 2


No known sources of information.


“Thousands” of tons of water percolated through the barrier and inundated Victoria Square (The Times, 1930).

Receptor and Consequence

This event was associated with coastal flooding in Portland and Chesil Beach according to Zong and Tooley (2003).

Summary table:

Loss of life *
Residential property *
Evacuation & Rescue *
Cost *
Ports *
Transport *
Energy *
Public services *
Water & wastewater *
Livestock *
Agricultural land *
Coastal erosion *
Natural environment *
Cultural heritage *
Coastal defences Many tons of water breached the sea defences in Portland

*No known sources of information available


  1. The Times, 1930. Breach In Portland Sea Defences. Times Newspapers Limited, [London, England]. The Times Digital Archive.
  2. Zong, Y. & Tooley, M.J., 2003. A Historical Record of Coastal Floods in Britain: Frequencies and Associated Storm Tracks. Natural Hazards, 29(1), pp.13–36. Available at: [Accessed March 5, 2015]