High Water Mark (MHWS) for GB Coastline

Top level list
AberdeenshireAberdeen CityAbertawe - SwanseaAngusArgyll And Bute
BlackpoolBournemouth, Christchurch And PooleBro Morgannwg - The Vale Of GlamorganCaerdydd - CardiffCambridgeshire County
Casnewydd - NewportCastell-Nedd Port Talbot - Neath Port TalbotCheshire West And ChesterCity Of BristolCity Of Edinburgh
City Of Kingston Upon HullCity Of PeterboroughCity Of PlymouthCity Of PortsmouthCity Of Southampton
ClackmannanshireConwy - ConwyCornwallCounty DurhamCumbria County
Devon CountyDoncaster DistrictDorsetDumfries And GallowayDundee City
East LothianEast Riding Of YorkshireEast Sussex CountyEssex CountyFalkirk
FifeGateshead DistrictGlasgow CityGloucestershire CountyGreater London Authority
Gwynedd - GwyneddHaltonHampshire CountyHartlepoolHighland
InverclydeIsles Of ScillyIsle Of WightKent CountyLancashire County
Lincolnshire CountyLiverpool DistrictMedwayMiddlesbroughMoray
Na H-Eileanan An IarNewcastle Upon Tyne DistrictNorfolk CountyNorthumberlandNorth Ayrshire
North East LincolnshireNorth LincolnshireNorth SomersetNorth Tyneside DistrictNorth Yorkshire County
Nottinghamshire CountyOrkney IslandsPen-Y-Bont Ar Ogwr - BridgendPerth And KinrossPowys - Powys
Redcar And ClevelandRenfrewshireScottish BordersSefton DistrictShetland Islands
Sir Benfro - PembrokeshireSir Ceredigion - CeredigionSir Ddinbych - DenbighshireSir Fynwy - MonmouthshireSir Gaerfyrddin - Carmarthenshire
Sir Ynys Mon - Isle Of AngleseySir Y Fflint - FlintshireSomerset CountySouthend-On-SeaSouth Ayrshire
South GloucestershireSouth LanarkshireSouth Tyneside DistrictStirlingStockton-On-Tees
Suffolk CountySunderland DistrictThe City Of Brighton And HoveThurrockTorbay
WarringtonWest DunbartonshireWest LothianWest Sussex CountyWirral District
York