ukcp18-sea-level-rise-storm-surge-factsheet-november-2025.pdf
will increase due to the rise in mean sea level. However, our best estimate suggests no additional change due to the atmospheric contribution to extreme sea level. RCP2.6 RCP4.5 RCP8.5 5 th 95 th 5 th 95 th 5 th 95 th London 0.29 0.70 0.37 0.83 0.53 1.15 Cardiff 0.27 0.69 0.35 0.81 0.51 1.13 Edinburgh 0.08