Dị na Severn Estuary, Wales, Porthcawl-Coney Beach bụ ezumike abụọ: obere mmiri aka ekpe dị mkpụmkpụ, yana ihe ọchị, ezumike osimiri nwere enyi. Ebili mmiri ebe a dị mfe ịfụgharị ma gbajie ihe ruru mita 50 n'elu nkume na ala ájá n'otu n'otu.
Kedu ọnọdụ sọfụ kacha mma maka Porthcrawl/Coney Beach?
Na-adị mma n'etiti elu ukwu na okpukpu abụọ. Anyị na-akwado ịnya ogologo bọọdụ ebe a mgbe ọ dị obere yana obere bọọdụ ka nha na-ebuli elu. Nkwụsịtụ ndị a dabara adaba maka ọkwa niile nke surfers, mana ndị mbido kwesịrị ịrapara na ezumike osimiri. Igwe sọfụ ebe a abụghị nke kachasị agbanwe agbanwe (4/10) yana ndị ọrụ ụgbọ mmiri ga-enwekarị ya (6/10). Ifufe kacha mma sitere na Northeast. Ọzịza kacha mma sitere na Southwest na West. Osimiri ahụ chọrọ oke mmiri dị elu, ezumike osimiri na-arụ ọrụ niile.
Anyị na-akwado iyi akwa 3/2 n'oge okpomọkụ mgbe mmiri na-ebili ruo ogo 17. N'oge oyi, 5/4 kacha mma mgbe mmiri na-adaba na 8 degrees. Lee eserese okpomọkụ dị n'okpuru maka data ndị ọzọ na nke a.