Luqhakamshelana kulwandle iAtlantic ngolwandle imediternean, ulwandle iAegean, nakwimizila yamanzi emininzi. I90% yonke yolwandle ayinaOksijin. Amanzi ngaman'anetyuwa kodwa ubutyuwa bawo bunganeno kunobo bolwandle. Kwiminyaka yokuphungulwa kobushushu emhlabeni -ice age, ulwandle olumnyama lwalusisidibi samanzi ahlaziyekileyo.