Between Strandfontein and Melkbos on the outer fringes of Cape Town, lies the West Coast. Apart from the rocky Strandfontein-to-Doornbaai coast, and contorted Cape Columbine in the south, it is marked by long sandy beaches interrupted by shrub-covered headlands fringed with rocks. The big headlands block the dominant southwest swells, and smaller surf breaks on their northern sides. Strong southeast trade winds in summer keep the upwelled water a frigid 10 to 15 C.