Video of Whalewatching False Bay, Cape Town. South Africa has become known for its' great whale watching over the years, mostly due to the warm and nutrient rich waters along the South African coastline. The whales that visit our shores like to feed and give birth to their young whilst migrating. Whale watching is seasonal and whales start arriving in Cape Town as early as the end of May, until the end of November. The peak months are September and October.