Sydney Whale Watching has added beauty due to the scenic value of the gorgeous Sydney Harbour and its surrounds. During the season from Mid-May to Mid-November, the humpback whales' Northern and Southern migrations occur, allowing ample opportunity to to take a Sydney whale watching cruise departing directly Circular Quay. With a 100% guarantee to see whales on all of the morning and afternoon cruises from June 1 to July 31 or receive a 50% refund OR a free return trip if no whales are sighted, this guarantee gives you an assurance that you will experience these magnificent giants of the deep.