Bali and Lomboks's fabled reefs and booming beach breaks are in season between April and October when swell swinging up from the Roaring 40s and Howling 50s march south-west across the Indian Ocean and the trade winds blow from the south-east. Even during the off season when the trade winds switch to west there are still classic waves to be had. Sea and air temperatures remain steady at around 28°C or 82°F. Pioneered in 1936, by Bob Koke, a Californian from Hawaii and later by the likes of Jerry Lopez. Perfection like this has a price, paid in the form of crowding, excess development coupled with littered and polluted beaches around the main centres such as Kuta. Famous breaks like Uluwatu always have a crowd but for the surfer prepared to travel adventure and uncrowded waves await.