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 light trade winds blow from the south-east. Even during the off season when the trade winds switch to west and north-west there are still classic waves to be had and the swells are still regular. Sea temperatures remain steady at around 28°C or 82°F. Nias was the first wave to be discovered in 1975 by Australian surfers and undoubtedly remains the most famous.
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Nias
