Bali, Lombok, and Rote Island:
April to November: the most clean, consistent and powerful surf; best season for intermediates and advanced surfers.
November to March: smaller waves, lighter winds, and fewer crowds; some breaks remain excellent and conditions are more approachable for beginners, intermediates and longboarders.
Mentawais:
March to October: the main season, with powerful, consistent swell and pristine conditions; for intermediate to advanced surfers.
November to February: lighter, more forgiving conditions with fewer people in the water; great for intermediates.
