Pacific coast
April to October: the main season across much of Peru, Chile, and Ecuador, with more consistent and powerful swell.
November to March: smaller, cleaner waves and warmer water, particularly across northern Peru; a more accessible season for beginners and longboarders.
Atlantic coast
November to March: great for northern Brazil, with warm water and more reliable swell.
April to October: most reliable along Brazil's southern coast, with consistent swells and busy lineups.