Morro dos Conventos - surf spot statistics

Morro dos Conventos in Brazil is a spot predominantly influenced by wind swells, with ground swells playing a secondary role. The best months for surfing here are typically from May to September, when ground swell contribution increases, averaging around 30-40%. During this period, mean swell size peaks at 1.5-1.8 meters, with September offering the largest waves (1.8m). However, wind conditions remain challenging year-round, with good wind days being relatively rare (14-28% probability). The worst wind conditions occur from September to December, when bad wind days exceed 80%. From January to April, swell size is consistent (1.4-1.5m), but wind swells dominate (67-85%), making conditions less ideal for advanced surfers. August and September provide bigger swells but suffer from poor wind alignment, while May and June offer a slightly better balance between swell size and wind conditions (28% good wind days). Overall, intermediate surfers may find manageable waves throughout the year, but the most consistent and powerful conditions occur mid-year despite the frequent onshore winds. For optimal sessions, target May-June when ground swells are stronger and wind odds are marginally better.

In December, Morro dos Conventos typically offers surfable conditions with an average swell height of 1.4m and a decent period of 8.5s, contributing to well-formed waves. The swell direction is predominantly from the east to southeast, with the majority of waves (over 60%) falling in the 1-2.5m range—ideal for intermediate to advanced surfers. ENE, E, and ESE swells provide the most consistent energy, while larger sets (2m+) are less frequent but present. Wind conditions are mixed, with only 18% of the time being ideal (typically light offshore or cross-offshore winds from the northwest quadrant). However, the dominant NNE to ENE winds can create choppy or onshore conditions, especially at higher speeds (20-40kph). For the best sessions, watch for days when swell energy aligns with lighter winds from the W/NW. Overall, December delivers rideable waves, but wind quality is the limiting factor—patience pays off when the rare clean conditions coincide with solid swell.