Cidreira - surf spot statistics

Cidreira, Brazil, offers consistent surf year-round, but the best conditions typically occur between May and July. During these months, the swell composition shifts toward a higher percentage of ground swell (36% in May and June, 27% in July), which tends to produce cleaner, more organized waves compared to the dominant wind swells seen in other months. The mean swell size also holds steady at around 1.6–1.7m, providing solid surf without being overly heavy. Wind conditions are relatively better in these months, with good wind days peaking at 20–21% (May–June), though onshore and cross-shore winds still dominate. Outside this window, wind conditions worsen, particularly from September to December, when bad winds reach up to 90%. Swell size peaks in September (1.9m), but poor wind reliability makes it less ideal. Early season (January–April) sees smaller swells (1.5–1.6m) and higher wind swell influence, reducing wave quality. For surfers prioritizing consistency, May to July is the prime window, offering a balance of swell energy and slightly more favorable winds, though offshore days remain scarce.

October in Cidreira offers decent surf conditions with an average swell height of 1.8m and a solid period of 8.6s, indicating consistent and well-formed waves. The dominant swell directions are ENE, E, and S, with ENE swells contributing the most to rideable waves (1.5–2.5m range). These swells are powerful enough for good surfing, though occasional larger sets over 2.5m can provide more challenging sections. Wind conditions are less ideal, with only 11% of days offering favorable offshore or light cross-shore winds (mostly from the W or NW). The majority of winds come from the NE and E sectors, often in the 10–30kph range, which can create choppy or onshore conditions. Surfers should target early mornings when winds are lighter or wait for periods with W/NW flow for cleaner faces. Overall, October delivers surfable waves, but wind quality is the main limiting factor—patience and timing are key.