Conditions at Cova do Vapor in April
April: Shoulder Season Smoothness
April marks the transition to spring, and the surf becomes less consistent but still fun. Average swell height drops to 1.5m (5ft) and period backs down to 11.1s, which remains rideable, punchy, and occasionally powerful. The wave rose is still dominated by WNW (36.7%) and NW (30.9%), but the W sector (14.3%) is at its best share of the year, and WSW adds 4.3%. That means Cova do Vapor gets a better ratio of direct, spot-on swell than in any summer month. Ideal wind percentages drop to 35% as the thermal wind regime starts to strengthen, but NNW is still frequent at 30.7%, and a morning offshore is common before the sea breeze kicks. With air temps around 15.1°C, water at 15.7°C, and manageable precipitation, the dawn patrol windows can produce clean, rippable beachbreak waves.
Average Spot conditions at Cova do Vapor in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Cova do Vapor during April. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Cova do Vapor for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cova do Vapor for April. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Cova do Vapor.