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Conditions at Cidreira in April
April: The Gateway Month
April is where Cidreira starts to wake up. The average swell height increases to 5.6ft (1.7m), the period stretches to 9.1s, and the wind is ideal 22% of the time. The swell direction table shows a healthy mix: ENE (15.8%), E (14.0%), ESE (13.4%), SE (13.5%), SSE (13.8%) and S (11.7%), meaning the wave energy is becoming more structured and less dependent on the summer-time ENE windswell. Winds still favor NE (23.8%) and ENE (13.7%), but W (6.6%), WSW (5.7%), SW (5.7%) and WNW (4.3%) are all more prominent. Air temps fall to 21.5°C, water temp to 22.4°C, and rain decreases to about 3.3mm/day. This is a month of transition: bigger and longer-period waves are arriving, and when the post-frontal west wind cleans them up, Cidreira can produce some proper head-high plus waves.
Average Spot conditions at Cidreira in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Cidreira 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 Cidreira for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cidreira 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 Cidreira.