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Conditions at Cidreira in March
March: Autumn's First Subtle Shift
March brings the first hints of autumn to Cidreira. The average period rises to 8.7s, the ideal wind percentage bumps to 18%, and the swell spectrum begins to spread out: E (19.6%), ESE (18.3%), ENE (15.9%), SE (14.9%), SSE (12.8%) and S (8.5%). Average size stays at a healthy 5.2ft (1.6m). This is still largely a mid-period, trade-wind swell regime, with NE (22.5%) and ENE (19.0%) winds prevailing, but the offshore wind window (WSW/W/WNW/NW) is slightly larger than in January or February. Air temps drop a little to 23.6°C and water temp remains at 23.9°C, with modest rainfall near 3.7mm/day. Surf quality is inconsistent: the E/ESE swell is constant, but clean conditions depend on a passing front or a dawn/evening offshore flow before the NE sea breeze builds.
Average Spot conditions at Cidreira in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Cidreira during March. 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 March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cidreira for March. 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.