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Conditions at Cabo Blanco in March
March: Late Summer Power and Broader Swell Angles
March marks the beginning of the transition toward the powerful winter swell season. Average swell height climbs slightly to 5.2ft (1.6m) and the period remains a solid 14.0s. Directionally, the spectrum broadens: SW delivers 53%, SSW 33%, WSW 11%, and W 3%. The increase in SSW energy means more raw, long-period lines, but also more dependence on bathymetric refraction. Ideal wind is still a solid 49%. The wind pattern stays in the offshore-friendly S/SSW/SW quadrant, with most speeds at 10-20kph and secondary 20-30kph readings. Daily precipitation is slightly higher at 1.72 mm/day, but this rarely affects surf. Water is 24.2°C, air 25.8°C, and the late-summer sun keeps the vibe mellow while the ocean slowly begins to wake up.
Average Spot conditions at Cabo Blanco in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Cabo Blanco 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 Cabo Blanco for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cabo Blanco 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 Cabo Blanco.