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Conditions at Boca Barranca in May
May: Southern-Hemisphere Swell? Not Quite
May brings the rainy season and a swell signature dominated by the SSW (71.3%) and S (17.9%) directions. The average height is just 0.3m (1ft), and the average period is a long 14.5s, but there is far too little height for that period to create any power. Favourable W/WNW/NW/WSW sectors are a negligible 0.3%. A tiny 0.5-1m response from the SSW (0.7%) is the closest thing to a pulse, but it barely registers.
Winds become more favorable in the sense of offshore direction: SE (7.7%), ESE (5.6%), E (4.2%), and ENE (4.6%) combine to 22.1%, while the bad onshore westerly quadrant totals 7.4%. Still, ideal wind is only 1% of the time, because the swell is too small to make it matter. With 5.40 mm/day of rain, 27.8°C air, and 29.7°C water, you're playing the intermittent tropical showers game for knee-high, drift-prone waves.
Average Spot conditions at Boca Barranca in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Boca Barranca during May. 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 Boca Barranca for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Boca Barranca for May. 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 Boca Barranca.