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Conditions at Lobitos in May
May: Winter Swell Bulks Up, Wind Gets Stronger
May marks the transition to the southern winter. Average swell reaches 1.8m (6ft) and period peaks at 14.1s. The swell window narrows even further toward the SSW, with 88.6% of all energy coming from that direction. Size distribution shifts noticeably: 52.5% of SSW swell is in the 1.5-2m class and 16.5% is 2-2.5m, with a small fraction sneaking over 2.5m. This is powerful, long-period swell, but its strongly southern direction is a poor match for Lobitos' north-facing orientation.
Wind quality drops to 63% ideal because the trades strengthen. SSE (33.3%), S (34.5%) and SSW (22.9%) still blow offshore, but many observations are in the 20-30kph range, so it can get lumpy and challenging. Precipitation drops to 0.15mm/day and the water temp cools to 21.4°C. May is a month of raw, powerful waves rather than clean, user-friendly surf.
Average Spot conditions at Lobitos in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Lobitos 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 Lobitos for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Lobitos 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 Lobitos.