Conditions at Quepos in May
May: Southern Hemi Pulses Power Up
The Southern Hemisphere winter storm track activates in May, bringing the average swell height up to 1.3m (4.3ft) and the period to 14.1s - the longest of the year tied with April. The swell direction is dominated by SSW (88.7%) and SW (11.1%), with over 17% of waves in the 1.5-2m (5-6.5ft) category and some 2-2.5m (6.5-8ft) energy beginning to appear. This is serious, powerful surf for Quepos.
The wind, however, starts to favor the onshore flow as the ITCZ pushes north. Ideal conditions drop to 25%, and rain increases dramatically to 7.83mm/day. SW and SSW winds blow 25% of the time, often in the afternoon, so planning around the early morning offshore window is essential. Water temperature remains a warm 29.3°C.
Average Spot conditions at Quepos in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Quepos 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 Quepos for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Quepos 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 Quepos.