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Conditions at Praia da Cal in May
May: Peak Season Fireworks
May is where Praia da Cal starts to fire. Average surf reaches 5-6ft (1.5-1.8m), but the big story is the period - 9.8s is on the cusp of long-period groundswell, meaning the E (11.5%), ESE (13.7%), SE (13.4%), SSE (16.7%) and S (18.1%) swells arrive with serious push. This is the month when S/SSE directions take the lead, and the height table shows plenty of 5-8ft (1.5-2.5m) waves across those sectors, with even a few over 8ft (2.5m) readings sneaking in. The wind dial also aligns: 50% ideal, thanks to a much stronger offshore quadrant - W (4.1%), WNW (4.7%), NW (5.3%) and NNW (10.8%). Onshore SW/WSW winds are present, but the trade winds weaken. Water has dropped to 20.4°C, air to 16.6°C, and you'll need a spring suit. This is the start of the best window of the year.
Average Spot conditions at Praia da Cal in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Praia da Cal 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 Praia da Cal for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Praia da Cal 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 Praia da Cal.