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Penarronda - surf spot statistics
Penarronda seasonal overview
Best Surf Season (October - March)
The North Atlantic delivers its full fury during these months, with average swell heights ranging from 1.3m to 1.7m and periods consistently above 11 seconds. The combination of powerful NW and NNW swell trains and a high frequency of offshore winds from the S-SSW quadrant creates peak conditions at Penarronda. January, February, November, and December boast ideal wind percentages around 47%, while October and March are not far behind. Expect clean, long-period groundswells that wrap perfectly into the north-facing beach, offering fun, solid waves in the 1-2.5m range. This is prime time for quality surf.
Fair Surf Season (April & September)
These transitional months see the jet stream shifting, bringing a mix of fading winter energy and budding summer patterns. Average swell heights drop to 1.3m (April) and 1.1m (September), with periods around 10-10.5s. While still rideable, the consistency is lower. Ideal wind conditions occur about 31% of the time, often from the south, but northerly onshores can ruin the fun. When a late-season storm or early autumn low lines up, you can score pumping waves in the 1.5-2m range with decent period. Worth keeping an eye on the charts.
Low Surf Season (May - August)
Summer settles in, and the surf goes into hibernation. Average swell heights hover between 0.8m and 1.0m, with periods dipping below 9 seconds – often choppy and messy. The prevailing wind regime shifts to onshore northeasterlies, making ideal offshore conditions (south winds) scarce at only 18-27%. Swell is predominantly short-period windswell from the NW-NNW, but the accompanying wind is often from the wrong direction. Expect small, groveling conditions at best. It's a great time for a longboard or a flat spell.
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Conditions at Penarronda in July
July: Flatest of the Year
July is the nadir of surf at Penarronda. Average swell height bottoms out at 0.8m with a period of 8.5s. Swell directions are still NW (33.9%) and NNW (37.5%), but waves are tiny – over 88% of the swell is under 1m. Winds are dominated by NE (22.6%) and ENE (19.3%), both strongly onshore, yielding only 18% ideal wind conditions. The beach is often glassy only in the early mornings before the seabreeze kicks in, but swell is minimal. A true flat spell; time to work on your tan or explore other activities.
Average Spot conditions at Penarronda in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Penarronda during July. 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 Penarronda for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Penarronda for July. 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 Penarronda.