Verdicio seasonal overview
Best Surf Season (October - March)
Verdicio roars to life during the autumn and winter months as the North Atlantic shifts into high gear. From October through March, a climatological uptick in powerful extratropical cyclones sends consistent, long-period swell marching toward the Cantabrian coast. The average wave height sits between 1.3m and 1.7m, with periods regularly hitting the 11-13 second range – that's solid, powerful surf that wraps into the bay with authority. Offshore wind blows from the S/SW quadrant over 30% of the time, groomin’ the NW and NNW groundswell into clean, rippable walls. This is when Verdicio truly lives up to its reputation as a premier Spanish sandbar beach break.
Fair Surf Season (April & September)
April and September are transition months, straddling the line between winter’s energy and summer’s lull. In April, average swell drops to 1.3m with periods around 10.7s – still rideable, but the punch is a bit softer. Ideal wind ticks down to 24%, so you’ll need to pick your moments. September sees the ocean waking back up: 1.1m at 10.2s average, with ideal wind up to 28%. You’ll score fun, peelable waves, especially when a rogue northwesterly groundswell aligns with a southerly breeze. These months aren’t red-hot, but they offer some of the best solitude and combo swells of the year.
Low Surf Season (May - August)
Summer at Verdicio is a sleepy affair. From May through August, the Azores High dominates, squashing storm activity and reducing average swell heights to the 0.8m-1.0m range. Wave periods hover around 8.7-9.8 seconds – short-period, windswell-driven slop. The wind story doesn’t help either: ideal offshore days drop to just 21-23% of the time, with onshore northerly and northwesterly winds frequently ruining the shape. That said, early-morning glass-offs or rare southern wind events can still produce grovelable, fun-sized waves for those willing to work for it. But honestly, this is a great time to explore something else – or chase a summer south swell.
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Conditions at Verdicio in December
December: Winter’s Second Wind
December closes the year with some of the best swell of the season. Average height is 1.6m, period 12.4s – powerful, long-period energy. NW swell accounts for 39.2%, with WNW (17.6%) and NNW (18.1%) close behind. Ideal wind is 32%, mostly from the E (17.2%) and WSW (12.5%). The holiday season often brings a series of strong frontal systems, each generating a fresh pulse of swell. The wind is fickle, with more W and NW influence (10.9% and 3.4%) than October, but the clean windows are pure magic. December delivers that deep winter feel: big waves, cold air, and the occasional perfect session that reminds you why you surf.
Average Spot conditions at Verdicio in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Verdicio during December. 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 Verdicio for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Verdicio for December. 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 Verdicio.
