Surf forecastStatisticsHistorical report

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 September

September: Autumn Awakening

September is the turning point. Average swell rises to 1.1m with a period of 10.2s – back into fun-sized, rideable territory. NW remains king at 45.5%, with NNW (31.1%) and a growing WNW component (6.0%). Ideal wind jumps to 28%, with E (22.1%) and ENE (15.0%) still strong. The first real autumn lows start to form, generating groundswell that reaches the coast with good period. You’ll see more days with overhead sets and offshore winds. The water is still warm, the crowds start thinning, and the quality improves daily. September is a gem – not quite prime time, but often offering the best combo of size, wind, and comfort.

Average Spot conditions at Verdicio in September

Swell history for September

0 - 0.5
0.5 - 1
1 - 1.5
1.5 - 2.0
2.0 - 2.5
> 2.5 m

Wind history for September

0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
> 50 km/h

Swell quality

Analyze the groundswell consistency at Verdicio during September. 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 September.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Verdicio for September. 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.

Swell with good wind

Swell with good wind by size