Surf forecastStatisticsHistorical report

Praia Azul seasonal overview

Best Surf Season (October - March)

The North Atlantic roars to life during these months, with average swell heights consistently above 2.4m and periods averaging 11-12.6s. Powerful extratropical cyclones track across the North Atlantic, feeding long-period swell from the W to NW quadrants. Ideal wind percentages hover around 40-48%, with frequent spells of light offshore flow from the W-WSW sector. This is the prime window for world-class waves at Praia Azul, when a combination of solid swell and clean sideshore or slightly offshore winds produces firing conditions.

Fair Surf Season (April & September)

April and September represent the transitional shoulders. April still sees a healthy average height of 2.1m and a respectable 10.9s period, but ideal wind drops to 30%. The swell mix shifts slightly – more NW and NNW energy while the wind regime becomes more variable. September offers a bounce-back from summer doldrums, with average height climbing to 1.6m, period to 10.4s, and ideal wind up to 29%. Early-season storms begin to organize, delivering punchy, rippable waves with occasional longer-period groundswell.

Low Surf Season (May - August)

Summer relaxation sets in from May through August. Average heights drop to 1.4-1.7m, periods shorten to 8.6-9.8s, and ideal wind plummets to 13-23%. The dominant swell directions are NW and NNW, often associated with a persistent thermal low and strong north winds – both onshore and choppy. Waves remain small to fun-sized, with occasional pulse from distant storm tracks. This is a groveling period for high-performance surfing; expect smaller counts and a need for top-tier equipment choices.

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Conditions at Praia Azul in August

August: Slightly Better But Still Small

August shows a marginal uptick compared to July: average height 1.4m, period 9.0s. Swell remains NW (39.6%) and NNW (32.4%) dominant. Ideal wind improves slightly to 15% as the wind rose shows a tiny increase in SW and SSW components. The wave period stays in the average range, so any pulse will be punchy but short-lived. The persistent NNW wind (32.3%) still ruins many sessions, but the occasional morning offshore from the east quadrant can yield a few clean, rippable waves before the sea breeze kicks in.

Average Spot conditions at Praia Azul in August

Swell history for August

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

Wind history for August

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

Swell quality

Analyze the groundswell consistency at Praia Azul during August. 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 Azul for your next trip in August.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Praia Azul for August. 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 Azul.

Swell with good wind

Swell with good wind by size