Surf forecastStatisticsHistorical report

Ponta Preta seasonal overview

Best Surf Season (October - March)

The heart of the North Atlantic winter delivers consistent, powerful groundswells to Ponta Preta. Average wave heights hover around 1.9–2.0 m with periods often reaching 10–11 seconds, thanks to a steady stream of extratropical lows tracking across the Atlantic. The dominant NNE-to-NE trade winds blow cleanly offshore, grooming the waves into punchy, organized lines. This is prime time for the famous right-hander to fire, with plenty of head-high to overhead sets. While the percentage of 'ideal wind' is moderate (10–25%), the sheer consistency of swell makes these months the go-to window for quality sessions.

Fair Surf Season (April - May & September)

As the winter storm track weakens, swell sizes dip slightly to around 1.6–1.7 m and periods shorten to 8–10 seconds. The trade winds remain favourable (mostly offshore from NE) but are occasionally lighter or more variable. April still sees decent swell from NNE, while September benefits from a resurgence of longer-period energy as early autumn lows begin to form. Surf is generally fun-sized, with plenty of rideable waves, but the truly pumping days become less frequent. Expect smaller, grovel-worthy waves on the quieter days.

Low Surf Season (June - August)

Summer brings the smallest and weakest surf of the year. Average swell heights drop to 1.3–1.4 m with periods averaging around 8 seconds or less—typically windswell or weak groundswell from the NNE. The trade winds are still present and actually blow offshore most of the time (ideal wind percentages peak near 47% in August), but the lack of significant swell energy limits the wave quality. On the rare occasion a south-westerly pulse or longer-period remnant arrives, conditions can be fun, but most days are reserved for longboarders, beginners, or complete flatness. This is the low season for serious surfing.

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Conditions at Ponta Preta in September

September: Autumn Stirrings

September shows the first signs of autumn with average swell height rising slightly to 1.4 m and period to 9.0 s. Swell direction is still primarily NNE (54.8%), but contributions from NE (17.2%) and N (12.1%) increase. Wave heights shift more into the 1.5–2.0 m range (17.1% from NNE), indicating a return of moderate groundswell. Winds remain favourable: NE (32.2%), NNE (31.8%), and N (9.2%), with ideal wind at 37%. This month offers a nice blend of cleaner conditions and gradually improving swell size. Look for longer-period swells toward the end of the month as storms start forming in the North Atlantic.

Average Spot conditions at Ponta Preta 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 Ponta Preta 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 Ponta Preta for your next trip in September.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Ponta Preta 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 Ponta Preta.

Swell with good wind

Swell with good wind by size