Praia da Macumba seasonal overview
Best Surf Season (May - August)
The South Atlantic winter unleashes its fury during these months, and Praia da Macumba stands tall to receive the onslaught. Average swell heights climb to a consistent 1.2-1.3m with periods stretching into the 10.8-11.1s range - that's punchy, long-period groundswell from the S, SSE and SSW quadrants. The percentage of offshore wind (N, NNE, NW, NNW) peaks at 51-57%, meaning cleaner, more groomed faces more often. This is when the combination of solid swell and favorable wind aligns to produce the best waves of the year.
Fair Surf Season (March - April & September - October)
Shoulder months bring a mixed bag. In March and April, the average swell height is around 1.0-1.2m and periods are still strong (10.4-10.6s), but offshore wind drops to 45-46%. September and October see swell heights remain decent (1.1-1.3m) but ideal wind falls to just 37-41% as the trade winds strengthen and blow more from the ENE-E, creating cross-to-onshore conditions. You'll still find fun, rippable waves, but you'll have to work harder to pick the right wind window.
Low Surf Season (November - February)
Summer in the southern hemisphere brings a lull in South Atlantic storm activity. Average swell heights hover around 0.9-1.0m with periods of 9.6-9.9s - mostly small, groveling waves from the SE and SSE. Offshore wind frequencies are moderate (37-51%) but the lack of size and power means the surf is often marginal. While occasional pulses of longer-period swell can ride through, expect mostly whitewash and weak conditions during these months.
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Conditions at Praia da Macumba in September
September: Spring Volatility
September brings a change in the atmosphere. Average swell height is still a robust 1.3m, but the period shortens to 10.5s, indicating a mix of groundswell and windswell. S (29.3%) and SSE (26.5%) are the main swell directions, with a sizable SE component (19.5%) - the swell window widens but so does the wind. Offshore wind drops to 41% as the trade winds strengthen: ENE (14.3%) and E (13.8%) become the dominant wind directions, creating cross-shore to onshore conditions. You'll need to hunt for windows of N or NW wind, but when those align with a S swell, the waves can be powerful and long again.
Average Spot conditions at Praia da Macumba in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Praia da Macumba 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 Praia da Macumba for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Praia da Macumba 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 Praia da Macumba.
