Zipolite seasonal overview
Best Surf Season (April - September)
The heart of the south swell window pulses strongest during these months as the Southern Hemisphere kicks into high gear. Powerful long-period groundswells from the deep Pacific roar toward this south-facing beach, with average wave heights consistently holding between 1.5m and 1.7m and periods often exceeding 13 seconds. The dominant swell angles from SSW and S align perfectly with Zipolite’s exposure, producing clean, peeling lines. Offshore winds from the north and northwest prevail frequently, especially from June through September when ideal wind percentages climb above 60%. This is when the spot really comes alive—expect firing, rippable surf with plenty of punch.
Fair Surf Season (October & March)
These shoulder months offer a mix of quality and quantity. October still sees robust south swell energy with average heights around 1.5m and long periods, while March begins to ramp up from the winter lull with 1.4m averages and strong SSW pulses. Wind patterns are more transitional, with ideal offshore flow around 45-60% of the time, but when conditions line up, the waves can be just as good as the peak season. Ocasionally, lingering summer or winter patterns produce windows of glassy perfection.
Low Surf Season (November - February)
During these months, the south swell machine takes a breather, and average wave heights drop to 1.2-1.3m. While still surfable, the energy is less consistent and periods shorten slightly to 11-12 seconds. The good news: offshore winds from the north and northwest are very reliable, with ideal wind percentages ranging from 53% in February to 65% in November. This means smaller but clean waves, perfect for groveling or longboarding. It’s not pumping, but it’s far from flat—when the right swell fills in, those long lines still wrap nicely into the bay.
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Conditions at Zipolite in April
April: Peak Power Unfolds
April is a standout month, boasting an average swell height of 1.5m and an impressive 14.0s period. The swell is almost entirely from SSW (64.5%) and S (11.3%), with a significant portion in the 1.5-2.5m range (over 24% from SSW alone). This is prime Zipolite: long-period groundswell wrapping directly into the bay, producing powerful, walled-up waves. However, ideal wind drops to 41%, the lowest of the year, as onshore winds from the SW-WSW (26.4%) and W (14.6%) increase. The window for perfect conditions narrows to early mornings with light offshore flow from the north and northwest (N 4.8%, NW 8.4%, NNW 6.8%). If you’re willing to dawn patrol, you’ll be rewarded with epic, pumping surf.
Average Spot conditions at Zipolite in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Zipolite during April. 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 Zipolite for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Zipolite for April. 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 Zipolite.
