Surf forecastSpot statisticsHistorical report

Petacalco seasonal overview

Petacalco, Mexico, offers consistent surf conditions year-round with a strong dominance of ground swell, making it a reliable destination for surfers. The best months for surfing here are typically from March to May and November to December, when swell consistency, size, and favorable winds align. March, April, and November stand out with 100% ground swell presence, mean swell sizes ranging from 1.2m to 1.3m, and good wind conditions over 55% of the time. These months provide clean, well-sized waves with minimal wind interference. May also offers solid swell (1.5m) though wind conditions are slightly less favorable. The winter months (December-February) have smaller but still consistent waves (1.0m-1.1m) with decent wind conditions around 50%. The summer months (June-September) see larger swells (1.6m-1.7m) but suffer from more frequent onshore winds, reducing rideable days. October marks a transitional period with improving winds and decent swell (1.5m). Overall, Petacalco is a year-round surf spot, with peak conditions in spring (March-May) and late autumn (November-December) when swell quality, size, and wind conditions combine optimally. Advanced surfers may still find good sessions in summer, especially early mornings before winds pick up.

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Conditions at Petacalco in December

December at Petacalco offers generally favorable surf conditions, characterized by a consistent swell with an average height of 1.0m and a strong 14.3s period, indicating powerful, well-spaced waves. The dominant swell direction is from the SSW and SW, with the majority of waves falling in the 0.5-1.5m range—ideal for intermediate to advanced surfers. About 56% of the time, winds are favorable for surfing, primarily light to moderate (10-20kph) from the NNE and NE, though occasional stronger gusts can occur. Wind directions from the NNE to ENE are most common, which, depending on the spot’s orientation, may offer clean or slightly textured conditions. Larger sets (1.5-2m) appear occasionally but are less frequent, making it a reliable spot for consistent, manageable waves rather than massive surf. Offshore winds are present enough to keep conditions clean, but surfers should monitor wind shifts for optimal sessions. Overall, December delivers solid, rideable waves with good energy, especially for those comfortable in mid-sized surf.

Average Spot conditions at Petacalco in December

Swell history for December

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

Wind history for December

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

Swell quality

Analyze the groundswell consistency at Petacalco during December. 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 Petacalco for your next trip in December.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Petacalco for December. 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 Petacalco.

Swell with good wind

Swell with good wind by size