El Barco seasonal overview
Best Surf Season (September - November)
The North Atlantic begins to shift gears as summer fades, and for El Barco, the window from September through November delivers the most consistent blend of quality swell and favorable winds. During these months, the trade wind belt relaxes enough to allow more frequent passages of cold fronts and low-pressure systems, which send pulses of NNE and NE swell toward the island. At the same time, the percentage of offshore wind (from the S, SSW, and SW quadrants) peaks—particularly in September and October—creating clean, glassy conditions when the swell lines up. Wave heights average 1.3-1.6m with periods climbing to 8.8-9.3s, meaning fun, rippable surf with the occasional pumping set. This is when the stars align for El Barco’s best waves.
Fair Surf Season (December - May)
From December through May, the North Atlantic roars to life with powerful extratropical storms generating larger, longer-period swell. Wave heights average 1.4-1.7m and periods often reach 9.4s, bringing solid, punchy waves. However, the dominant wind pattern shifts to strong easterly trades (E, ESE, SE), which blow directly onshore for this NNW-facing beach. This creates choppy, bumpy conditions unless you catch a rare window of lighter winds or a southerly breeze. While the swell is definitely there, the quality is often compromised by the onshore flow. The spring months (April-May) see a slight uptick in ideal wind percentages (up to 52% in May), but the swell also backs off in size and period. Still, for the patient surfer, there are decent waves to be had—just be ready to battle the wind.
Low Surf Season (June - August)
Summer in the Caribbean is dominated by the Azores High and the relentless easterly trade winds. For El Barco, this means small, weak, and predominately east-swell (E and ENE) that rarely breaks with any power on this north-facing stretch. Average wave heights drop to 1.2-1.3m and periods fall to 7.3-7.5s, resulting in choppy, groveling conditions at best. The wind is almost constantly from the E, ESE, or SE, keeping the surface messy and bumpy. While the percentage of ideal wind reaches a respectable 46-57% (thanks to occasional light and variable mornings), the lack of consistent, quality swell makes this the low season for surfing. Unless a passing tropical system throws some long-period energy into the mix, it's best to take a summer vacation from the lineup.
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Conditions at El Barco in December
December: Winter is Here—Big Swell, Onshore Wind Challenge
December closes the year with classic winter conditions. Average swell height peaks at 1.7m and period at 9.4s, delivering consistent, powerful waves. The swell direction is dominated by ENE (42.7%), NE (26.9%), and NNE (11.0%), with a touch of N (2.1%). This brings a decent north component, but the wind is the main obstacle. Ideal wind percentage drops to 46%, as the easterly trades (E 30.2%, ESE 25.0%) rage with greater intensity. Onshore surface conditions are the norm, making the waves choppy and difficult to surf. Still, the swell is there, and on those rare days when a high-pressure system sits west of the island and draws in southerly winds (S 1.3%, SSW 0.5%), El Barco can fire. December requires a strategic approach—monitor the wind forecast closely and be ready to act when the stars align.
Average Spot conditions at El Barco in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at El Barco 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 El Barco for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at El Barco 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 El Barco.
