Surf forecastStatisticsHistorical report

Barrio seasonal overview

Best Surf Season (August - October)

The southwest monsoon hits its stride from August through October, delivering the most consistent offshore winds of the year at Barrio. With the wind blowing cleanly from the S to WSW quadrant, the northeast-facing beach is glassed off and groomed. Meanwhile, the North Pacific begins to stir, sending pulses of ENE to NE swell that rebuild from the summer lull. Average wave heights climb from 0.8m in August to 1.1m by October, and periods stretch into the 9–10s range — offering punchy, rippable walls. This is the window where clean conditions meet solid swell, making for the most consistent surf experience.

Fair Surf Season (May - July & November)

May through July sees the full force of the southwest monsoon, with offshore wind frequencies soaring from 34% to 51%. However, the swell energy is at its annual minimum — average heights hover around 0.7–0.8m with periods in the 8.5–9s zone, often producing small, groveling waves. When a tropical disturbance or strengthening trade wind fetch aligns, fun-sized surf appears, but it’s mostly a longboard or foamie affair. November flips the script: the northeast monsoon is just beginning, so wind quality drops to just 13% ideal, but the swell from the Pacific is building rapidly — average 1.3m and 9.9s with a lot of NE energy. Those rare days when the wind goes light or southwest can deliver firing, overhead barrels, but you have to pick your window carefully.

Low Surf Season (December - April)

From December through April, the northeast monsoon dominates the region. The wind blows relentlessly from the N through ENE quadrant — exactly the onshore direction for Barrio. Ideal wind percentages bottom out at 3–7%, meaning most days are choppy and blown out. Paradoxically, this is when the swell is biggest: December and January average 1.6–1.7m with periods of 9.5–10s, and the NE/ENE fetch is firing. But with the wind straight onshore, wave quality suffers drastically. Only a brief push of southerly winds or a late-season typhoon passage can salvage a session. For the patient surfer, the occasional clean, powerful day does occur, but consistency is low and frustration high.

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Conditions at Barrio in May

May: Summer Swell, Cleaner Skies

May sees a significant shift in the wind regime as the southwest monsoon establishes itself. Ideal offshore winds blow a solid 34% of the time, with the most frequent directions now coming from the SE, SSE, and S — all offshore for Barrio. The swell, however, has bottomed out: average height is just 0.8m with a period of 9.1s. While ENE still supplies the majority of the energy (67% of swell), the heights are largely in the 0.5–1m band. That means small, clean, and playful surf. Not the kind that gets your heart racing, but the kind that lets you work on turns and enjoy glassy mornings. The wind tends to be lighter in the early hours, so dawn patrol is your best bet to score smooth, waist‑high lines.

Average Spot conditions at Barrio in May

Swell history for May

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

Wind history for May

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

Swell quality

Analyze the groundswell consistency at Barrio during May. 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 Barrio for your next trip in May.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Barrio for May. 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 Barrio.

Swell with good wind

Swell with good wind by size