Surf forecastStatisticsHistorical report

Coco Pipe seasonal overview

Best Surf Season (September - November)

As the North Atlantic hurricane season peaks and early winter storms begin to organize, Coco Pipe enters its prime window. September and October bring the highest probability of offshore winds from the S-SW quadrant—often triggered by passing cold fronts or low-pressure troughs—while trade wind-driven swell from the ENE remains consistent. The average wave height hovers around 1.2-1.5m with period lengthening to 8-9s, delivering punchy, rippable waves that peel cleanly along the reef. November sees a jump in average size to 1.5m and period to 9.3s, though ideal wind percentages dip slightly. Still, this is the time when the right synoptic setup—a strong high pressure to the north and a surface trough to the south—can align to produce glass-like conditions with long-period swell from the NNE or NE. For surfers willing to read the charts, these months offer the best balance of power and finesse.

Fair Surf Season (December - March)

Winter fully sets in and the North Atlantic pumps out consistent swell every 3-5 days. Average heights reach 1.5-1.6m with periods of 9.4s, meaning solid, powerful waves from the NNE through ENE are the norm. However, the trade wind machine is also in full effect: easterly winds (E, ESE, SE) dominate over 70% of the time, putting the spot in cross-onshore or onshore flow from the NE quadrant. Ideal offshore wind from the south only occurs about 16-18% of the time, usually in the wake of cold fronts that sweep across the Caribbean. When those windows open—often for a day or two after a front clears—Coco Pipe can fire with clean, hollow walls. This is the season of feast or famine: big swell is guaranteed, but quality surf is a waiting game.

Low Surf Season (April - August)

As the Atlantic storm track retreats northward, swell production drops off markedly. Average wave height falls to 1.1-1.3m and period shortens to 7-8s, resulting in smaller, weaker surf that rarely exceeds chest-high. The dominant swell direction shifts almost exclusively to ENE and E, which refracts into the beach but lacks the power to really stand up. Wind conditions improve during these months—especially May through August, when the trade winds slacken and lighter breezes from the SE and S become more common, raising ideal offshore wind percentages to 22-28%. However, even with clean wind, the lack of swell energy means mostly small, mushy waves suited for longboards or beginner sessions. June offers the lowest average period at 7.2s, with 70% of waves coming from due east at 1-1.5m—typically soft and sectiony. For intermediate to advanced surfers, this is a time to seek out micro-swell windows or explore other breaks.

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Conditions at Coco Pipe in September

September: The Window Opens

September marks a turning point as average swell height nudges up to 1.2m and period leaps to 8.8s—a clear sign that the Atlantic storm track is waking up. Swell directions begin to diversify: ENE still leads at 49%, but NE jumps to 20% and NNE to 7%, adding more north component. This shift brings stronger, more organized groundswell capable of producing clean, hollow waves. Critically, September offers the year's highest percentage of ideal offshore wind at 34%! Light winds from the S, SW, and even WSW become more common as tropical moisture and passing fronts create variable wind regimes. This is the month when Coco Pipe can fire with clean, long-period surf in the 1-2m range. Keep a close watch on tropical storms—they can deliver epic, XL swells with perfect wind.

Average Spot conditions at Coco Pipe in September

Swell history for September

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

Wind history for September

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

Swell quality

Analyze the groundswell consistency at Coco Pipe 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 Coco Pipe for your next trip in September.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Coco Pipe 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 Coco Pipe.

Swell with good wind

Swell with good wind by size