Surf forecastStatisticsHistorical report

Crash Boat seasonal overview

Best Surf Season (December - March)

The North Atlantic winter pattern drives the most consistent swell energy toward Puerto Rico, and Crash Boat sees its highest average wave heights (1.5–1.6m) and longest periods (9.8–10s) during these months. However, the dominant swell direction is from the NE to ENE quadrant — almost directly opposite the beach's WSW exposure. This means the vast majority of waves are not well-aligned, resulting in short-period, often messy windswell that struggles to wrap in with any quality. The trade winds blow offshore from the E-ENE over 40% of the time, providing clean faces, but the wave shape remains poor due to the misaligned swell. The rare intrusion of a more westerly component can produce a decent day, but statistically those are very slim. Think of it as a lot of energy with little reward.

Fair Surf Season (April, October, November)

As the seasons transition, average swell heights drop to between 1.1 and 1.5m, and periods hover around 9–10s. The NE-ENE swell direction still dominates, but there's a slight uptick in variability, with occasional pulses from the N and NNE that can wrap into the cove. Wind conditions remain favourable, with offshore winds from the ENE-E quadrant occurring 53–66% of the time. April and October in particular see ideal wind percentages, but the waves still lack the size and alignment for truly great surf. It's a shoulder season where you can find clean, rideable waves if you're patient, but don't expect power.

Low Surf Season (May - September)

Summer brings a dramatic drop in swell energy. Average wave heights fall to 1.0–1.1m, and periods shorten to a dismal 6.7–8.7s, indicative of purely local windswell. The swell direction remains locked in from the ENE and E, producing weak, short-period waves that barely break with any form. While the trade winds still blow offshore 51–67% of the time, the lack of consistent swell makes for mostly groveling conditions. Occasional afternoon sea breezes from the SW can further degrade quality. This is the true low season for surf at Crash Boat, best reserved for longboard or SUP sessions when the ocean is otherwise flat.

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Conditions at Crash Boat in March

March: Lingering Winter Swell, Improving Wind

March holds onto solid winter swell with a 1.5m average height and 10.0s period. The NE quadrant still dominates (32.5%), followed by NNE (24.3%) and ENE (22.7%). Wind conditions improve slightly: ideal wind percentage rises to 46%, with ENE winds (30.8%) and E winds (22.0%) continuing to provide offshore flow. The lower wind speeds (under 20kph) are more common, which helps wave texture. Still, the fundamental problem remains — swell direction is nearly 180° off from the ideal. A few more days of NNW swell appear (4.7%) compared to the deep winter months, offering a slightly better chance of ridable waves, but overall it's a frustrating month of clean but gutless surf.

Average Spot conditions at Crash Boat in March

Swell history for March

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

Wind history for March

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

Swell quality

Analyze the groundswell consistency at Crash Boat during March. 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 Crash Boat for your next trip in March.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Crash Boat for March. 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 Crash Boat.

Swell with good wind

Swell with good wind by size