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Conditions at Playa Rio Mar in April
April: Long-Period SSW Swell and a Fading Trade Wind
April marks a clear shift toward the surf-friendly wet season. The SSW quadrant becomes the dominant swell source at 48.9 percent, and the combined S/SSW/SW/WSW directions pass the 60 percent mark. The average period is a solid 13.2 seconds, giving the waves proper groundswell power even though the average height remains a modest 2 feet (0.6m). Most waves are clean, rippable 2 to 3 foot (0.6 to 1m) lines, with the better SSW pulses pushing toward 3 to 5 feet (1 to 1.5m) on the sets. The wind is ideal 65 percent of the time, with NNW flow still dominant at 68.6 percent, but the onshore SW/WSW windows are starting to creep in. Rain increases to 3.21 mm/day, air temperatures rise to 27.5°C, and the water is warm at 27.5°C. It is a good month for a southeast-facing bank like Playa Rio Mar: consistent, long-period, and mostly offshore.
Average Spot conditions at Playa Rio Mar in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Playa Rio Mar during April. 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 Playa Rio Mar for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Playa Rio Mar for April. 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 Playa Rio Mar.