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Conditions at Playa Jaco in October
October: Maximum Swell, Minimal Clean Windows
October is statistically the toughest month for wind at Playa Jaco, with ideal conditions only 18% of the time. The average swell height matches the annual peak at 1.4m, and the period is still a strong 12.7s, but the SW component rises to 20% alongside 78% SSW, so more southwesterly energy is mixing in. This is also the wettest month with 9.36 mm/day of rain, while air temperatures are 25°C (23-29°C) and water temperature drops to 27.9°C. The wind rose shows a strong WNW and W component, which is cross-onshore for a southwest-facing beach, and the SE/SSE onshore flow is also frequent. When the rain bands clear and the wind flips into the northern quadrant, the consistent 3-5ft (1-1.5m) South Pacific groundswell can still deliver excellent sessions - you just have to work for them.
Average Spot conditions at Playa Jaco in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Playa Jaco during October. 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 Jaco for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Playa Jaco for October. 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 Jaco.