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Conditions at Jan Juc in May
May: Southern Ocean Power with Clean Offshore Flow
May is consistently excellent at Jan Juc. The average swell height is 5-6ft (1.5-1.8m), the average period holds at 12.4s, and the ideal wind score jumps to 49%. The Southern Ocean is now producing strong frontal systems, and the wave rose shows a healthy mix of SW (41.6%), SSW (16.0%), WSW (14.0%) and W (4.7%) swell. Those longer-period southwesterly swells wrap into Jan Juc and deliver some proper winter-shaped waves.
The wind pattern has finally swung in the surfer's favour. NNW (14.9%), WNW (13.8%) and NW (12.0%) are the leading wind directions, all nicely offshore at Jan Juc. This is reflected in the ideal wind figure nearly doubling from summer. Water temperature drops to 16.1°C, air temperature averages 13.8°C, and rainfall increases to 2.10mm/day as low pressure systems sweep through. It's colder, but the clean, lined-up surf more than balances the books.
Average Spot conditions at Jan Juc in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Jan Juc 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 Jan Juc for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Jan Juc 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 Jan Juc.