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Conditions at Abrolhos Islands in May
May: Winter Swell Gets Going
May is where the Abrolhos surf season really comes to life. The average swell height rises to 2.3m (7.5ft) with an average period of 13.4s, the signature of strong Southern Ocean groundswell. The wave rose shows SW becoming the leading direction at 26.0%, with SSW close behind at 23.7% and WSW adding another 6.1%. The shift toward the SW-W window is a good sign for the reefs, and the 2-2.5m (6-8ft) band is loaded with energy.
Ideal offshore wind climbs to 10% of the time, although SSE and SE winds are still common at 15.1% and 13.5% respectively. The increased frequency of W-WNW flow is the big difference; those windows groom the swell into clean, hollow lines. Water temperature remains warm at 23.7°C, air temperature drops slightly to 21.5°C, and rainfall increases to 1.83 mm/day as winter fronts begin to arrive.
Average Spot conditions at Abrolhos Islands in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Abrolhos Islands 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 Abrolhos Islands for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Abrolhos Islands 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 Abrolhos Islands.