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Conditions at Stent Road in May
May: The Autumn/Winter Bridge
May is when the Southern Ocean really wakes up. The average swell height jumps to 2.1m (6.9ft) with a period of 12.1 seconds, and we start to see a meaningful number of XXL waves over 2.5m (8ft+), particularly from the WSW (0.9%). WSW remains the primary swell direction at 37.4%, with W and WNW swells adding another 15.1%. The wind, however, turns more challenging. Ideal conditions drop to 20%, and the onshore westerly quadrant (WSW, W, WNW) collectively blows over 30% of the time. The brighter side is that southeast winds are still present at 10.7%, and when they align with the large westerly groundswell, Stent Road can be epic. Water temps fall to 17.1°C and air to 14.8°C, so it's time to break out the 3/2 wetsuit. Precipitation increases to 4.42 mm/day, typical of the wetter winter pattern.
Average Spot conditions at Stent Road in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Stent Road 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 Stent Road for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Stent Road 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 Stent Road.