Conditions at Sandon Point in May
May: The Autumn Peak Begins
May is arguably the first full month of excellent late-season conditions. The average swell height is still a manageable 1.7m (5.6ft), but the mean period stretches to 9.7s, the longest of the year, and the data show a strong Southern Ocean influence in SSE (19.9%) and S (14.6%) swell. The E/SE window remains active with SE (14.2%), ESE (10.1%) and E (8.5%). Critically, ideal offshore wind is now observed 52% of the time. The wind rose becomes dominated by W (10.3%), WSW (10.2%), WNW (8.2%), and SW (6.8%) - exactly the clean offshore directions for Sandon Point. Air temperatures average 12.7°C, water drops to 20.3°C, and precipitation is low at 2.09mm/day. This is a month to pick off the point under glassy skies and long period south-east swell.
Average Spot conditions at Sandon Point in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Sandon Point 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 Sandon Point for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sandon Point 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 Sandon Point.