Perranporth - surf spot statistics

Perranporth in the United Kingdom offers surf conditions that vary significantly throughout the year, with the best months generally falling within the autumn and winter seasons. The peak surf months are from October to February, when ground swell dominates, providing higher-quality, more consistent waves. During these months, ground swell frequencies range between 50% and 80%, with mean swell sizes reaching 1.5m to 2.0m, ideal for experienced surfers. However, wind conditions during this period are often unfavorable, with bad winds (onshore or cross-shore) occurring 85% to 90% of the time, which can create messy wave faces. November through January sees the largest swells, averaging around 1.7m to 2.0m, but surfers must contend with strong onshore winds that frequently degrade surface conditions. Spring and summer, particularly from April to August, see a shift to wind swells dominating, reaching up to 77% in July, but with smaller wave heights averaging just 1.0m to 1.2m. While wind conditions are slightly less harsh than in winter, with bad winds still occurring 83% to 88% of the time, the overall surf quality drops due to the lack of powerful ground swell. September and March serve as transitional months, offering a mix of ground and wind swells, though swell size remains modest, around 1.2m to 1.6m. For surfers seeking the best balance between swell size and consistency, October stands out—it combines a solid 50% ground swell frequency, moderate 1.5m waves, and slightly better wind conditions compared to deeper winter months. However, those willing to brave harsh winds for bigger waves will find December and January the most rewarding, despite the frequent onshore blow. Overall, Perranporth is most reliable for surf in late autumn and winter, but surfers must be prepared for challenging wind conditions year-round.

July at Perranporth offers generally small to moderate surf conditions, with an average swell height of 1.0m and a decent period of 8.6s, providing some rideable energy. The dominant swell directions are W and WNW, which contribute the largest share of waves—especially in the 0.5-1.5m range—making them the most consistent for surfers. However, only about 13% of wind conditions are ideal (typically light offshore or sideshore), with WSW and W winds being the most frequent but often blowing at 10-30kph, which can create chop or texture. Swells from the SW and WSW also contribute some larger waves (1.5-2.5m), but these are less common. Expect smaller, weaker waves from other directions, with E and ESE swells being mostly insignificant. Overall, July is hit-or-miss: there are rideable days, especially when W/NW swells combine with lighter winds, but persistent onshore breezes and smaller swell windows mean patience is key. Advanced surfers may find occasional clean peaks, but beginners will struggle unless conditions align perfectly.