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.

In May, Perranporth offers surfers moderate conditions with an average swell height of 1.1m and a decent period of 9.4s, indicating generally clean and rideable waves. The swell direction is predominantly from the W to NW sector, with W and WNW swells being the most frequent and providing the highest percentage of waves in the 0.5-2.5m range. Larger swells (over 1.5m) are less common but still present, particularly from the W and WNW directions, which account for most of the surfable waves. Wind conditions are less favorable, with only 17% of days offering ideal offshore or light cross-shore winds (typically from the E to SE). Onshore winds from the W to SW are more frequent, potentially causing choppy conditions, though they often coincide with larger swells. Overall, May is a decent month for intermediate surfers, with the best sessions likely when W-NW swells combine with lighter easterly winds. Expect a mix of small to medium-sized waves, with occasional clean, well-shaped sets when conditions align.