K59 - surf spot statistics

K59 in El Salvador is a consistent year-round surf spot with a strong dominance of ground swell, averaging between 92% and 100% through the year, ensuring high-quality waves with minimal wind swell interference. The best months for surfing at K59 are March through September, when the mean swell size increases, peaking at 1.5m in September. During this period, the swell is most reliable, with March offering a good balance of wave size (1.1m) and slightly better wind conditions (47% good winds). From April to September, the swell size remains strong (1.2m–1.5m), though wind conditions become less favorable, with bad winds occurring 55–61% of the time. The optimal time for cleanest conditions is typically March and November, when the chance of good winds is highest (47–49%) while still maintaining solid swell size (1.1m). The worst wind conditions occur from May to September, with June and September seeing only 39% good winds. December to February are decent, but with smaller waves (0.9m–1.0m) and moderately unfavorable winds (53–55% bad winds). Overall, advanced surfers will find the most powerful and consistent surf from April to September, while those preferring cleaner conditions should target March or November.

September at K59, El Salvador, offers favorable conditions for surfers, with a consistent south to southwest swell direction dominating the lineup. The average swell height of 1.5m combined with a solid 14.3-second period ensures powerful, well-spaced waves that hold shape, particularly in the 1-2.5m range, which occurs frequently (over 80% of the time). SSW swells are the most prominent, delivering clean, organized waves, while SW and S swells add variation without disrupting quality. Wind conditions are generally manageable, with ideal offshore or light cross-shore winds occurring 39% of the time—most commonly from the north to northeast quadrant at 10-20kph, keeping surfaces clean. However, occasional onshore winds from the south and southwest can create chop, especially when speeds exceed 20kph. Overall, September provides reliable waves with good power and favorable winds, though early mornings often have the cleanest conditions before wind picks up. Advanced surfers will appreciate the consistent energy, while the mix of sizes ensures options for different skill levels.