Kitaizumi - surf spot statistics

Kitaizumi in Japan offers varying surf conditions throughout the year, with distinct seasonal patterns influencing swell and wind quality. The best months for surfers generally align with higher ground swell percentages, manageable wind conditions, and consistent wave size. From January to March, ground swells dominate (59% in January, 55% in February, 46% in March) with mean swell sizes around 1.4-1.6m, offering reliable wave energy. However, wind conditions are less favorable, with bad winds prevailing 72% of the time, which can create choppy surfaces. The mid-year months (April to August) see a shift toward wind swells (peaking at 88% in June) and smaller average wave sizes (1.3-1.6m), making conditions less ideal for advanced surfers seeking clean, powerful waves. While summer months like July and August bring slightly better wind stats (33% good winds), the prevalence of wind swells often results in weaker, less organized waves. Autumn (September to November) marks a transitional period, with ground swells increasing again (28-40%) and mean swell sizes holding steady at 1.4-1.6m. November stands out with 35% good wind conditions—the highest of the year—offering a better balance between swell quality and offshore winds. December sees a return to mixed ground and wind swells (51%/45%) but retains smaller waves (1.3m) and challenging winds (69% bad). Overall, the prime window for surfing at Kitaizumi is late autumn (November), when ground swells remain decent, wind conditions improve slightly, and wave size is consistent. Winter (January-March) provides powerful ground swells but suffers from poor winds, while summer months are dominated by weaker wind swells. Experienced surfers may prioritize winter for its raw swell energy, but November offers the most balanced conditions.

April at Kitaizumi offers relatively consistent surf conditions with an average swell height of 1.6m and a solid period of 9.4s, ensuring good energy and rideable waves. The dominant swell directions are from the ENE, E, and ESE, producing the majority of waves in the 1-2.5m range, with the best quality likely arriving from these angles. While smaller waves (0.5-1.5m) are frequent, there’s still a decent chance of head-high+ days, particularly when ENE or ESE swells combine with favorable winds. Wind conditions are somewhat mixed, with offshore or light winds occurring 27% of the time—most often from the WNW or NW, which can create clean faces when paired with easterly swells. However, stronger onshore winds from the S/SSW can occasionally degrade conditions, especially on bigger days. For experienced surfers, April delivers a mix of playful to powerful waves, with the best sessions likely when ENE swells meet lighter NW winds, offering clean, lined-up walls. Keep an eye on wind shifts, as variability can impact quality, but overall, the month provides solid opportunities.