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.

January at Kitaizumi offers decent surf conditions with an average swell height of 1.4m and a solid period of 10.5s, providing well-formed and consistent waves. The swell direction is predominantly from the NE and ENE, contributing to the majority of rideable waves (1-2.5m range), with the best quality likely on these directions due to favorable period and energy. Wind conditions are ideal for surfing only 28% of the time, meaning cross-shore or light offshore winds are relatively rare. The worst winds come from the west-northwest (WNW) and northwest (NW), which often bring strong onshore or cross-onshore gusts above 20kph, potentially ruining wave shape. Expect a mix of smaller (0.5-1.5m) and mid-sized (1.5-2.5m) waves, with occasional larger sets, but overall, it's a month for intermediate to advanced surfers who can handle variable wind conditions. Early mornings may offer cleaner sessions before winds pick up.