Banzai - surf spot statistics

Banzai, Italy, is a surf spot that experiences variable conditions throughout the year, with distinct seasonal trends in swell and wind. The best months for surfing are typically during autumn and winter, when ground swells are more frequent and wave heights are more substantial. January and December stand out as the most favorable months, offering the highest mean swell size (1.3m) and relatively higher percentages of ground swell (23% and 21%, respectively). While wind conditions are predominantly onshore or unfavorable (90% bad wind conditions in January and December), these months still provide the most consistent wave energy. Late autumn (November) is another solid window, with decent ground swell (18%) and manageable wind ratios. February and March also deliver reasonable surf, though with slightly smaller waves (1.2m–1.1m) and similarly challenging winds. Spring and summer bring weaker conditions, with April through September seeing a significant drop in ground swells (often below 15%) and smaller average wave sizes (0.7m–0.9m). Wind conditions remain poor, peaking in August with 92% unfavorable winds and minimal swell activity. While summer months may occasionally produce wind swells (around 40%), they are generally unreliable for quality surfing. October marks the beginning of the transition back to better swells, but wind issues persist. Overall, the prime surf season at Banzai runs from November through March, with winter offering the most powerful and consistent waves despite the challenging winds. Surfers should prioritize these months for the best chances of good rides.

In January, Banzai offers fairly consistent surf conditions with an average swell height of 1.3m and a moderate period of 6.8s, providing rideable waves for intermediate to advanced surfers. The most favorable swell directions come from the SW, SSW, and S, which account for the majority of waves in the 1-2.5m range, with SW swells delivering the highest proportion of quality surf (3-4.5m total distribution). Larger waves (over 2.5m) are rare but occasionally sourced from W and WNW directions—best suited for experienced riders. Wind conditions are tricky, with only 10% being ideal (light offshore or sideshore), predominantly from NE to E directions. However, strong onshore winds (SSE to SW) are common, reaching 20-40kph in 10-15% of cases, which can degrade wave quality. Expect a mix of small, clean sessions and wind-affected days, with the best opportunities arising when SW swells coincide with lighter NE winds. Overall, patience and flexibility are key this month.