Umdloti - surf spot statistics

Umdloti, South Africa, offers consistent surf conditions year-round but has distinct seasonal variations in swell and wind quality. The best months for surfing are typically from April to August, when ground swell dominates (65-76% probability) and wind conditions are more favorable. During this period, April stands out with 53% good winds, May (61%), and June (66%), making them prime months for clean, rideable waves. Mean swell sizes remain steady around 1.6-1.7m, offering manageable but punchy waves. Late autumn and winter (May-July) are particularly reliable, combining solid ground swells with offshore wind frequencies rarely dropping below 50%. Outside this window, the surf becomes less predictable. From September to March, wind swell takes over (48-65% probability), and onshore winds plague 59-68% of days, disrupting conditions. October and November, despite slightly larger swells (1.8m and 1.6m respectively), suffer from 67-68% bad winds, often ruining wave quality. Summer months (December-February) see a drop in ground swell (37-45%) and poor wind reliability (59-65% onshore), though smaller swells (1.5-1.6m) can still provide fun sessions when winds align. For serious surfers, late autumn through mid-winter (April-August) delivers the most consistent mix of ground swell energy and cleaner winds, while the rest of the year requires patience to score occasional good days.

In April, Umdloti offers decent surf conditions with an average swell height of 1.7m and a solid period of 11.4s, indicating well-organized and powerful waves. The swell is predominantly from the SE to SSE directions, with the highest frequency in the 1-1.5m and 1.5-2m ranges, providing consistent, rideable waves. Larger swells (2m+) occur less frequently but add variety for advanced surfers. Wind conditions are favorable 53% of the time, with light to moderate speeds (10-20kph) coming mostly from NE, ENE, and S, which typically groom the waves without blowing them out. Stronger winds (20-30kph) from S and SSW may occasionally disrupt conditions but are less common. Overall, April delivers reliable surf with clean, mid-sized waves, making it a good month for intermediate to advanced surfers seeking quality rides with manageable wind interference.