Betty's Bay - surf spot statistics

Betty's Bay in South Africa is a surf spot that offers consistent ground swells year-round, with minimal wind swells and virtually no days without swell. The best conditions for surfing typically occur from April to September, when ground swell dominance is highest (90-93%) and the mean swell size increases, peaking at 3.0m in June and July. During this period, wind conditions improve slightly compared to other months, with good wind days ranging from 22% in April to 29% in May and June. The larger swells and slightly better offshore winds make these months ideal for experienced surfers seeking powerful, clean waves. The shoulder months of March and October still offer reliable ground swells (85-86% and 80% respectively) but with smaller average sizes (2.2-2.4m) and fewer favorable wind days. From November to February, swell size decreases further (2.2-2.3m), and wind conditions are least favorable, with only 13-17% of days having good winds. While surfable waves are almost always present due to the strong ground swell consistency, surfers should prioritize the autumn and winter months (April-September) for the best combination of swell size, power, and marginally improved wind conditions. The spot is rarely flat, but the quality and size of waves are significantly better in the mid-year months.

August at Betty's Bay offers consistent surf conditions with a solid average swell height of 2.9m and a healthy period of 12.6s, indicating powerful, well-spaced waves. The swell direction is predominantly from the south and southwest, with the highest frequency of rideable waves (1.5m+) coming from SW (26.02%), S (1.51%), and SSW (7.01%). These directions provide the best energy for the spot, though larger swells (over 2.5m) are most common from SW (2.47%), which can get heavy. Wind conditions are less favorable, with only 24% of days offering ideal offshores (typically light ESE to E winds under 20kph). However, strong onshore winds from NW/WNW are prevalent (20-40kph in ~13-15% of cases), which can quickly degrade conditions. Expect a mix of powerful, clean days when winds align, but frequent wind-affected sessions requiring patience. Advanced surfers will find the most opportunities, particularly when SW swells meet lighter easterly winds.