Surf forecastSpot statisticsHistorical report

Cape Town seasonal overview

Cape Town offers consistent surf year-round, with the best conditions typically found from April to August. During these months, ground swell dominates (90-93% of the time), providing clean, powerful waves with minimal wind interference. The mean swell size increases from 2.5m in April to 3.1m in June and July, making these peak months for experienced surfers seeking larger, more challenging waves. Wind conditions improve slightly in April and May, with good wind days occurring around 28-29% of the time, though bad winds still prevail most days (71-72%). Winter months (June-August) maintain strong swell (3.0-3.1m) but see a slight drop in favorable winds (24% good wind days). The shoulder months of March and September still deliver solid surf (86-87% ground swell, 2.4-2.8m) but with fewer clean wind days. Summer (December-February) brings smaller swells (2.4m) and significantly worse wind conditions, with only 19-21% good wind days, making it less ideal for surfers prioritizing quality. Overall, advanced surfers will find the most reliable waves from autumn through winter, particularly April-July, when larger swells and slightly better wind windows align. However, strong offshore winds are relatively rare year-round, so patience is key when chasing ideal sessions in Cape Town.

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Conditions at Cape Town in August

August in Cape Town delivers powerful and consistent surf, with an average swell height of 3.0m and an impressive period of 12.7s, indicating long-period, well-organized waves—ideal for experienced surfers. The dominant swell direction is from the SW to SSW, contributing to the majority of waves in the 1.5–2.5m range, with a significant portion (10.81%) of SW swells reaching 2–2.5m. Larger swells over 2.5m are also common, particularly from SW (2.49%) and SSW (0.42%). Wind conditions are less favorable, with only 24% of days offering ideal offshore or light cross-shore winds. The most problematic winds come from the SE to WNW, often blowing at 20–40kph, creating choppy or cross-shore conditions. However, when winds align from the NW or NNW, they can occasionally groom the larger SW swells into cleaner, more manageable waves. Expect powerful, often heavy surf with occasional wind challenges, making it best for advanced surfers comfortable in sizeable conditions.

Average Spot conditions at Cape Town in August

Swell history for August

0 - 0.5
0.5 - 1
1 - 1.5
1.5 - 2.0
2.0 - 2.5
> 2.5 m

Wind history for August

0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
> 50 km/h

Swell quality

Analyze the groundswell consistency at Cape Town during August. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Cape Town for your next trip in August.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Cape Town for August. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Cape Town.

Swell with good wind

Swell with good wind by size