- Home
- ...Africa
South Africa- Kalk Bay
Conditions at Kalk Bay in July
July: Peak Swell, Peak Commitment
July sees the highest average swell height of the year at 2.9m (9.5ft), with an average period of 12.6s - the most powerful month on the calendar. Swell distribution still favors SW at 18.4% and WSW at 9.8%, with SSW at 8.5%; these are long, heavy Southern Ocean swells. It's also the coldest month: air temperature averages 11.8°C, water temp drops to 14.7°C, and precipitation sits at 3.70mm/day. The wind is still favorable enough, with NNW at 22.7% and NW at 11.5%, making ideal conditions 21% of the time. If you have the equipment and the nerve, this is where Kalk Bay's heaviest, most hollow days can appear, especially when a true S/SSE component lines up with a morning NW offshore.
Average Spot conditions at Kalk Bay in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Kalk Bay during July. 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 Kalk Bay for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Kalk Bay for July. 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 Kalk Bay.