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Conditions at Scarborough in July
July: The Heart of the Winter Swell Machine
July is the peak of the Southern Ocean swell machine. Average wave height reaches 2.7m (9ft) - squarely in the pumping, heavy, firing category - with a 13.0s period that puts serious power on the face. Swell direction continues to favor WSW/SW with 16.5% WSW and 26.0% SW, plus a meaningful W component of 3.7% for maximum exposure at Scarborough. The trade-off is weather. Ideal winds are still a solid 39%, but the wind rose is more westerly overall, with W (7.7%), WSW (7.4%), WNW (6.7%) and stronger speeds. Frontal passages bring 4.53mm/day of rain, air temp drops to 15.7°C and water cools to 19.2°C. This month is not for the faint-hearted: when an E/ENE offshore line hits a 3m+ W/SW swell, it can be magnificent and intimidating in equal measure.
Average Spot conditions at Scarborough in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Scarborough 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 Scarborough for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Scarborough 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 Scarborough.