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Conditions at Isla Grande in July
July: Bigger Swell, Still Decent Windows
July sees the strongest average swell of the summer at 1.4m (4.5ft) with an 8.3s period. The swell direction is almost exclusively NE (98.2%), making for perfectly aligned waves. Onshore NE wind makes a slight comeback, up to 22.5%, and NNE adds another 12.0%, while ENE pushes 16.2% - so there is still a fair share of bumpy days. But ideal offshore wind still flows 28% of the time, and when it does, these summer pulses can be smooth, powerful, and hollow on the better sandbars. Water temp remains a warm 28.7°C; rainfall similar to June at 7.49 mm/day. Keep your eyes on the forecast for a tropical wave passing offshore - it often drags SW winds in its wake and sets Isla Grande alight.
Average Spot conditions at Isla Grande in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Isla Grande 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 Isla Grande for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Isla Grande 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 Isla Grande.