Conditions at Ribeira das Janelas in July
July: The Trade Wind Grind
July is the heart of the low season. Average swell height falls to 4-5ft (1.3-1.4m) and the period bottoms out at 8.5s. Swell is almost entirely short-period windswell from the NNE and NNW, with NNE accounting for 38.1% of the wave energy. The onshore wind is relentless: NNE and NE combined account for over 74% of all wind observations, while ideal offshore wind drops to a miserable 3%. This means Ribeira das Janelas is often bumpy and blown out. The water is warm at 22.0°C and air temperatures peak around 21.4°C, but only a rare southerly breeze will create a rideable surface. If you are in Portugal in July, use this month to explore other breaks or enjoy the beach when the surf is small.
Average Spot conditions at Ribeira das Janelas in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Ribeira das Janelas 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 Ribeira das Janelas for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Ribeira das Janelas 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 Ribeira das Janelas.