Conditions at Sines in June
June: Smaller Swells, Reliable Offshore Mornings
June signals the start of the low season at Sines. The average swell height levels out at 4.3ft (1.3m) with an average period of 9.3 seconds, which is average and punchy but much less powerful than winter. NW swell takes full control at 54.7 percent of observations, and the spread is concentrated in the 0.5-1.5m range. Favorable S/SW and WSW swell directions nearly disappear, so consistency drops. The saving grace is summer wind: ideal offshore N/NNE/NE and NNW flow is present 55 percent of the time, often as a cool, glassy land breeze in the morning. Small days still yield fun-sized waves on a groveler.
Air temps average 21.0°C, rain is almost absent at 0.32 mm per day, and water temperature reaches 17.2°C. Summer is here.
Average Spot conditions at Sines in June
Swell history for June
Wind history for June
Swell quality
Analyze the groundswell consistency at Sines during June. 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 Sines for your next trip in June.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sines for June. 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 Sines.