Conditions at Seinesodden in July
July: Summer Flatness at Its Warmest
July is statistically the lowest point of the year for surf energy, with an average swell height of 2-3ft (0.8m) and the shortest mean period of the year at 7.7 seconds. The westerly swell windows still appear in the waverose - WSW at 29.1%, W at 19.1%, NNW at 14.5%, WNW at 12.3% and NW at 9.1% - but nearly all of it sits in the 0.5-1m range, making for grovelly, weak, short-period surf. The wind is not on your side either: NNW leads at 12.8%, NNE at 11.3%, SW at 11.2% and WSW at 9.9%. The offshore E/ESE/SE/SSE flow manages only 15.4%, so clean conditions are a rare treat. Ideal surf wind occurs just 17% of the time. Air temperatures peak at an average of 11.0°C, precipitation is 4.14 mm/day and the water temperature reaches its warmest of the season at 11.9°C. This is a month for longboard fun at best, not serious performance surfing.
Average Spot conditions at Seinesodden in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Seinesodden 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 Seinesodden for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Seinesodden 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 Seinesodden.