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Conditions at Porthleven in February
February: Still Deep, Still Serious
February remains deep in winter territory. The average swell height is around 8ft (2.4m) with another strong 11.7s average period, meaning long-period Atlantic groundswell is the norm. W swell leads the way at 19.3%, followed by WSW at 13.9%, WNW at 7.1% and SW at 5.3%. The WSW component is arguably the most valuable, as it travels from within the ideal swell window and hits the southwest-facing bay directly.
The wind pattern is still heavily influenced by passing frontal systems. WSW (9.6%), SW (9.2%), W (8.9%), SSW (8.0%) and WNW (8.2%) are all well represented, giving the month a persistent onshore tendency. Ideal wind is only 15%, while the N/NNE/NE/ENE offshore quadrant accounts for roughly 16% of the observations. It is very much a battle between size and wind quality.
Water temperature drops to 9.3°C, air averages 8.8°C, and precipitation is 3.04 mm/day. February is not for the faint-hearted; the waves are heavy and powerful, but you will need patience to find a window of clean, offshore NW-to-NE conditions.
Average Spot conditions at Porthleven in February
Swell history for February
Wind history for February
Swell quality
Analyze the groundswell consistency at Porthleven during February. 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 Porthleven for your next trip in February.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Porthleven for February. 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 Porthleven.