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Conditions at Portrush in February
February: Full Boil
February matches January wave for wave - average 7-8ft (2.1-2.4m) with an 11.6s period - but the westerly pulse is even more concentrated. The W direction jumps to 19.2% and WNW sits at 15.5%, meaning the optimal swell window is firing for more than a third of the month. The trade-off remains wind. SSW, SW and S breezes dominate the surface flow, and with only 9% ideal offshore conditions, you are chasing wind shifts and dawn patrol slots. At its best, February delivers long-period, grinding WNW groundswell to Portrush; at its worst, it is a wind-blown westerly close-out.
The coldest water of the year sits at 7.7°C while air temps average 4.7°C and precipitation runs at 3.14 mm/day. February is a true cold-water mission, but the rewards are real when the offshore windows open.
Average Spot conditions at Portrush in February
Swell history for February
Wind history for February
Swell quality
Analyze the groundswell consistency at Portrush 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 Portrush for your next trip in February.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Portrush 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 Portrush.