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Conditions at St Ives in April
April: Spring Cleanup
April brings a sigh of relief. The average swell height drops to 1.6m (5ft), and the average period settles to 10.1s - still punchy, but less intimidating than the winter months. W (23.4%) and WSW (17.4%) swells dominate, while WNW (12.1%) continues to provide the most favorable alignment. More of the energy now sits in the 0.5-1.5m range, so it is more about fun, rippable waves than raw power. The big news is wind: ideal conditions climb to 21% - among the highest of the year - with SSW (6.8%), SW (6.1%) and WSW (6.1%) offshore options in play. The main spoiler is NNW wind, which reaches 10.1% and blows straight onshore into St Ives. Sea surface temperature climbs slowly to 10.1°C, air temperatures average 10.0°C and precipitation drops to 2.26 mm/day. April is a genuine fair-surf month - cleaner, sunnier and still capable of producing quality head-high waves.
Average Spot conditions at St Ives in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at St Ives during April. 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 St Ives for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at St Ives for April. 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 St Ives.