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Conditions at La Isla in April
April: Bigger Swell, Fading Offshore Flow
April marks a shift toward more serious South Pacific energy. The average swell height climbs to 1.7m (5.6ft) with a 13.6s period, and SSW accounts for a remarkable 92% of all wave energy. The dominant wave heights sit in the 1.5-2m (5-6.5ft) range, while over 18% of the surf runs 2-2.5m (6.5-8ft). Expect a heavy paddle out and waves with real down-the-line potential.
The concerning side is the wind. Ideal offshore flow drops to just 3% of the time, while S, SSW and SW winds fill around 78% of the month. Wind speeds remain mostly under 20kph, but the constant southerly component adds lumpiness and makes wave faces harder to read. The early morning often offers the only clean look before the coastal breeze kicks in.
Air temperatures cool to 16-25.8°C, rain is nearly absent, and the water temperature slips to 17.5°C - time to start thinking about thicker rubber.
Average Spot conditions at La Isla in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at La Isla 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 La Isla for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at La Isla 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 La Isla.