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Cave • Statistics for April

Conditions at Cave in April

April: Transitional Power and Lighter Crowds

April is a true transition month at Cave. Average swell height eases to 6.6ft (2.0m) and the average period drops to 11.1s, though still in the powerful long-period category. The swell rose is dominated by NW and NNW energy, with the direct westerly swell window still present at 6.4%. Offshore winds from the NE quadrant are less reliable, clocking in at 21% ideal, while strong NNW winds take over the wind rose at 28.6%. Rain averages 1.88mm/day, air temperatures warm to 14.7°C and the water climbs to 15.7°C. The waves are a little softer and less consistent than winter, but a good west swell with morning E/NE wind can still deliver clean, solid surf at Cave.

Average Spot conditions at Cave in April

Swell history for April

0 - 2
2 - 3
3 - 5
5 - 6
6 - 8
> 8 ft

Wind history for April

0 - 6.2
6.3 - 12.4
12.4 - 18.6
18.6 - 24.9
24.9 - 31.1
> 31.1 mph

Swell quality

Analyze the groundswell consistency at Cave 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 Cave for your next trip in April.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Cave 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 Cave.

Swell with good wind

Swell with good wind by size

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