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Conditions at Rincon Point in April
April: Fading Winter, Rising South
April is a true transition month. Average swell height holds at 4ft (1.2m), but the period drops to 10.8s, indicating that winter groundswell is starting to lose duration and power. The swell compass still shows a massive western bias with W and WNW combining for 82.5%, while WSW adds 12.9%. The good south-direction energies dip to a yearly low around 3.0%. Ideal offshore wind frequency drops to 32%, and the prevailing wind shifts further toward the W/SW quadrant, so Rincon becomes less consistent and more dependent on morning offshore windows.
Spring weather settles in: average air temperature 13.2°C, water temperature 12.4°C, and precipitation down to 0.70 mm/day. Dry weather means more runway for the afternoon onshore flow, so the early hours are definitely the cleanest for this month.
Average Spot conditions at Rincon Point in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Rincon Point 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 Rincon Point for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Rincon Point 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 Rincon Point.