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Conditions at Good Rats in April
April: Shoulder Season with a Pulse
April is the hinge month between winter grind and summer lull. The average swell height is still a respectable 7ft (2.2m), and the period drops only slightly to 10.8s, so there are waves with real push. Swell direction becomes even more concentrated in the SW quadrant: SSW 13.6%, SW 22.4% and WSW 18.4%, with W at 6.7%. This means the southwest-facing orientation of Good Rats is nearly ideal, and most of the energy arrives with good shape.
However, the wind profile starts to shift. The ideal offshore flow is still present about 39% of the time - the highest of the year - but onshore and cross-shore flow from the SE (12.0%) and SSE (11.1%) begins to creep in. The result is a mix: some glassy, long-period mornings with offshore NE breeze, followed by afternoon sea breezes that make the surface lumpy. Air temps average 3.8°C (38.8°F), water temp is 6.2°C (43.2°F), and precipitation is 4.1mm/day. April is the month where you pick your windows carefully but can still find excellent, powerful surf.
Average Spot conditions at Good Rats in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Good Rats 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 Good Rats for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Good Rats 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 Good Rats.