Patrokl seasonal overview
Best Surf Season (March - May)
While Patrokl is far from a world-class wave factory, the spring months offer the most consistent window for surfable conditions. During March, April, and May, the frequency of offshore winds from the west and northwest increases, with ideal wind percentages climbing above 10%—the highest of the year. Simultaneously, the sea begins to generate more swell from the southeast and south-southeast, which aligns with Patrokl's east-facing orientation. Sure, the average wave heights remain small (0.5-0.6m) and periods short (5-6s), but when a passing low-pressure system in the Sea of Japan sends a longer-period pulse, and the wind cooperates, you can find fun, rippable waves in the waist-high range. The key is to watch for synoptic setups that bring a SE swell combined with a light westerly breeze.
Fair Surf Season (October - February)
The winter half-year sees a slight uptick in average swell height to 0.7-0.8m, thanks to increased storm activity across the North Pacific and the Sea of Okhotsk. However, the dominant swell direction swings to the north and north-northwest—completely shadowed by the coastline for an east-facing beach. Most of the energy from these winter gales passes by Patrokl, leaving only background swell. Furthermore, the wind regime becomes dominated by strong northerly winds, which create choppy, onshore conditions and drop the ideal wind percentage to a meager 4-7%. The occasional westerly or northwesterly outflow from a passing cold front can briefly clean things up, but overall, it's a season of low-expectation surfing with a lot of flat days mixed in.
Low Surf Season (June - September)
Summer at Patrokl is the quietest time of year. The average swell height bottoms out at 0.5m with periods of 4-5s, resulting in mostly micro to small, groveling waves. The swell direction shifts strongly to the south and southeast, which can produce some rideable waves, but the wind is the main problem. The prevailing southerly monsoon flow brings onshore winds from the S and SSE for the majority of the summer, degrading what little swell reaches the coast. Ideal offshore wind conditions occur only 6-9% of the time—usually during brief early morning hours or when a rare northerly surge pushes through. If you're desperate for a session, you might squeeze out some knee-high sliders on a longboard, but this is purely a low-season for dedicated surfers.
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Conditions at Patrokl in April
April: Peak Wind Window
April delivers the highest percentage of ideal wind of any month at 14%, making it the prime month for clean conditions at Patrokl. The average swell height remains modest at 0.6m with period 5.6s, but the directional distribution shows a strong southerly component: south (32.1%) and south-southwest (30.5%) dominate. More encouragingly, swell from the southeast (7.5%) and south-southeast (11.3%) is the highest so far, offering direct exposure. Winds from the optimal offshore quadrant (WSW-WNW) total around 14-15%, and they often occur in lighter speeds (0-20kph). This means you can find fun, clean waist-high waves on a quality logger or fish. The downside: onshore southerlies still dominate (S+SSE total >29%), so patience is key. Watch for a high-pressure ridge building to the west, delivering a gentle W wind and a pulse of E to SE swell—that's when Patrokl really comes to life.
Average Spot conditions at Patrokl in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Patrokl 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 Patrokl for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Patrokl 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 Patrokl.
