Rincon Point seasonal overview
Best Surf Season (October - March)
The winter months bring the most consistent swell to the California coast, and Rincon Point is no exception. Powerful extra-tropical cyclones churn across the North Pacific, sending long-period west-northwest swell that wraps into the Santa Barbara Channel. While this swell direction is not ideal for the south-facing point, refraction and shadowing can produce clean, lined-up waves, especially when combined with offshore north winds. The real magic happens when a south swell from a distant storm in the Southern Hemisphere or a Gulf low aligns with a high-pressure ridge that delivers classic Santa Ana conditions – light north to northeast winds and sunny skies. During these events, the point transforms into a long, peeling right-hander that is world-class. With ideal wind percentages averaging over 40% and average swell heights around 1.0-1.2m, this is the prime window for Rincon.
Fair Surf Season (April - May & September)
Spring and early fall offer a mixed bag. The North Pacific storm track weakens, reducing the size and frequency of west swell. However, the south swell window opens as storm activity increases in the South Pacific. This brings smaller (0.5-1.5m) but more favorably directed swell from the SSW and SW. The catch is that wind patterns shift: the strong high pressure over the Great Basin that drives offshore flow in winter fades, and the coastal marine layer often brings onshore afternoon breezes from the south and southwest. Ideal wind percentages drop to 18-32%, meaning you have to pick your windows carefully. Early mornings often offer lighter winds, and occasional late-season cold fronts can refresh the swell and flip winds offshore for a day or two.
Low Surf Season (June - August)
Summer is the most challenging time for consistently good waves at Rincon. While the Southern Hemisphere generates regular long-period south swells that are perfectly aimed at the point, the dominant wind regime is from the southwest – onshore and degrading. Ideal wind percentages plummet to just 4-8%, and average swell heights dip to 0.9m. Most days are characterized by small, choppy surf with onshore texture. That said, don't write off summer entirely. A strong south swell coinciding with a rare episode of offshore north wind (often from a passing low pressure trough) can bring short-lived, glassy conditions and fun, rippable waves. But these days are the exception, not the rule. For consistent quality, stick to the winter months.
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Conditions at Rincon Point in September
September: Hope on the Horizon
September sees the first signs of recovery. Average swell height remains 0.9m, period 11.2s, but ideal wind jumps to 18% – a significant improvement over summer. South swell from the Southern Hemisphere is still strong at 13.1%, led by SW (10.8%) and WSW (27.2%). The wind pattern begins to shift: while SW (14.5%) and WSW (25.0%) are still dominant, north winds (N, NNE, NE, NNW) combine for 1.7%, double the summer low. This is enough to start seeing more frequent clean conditions. Early fall cold fronts can drop south, flipping winds offshore for a day and injecting a dose of west swell. The combination of a fresh south swell and a clearing north wind is the holy grail of September. Expect fun-sized waves (0.5-1.5m) with occasional larger pulses. This month is a transition, and the reward for patience is the first taste of winter-like quality. Keep an eye on the tropical Pacific as well – hurricane remnants can send impressive south swells.
Average Spot conditions at Rincon Point in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Rincon Point during September. 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 September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Rincon Point for September. 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.
