Cobden seasonal overview
Cobden, New Zealand, offers consistent surf conditions year-round with a strong dominance of ground swell, which typically provides cleaner and more organized waves compared to wind swell. The best months for surfing at this spot are from May to August, when swell consistency and wave height peak while wind conditions are most favorable. During this period, the mean swell size averages around 2.0m, and the percentage of good wind conditions increases significantly, peaking at 54% in July with the lowest proportion of bad winds at just 46%. Ground swell remains dominant in these months, ensuring high-quality waves. The autumn and early winter months (April to June) also see improving wind conditions, with May and June offering a balanced mix of solid swell (1.8-2.0m) and increasingly favorable winds. In contrast, the summer months (December to February) bring smaller swells (1.5-1.7m) and significantly worse wind conditions, with bad winds occurring over 60% of the time. September and October still see decent swell sizes (2.1m), but wind quality deteriorates, making sessions more inconsistent. Overall, the mid-year period provides the most reliable surf, combining solid ground swell, manageable wind conditions, and larger wave heights, while summer is less ideal due to higher onshore wind influence and smaller swells.
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Conditions at Cobden in May
In May, Cobden offers surfers consistent conditions with an average swell height of 2.0m and a solid 12.4s period, indicating powerful, well-formed waves. The swell direction is predominantly from the west to northwest, with WSW swells being the most frequent and delivering the largest waves (19.99% at 1-1.5m, 14.43% at 1.5-2m, and 8.95% at 2-2.5m). This favors clean, long-period waves ideal for experienced surfers. Winds are favorable for surfing 48% of the time, with lighter offshore or cross-shore winds mostly from the northeast to southeast, particularly ENE (3.16% at 0-10kph) and E (6.06% at 0-10kph). Stronger onshore winds, mainly from the southwest and west, can reduce wave quality, but they are less frequent. Overall, May provides reliable surf with good power and shape, best suited for intermediate to advanced surfers who can handle larger swells. Wind conditions are variable, so timing sessions around lighter winds will maximize quality.
Average Spot conditions at Cobden in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Cobden during May. 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 Cobden for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cobden for May. 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 Cobden.
