Humewood Pier seasonal overview
Best Surf Season (December - March)
Summer in the Southern Hemisphere brings the highest percentage of offshore wind conditions at Humewood Pier, with ideal S-SSW breezes blowing clean across the NNE-facing beach nearly 28% of the time. While the average swell heights dip to a modest 1.9-2.0m, the long-period groundswells from the South and Southwest (10-11s) combine with light offshores to produce clean, rippable waves. Don't expect any direct N-NE swell – that's virtually absent – but the combination of glassy mornings and punchy 1-1.5m sets from the dominant SSW can still deliver fun, groomed peaks, especially when a passing cold front aligns the wind perfectly.
Fair Surf Season (April - May & September - November)
During the shoulder months, the balance shifts. Swell energy slowly ramps up in autumn (April and May) with average heights reaching 2.1-2.2m and periods stretching to 12s, but the frequency of ideal light offshore wind drops to 23-25%. Spring (September to November) sees a similar mix: average swell around 2.1-2.3m with 11-12s periods, and favorable wind only about 22-25% of the time. The dominant swell direction remains stubbornly from the SSW-SW, meaning the pier rarely sees optimal N-NE swell. However, on those days when a high-pressure system stalls offshore and delivers a steady south-westerly breeze, the mid-sized swell becomes clean, powerful, and eminently surfable.
Low Surf Season (June - August)
Winter is the most challenging period at Humewood Pier. The average wave heights increase to a solid 2.3-2.4m with long periods of 12.2-12.5s, indicating plenty of deep-ocean energy. Unfortunately, that's when the prevailing wind most often turns against the spot. The percentage of ideal S-SSW offshore wind plummets to 18-21%, while the onshore N-NE winds become more frequent and gusty, ruining wave quality. The swell direction remains locked in the SSW-SW quadrant, so even the bigger groundswells are often accompanied by cross or onshore winds, creating choppy, difficult conditions. The few good days come when a rare winter cold front delivers a short window of offshore flow; otherwise, it's a waiting game for the spring transition.
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Conditions at Humewood Pier in September
September: Spring Transition Brings Better Wind Ratios
Spring arrives and the average swell height drops slightly to 2.3m with period 11.7s. Ideal wind climbs to 22%. Swell directions remain SSW (21%) and SW (20%) heavy, with S (10%) and SSE (6%) also contributing. The wind pattern undergoes a significant shift: onshore N-NE winds decrease (N 1.6%, NNE 2.4%, NE 4.5%), while westerlies (WSW 20%, W 11%) and southwesterlies (SW 10%) increase. The combination of moderate seas and more frequent offshore winds means more rideable days. While direct N-NE swell is still absent, the south-southwest groundswell can link up with the pier's sand bottom to create long, clean lines when the wind is right. September is when the season starts to turn.
Average Spot conditions at Humewood Pier in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Humewood Pier 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 Humewood Pier for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Humewood Pier 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 Humewood Pier.
