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Margaret River - surf spot statistics
Margaret River seasonal overview
Margaret River is a world-class surf destination with consistent year-round swell, primarily driven by ground swells, which dominate 92-97% of the time. The best months for surfers are typically April through September, when the mean swell size increases to 2.7m-3.7m, offering powerful, clean waves. May to August stands out with the largest swells (3.1m-3.7m), ideal for experienced surfers seeking big, hollow waves. However, wind conditions are a challenge, as bad winds (onshore or cross-shore) prevail 76-85% of the time, peaking in the winter months. The most favorable wind conditions, though still limited, occur in April and May (24% good winds), making these months particularly appealing when clean offshore winds occasionally coincide with solid ground swells. The summer months (December-February) see smaller swells (2.3m-2.4m) and near-constant bad winds (85-88%), reducing surf quality. Overall, advanced surfers should target autumn and winter (April-September) for the biggest and most consistent waves, accepting the likelihood of windy conditions, while those seeking slightly smaller but still reliable waves might prefer early autumn (April-May) when wind conditions are marginally better.
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Conditions at Margaret River in July
July at Margaret River delivers powerful and consistent surf, with an average swell height of 3.7m and a solid 13.9s period, making it an ideal month for advanced surfers. The swell is predominantly from the SW (13.6% of waves over 2m) and WSW (5.8% over 2m), ensuring clean, well-defined lines. Cross-shore and offshore winds are limited, with only 16% of conditions being optimal—typically lighter winds from the E-ENE quadrant. However, strong onshore WSW-W winds (20-50+ kph) are frequent, which can create choppy conditions. Smaller windows of cleaner surf occur when winds swing easterly, but expect larger, powerful waves with occasional unruly wind-affected sections. A winter wetsuit (4/3mm+) is essential. Swell consistency is high, but wind reliability is low, so patience and timing are key for scoring the best sessions.
Average Spot conditions at Margaret River in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Margaret River during July. 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 Margaret River for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Margaret River for July. 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 Margaret River.