Jan Juc - surf spot statistics

Jan Juc in Australia offers consistent surf conditions year-round, with ground swells dominating across all months, peaking from April to September at 90% or higher. The best months for surfers are typically from April to September, when ground swell reliability is highest (90–94%) and mean swell size ranges from 1.5m to 1.6m. During this period, wind conditions are relatively better compared to summer months, with good wind days occurring 28–32% of the time—still not ideal, but significantly improved over summer’s 15–20%. The winter months (June–August) provide the most consistent swell size and quality, though offshore winds remain somewhat inconsistent. Conversely, summer (December–February) sees slightly smaller swells (1.4m) and far worse wind conditions, with bad winds occurring over 80% of the time, making sessions heavily dependent on timing. Autumn (March–May) and spring (September–November) serve as transitional periods, with March and April showing early improvements in swell consistency while October and November begin to see a decline. For surfers prioritizing quality over frequency, late autumn to early spring (May–September) delivers the most dependable combination of swell size and cleaner conditions despite the persistent challenge of onshore winds.

June at Jan Juc offers a mix of surfable conditions, though consistency depends on swell and wind alignment. The average swell height is 1.5m with a solid 13.4s period, providing enough energy for quality rides, especially when combined with the dominant SW swell direction. This sector (SW) contributes the most to rideable waves, with 24.86% of swells in the 1-1.5m range and 16.13% in the 1.5-2m range—ideal for intermediate to advanced surfers. However, the wind is only favorable 31% of the time, often blowing from the N/NW, which can create onshore chop and reduce wave quality. Cleaner sessions are more likely with lighter SSE to ESE winds, though they’re less frequent. Expect smaller, less consistent waves from southerly swells (S/SSE), while larger swells from SW/SSW tend to be more powerful but may struggle with wind interference. Overall, June delivers surfable days, particularly when SW swells coincide with lighter offshore or cross-offshore winds, but patience and timing are key due to variable wind conditions.