Surf forecastStatisticsHistorical report

Winkipop seasonal overview

Best Surf Season (April - September)

The heart of the action at Winkipop unfolds from April through September. As the Southern Hemisphere transitions into autumn and winter, the Roaring Forties kick into gear, firing consistent, long-period SW groundswells directly into the Bells Beach embayment. With the average swell holding steady around 1.3m and periods stretching to 12-13 seconds, Winkipop delivers fun, rippable to pumping waves. Crucially, this period sees the highest frequency of offshore NW-NNW-W winds, often associated with slow-moving high-pressure systems over the Great Australian Bight. The wind blows offshore over 45-55% of the time, grooming the long, right-hand walls into perfection. It's prime time for Winkipop's famous long rides.

Fair Surf Season (October & March)

October and March serve as the transitional gateways. In March, the tail end of summer fades and autumn patterns begin, with ideal wind percentages around 32%. Swell sizes remain solid, and the period stays up around 12s, but the wind consistency falters. October sees a similar pattern as spring delivers strengthening NW winds (39% ideal), but also more frequent frontal passages that can shift winds onshore. You'll find plenty of clean, solid days but also more variability. When the synoptic setup aligns – a high sitting south of the Bight – Winkipop can fire just as well as in the peak winter months.

Low Surf Season (November - February)

From November through February, Winkipop experiences its summer doldrums. The primary swell window remains active with persistent SSW-SW groundswell, but the average wave height dips slightly to 1.2m, and periods shorten to 11-11.5s. More critically, the dominant wind regime switches to SE-SSE onshore breezes, driven by the southeasterly trade wind fetch and sea breezes. Ideal offshore wind percentages plummet to just 25-32%. While the Bells Bowl can still offer fun, groveling waves on the smaller days, the classic Winkipop walls are often blown out or undersized. Look for brief windows when a strong high moves north, backing winds to the NW for a few hours – those are the moments to pounce.

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Conditions at Winkipop in April

April: Autumn Gold

April is a standout month with ideal wind at 45% and an average period of 12.5s. Swell direction shifts slightly to favor SW (44.9%) over SSW (33.2%), bringing more direct west-of-south energy. Wave heights are predominantly in the 1-1.5m and 1.5-2m range. The wind regime shows a significant increase in NW (7.1%) and WNW (9.9%) directions – classic offshore for Winkipop. With high pressure often settling south of the continent, mornings are glassy with light NW breezes, grooming the long-period groundswell into immaculate walls. This is prime time for long, rippable waves, second only to the winter peak.

Average Spot conditions at Winkipop in April

Swell history for April

0 - 0.5
0.5 - 1
1 - 1.5
1.5 - 2.0
2.0 - 2.5
> 2.5 m

Wind history for April

0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
> 50 km/h

Swell quality

Analyze the groundswell consistency at Winkipop during April. 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 Winkipop for your next trip in April.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Winkipop for April. 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 Winkipop.

Swell with good wind

Swell with good wind by size