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Witches Rock • Statistics for September

Conditions at Witches Rock in September

September: The Peak of the SW Window

September is, on paper, the peak month for optimal swell at Witches Rock. A stunning 83.9% of the recorded swell arrives from the SSW (33.2%), SW (42.3%) and WSW (8.2%) directions, meaning the beach is being hit by almost nothing but favorable groundswell. The average period is 12.9s and the heights remain in the classic 1-1.5m (3-5ft) fun zone, with an average of 1.2m (4ft). The wind field is a bit more mixed than midsummer, with NE and ENE totals dropping to 31.5% combined, but the ideal wind rating still reaches 56%. The tropical rainy season is in full swing with 8.68mm/day, but showers are often short and localized. With water temperature at 29.2°C, September delivers some of the most directionally pure, user-friendly surf of the year at Witches Rock.

Average Spot conditions at Witches Rock in September

Swell history for September

0 - 2
2 - 3
3 - 5
5 - 6
6 - 8
> 8 ft

Wind history for September

0 - 6.2
6.3 - 12.4
12.4 - 18.6
18.6 - 24.9
24.9 - 31.1
> 31.1 mph

Swell quality

Analyze the groundswell consistency at Witches Rock 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 Witches Rock for your next trip in September.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Witches Rock 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 Witches Rock.

Swell with good wind

Swell with good wind by size

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