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Black Rock • Statistics for November

Conditions at Black Rock in November

November: Summer Winds With Winter's Memory Fading

November locks in the late-spring regime. The average wave period falls to 8.2s, average swell height is around 5ft (1.6m), and the SSW-W swell quadrants fade to roughly 2.3 percent of the total. In their place, NE swell (14.8 percent), ENE (14.2 percent), E (11.7 percent) and SSE (16.4 percent) dominate the window. The wind pattern is increasingly friendly: NNE and NE combine for nearly 30 percent of the wind rose, pushing the ideal-wind score to 30 percent. This creates clean, glassy mornings and a very pleasant atmosphere, but the waves are shorter-period and less suited to Black Rock's southwest-facing orientation. Water temperatures climb to 19.4°C and air averages 18.7°C. Longboards and summer grovelers will get plenty of waves; those chasing winter power will be looking elsewhere.

Average Spot conditions at Black Rock in November

Swell history for November

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

Wind history for November

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 Black Rock during November. 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 Black Rock for your next trip in November.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Black Rock for November. 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 Black Rock.

Swell with good wind

Swell with good wind by size

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