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Sennen Cove • Statistics for November

Conditions at Sennen Cove in November

November: Winter Swell Machine

November is deep winter in all but name, and Sennen sees average swell heights of 7ft (2.1m) with a 10.5s period. The W/WSW/SW swells continue to dominate - W 18.3%, WSW 12.7%, WNW 10.6% - but there's also an increasing chance of NW and NNW swell, which aligns beautifully with the beach's northwest exposure. The trade-off is wind; ideal offshore conditions drop to 9% of the time as frequent low pressure systems drag westerly and northwesterly gales across Cornwall. When a high-pressure ridge builds between fronts, though, the combo of long-period W/NW swell and offshore S/SW winds is electric. Water temps fall to 13.1°C, air to 11.7°C, and precipitation rises to 3.87 mm/day - expect changeable, stormy autumn days and some absolute all-time sessions.

Average Spot conditions at Sennen Cove 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 Sennen Cove 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 Sennen Cove for your next trip in November.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Sennen Cove 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 Sennen Cove.

Swell with good wind

Swell with good wind by size

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