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Conditions at Jeffreys Bay in January
January: Peak Summer, Windy Margins
The new year at Jeffreys Bay brings a mean swell of 8ft (2.4m) with a 10.9s period, and the wind is ideal only 34 percent of the time. The swell rose is dominated by SSW (19.7%) and SW (18.9%) energy, with smaller contributions from S and SSE. The direct E/ESE window that this east-facing setup prefers makes up only about 7 percent of the total, so most of the size is arriving as long-period southern hemisphere groundswell that needs to wrap and refract toward Supertubes. Wind-wise, the 10-20kph E/ENE flow is ever-present - E (14.8%), ESE (10.9%), and ENE (9.4%) are all prominent onshore directions, creating bumpy surface conditions. When the early-morning SW/WSW offshore kicks in, the swell can still offer clean, rippable walls. Water temperature sits at 19.4°C, air temperatures average 21.5°C, and daily precipitation is a light 1.49mm.
Average Spot conditions at Jeffreys Bay in January
Swell history for January
Wind history for January
Swell quality
Analyze the groundswell consistency at Jeffreys Bay during January. 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 Jeffreys Bay for your next trip in January.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Jeffreys Bay for January. 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 Jeffreys Bay.