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Conditions at Cox Bay in January
January: Midwinter Swell Machine
January is the peak of the midwinter swell machine at Cox Bay. The average swell height sits at 8-9ft (2.6m) with a 12.5s period, which in the long-period scale is powerful, heavy and capable of lighting up the whole beach. Swell data show WSW (17.8%) and W (16.8%) as the dominant sources, with SW adding 10.6%; SSW rounds out the window at 5.0%. This perfectly matches the west-facing exposure, allowing the beach to see the full force of North Pacific storms. The wind distribution is also favourable: E (18.1%) and ESE (15.3%) lead, supported by ENE (9.8%) and NE (3.4%), giving strong offshore, glassy flow - ideal conditions about 40% of the time. WNW winds (9.4%) remain the main spoiler, bringing streaks of onshore chop between systems. With water temperatures at 7.5°C (45°F), air temperatures around 5°C (41°F) and heavy winter precipitation averaging just over 10mm per day, January is cold, raw, and occasionally XL. Be prepared for serious, heavy surf and some of the best waves of the year.
Average Spot conditions at Cox Bay in January
Swell history for January
Wind history for January
Swell quality
Analyze the groundswell consistency at Cox 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 Cox Bay for your next trip in January.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cox 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 Cox Bay.