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Conditions at Cox Bay in March
March: Big Swells, Mixed Wind Signals
March is still firmly in the best-surf window, with an average swell height of 7ft (2.2m) and a 12.0s period. The swell composition is almost perfectly split between W (24.0%) and WSW (23.0%), with SW adding 12.9% and WNW another 3.0%. That means the west-facing beach is consistently exposed to strong, rideable energy. The main difference from midwinter is wind. WNW becomes the single highest wind direction at 14.3%, while ESE (11.4%), SE (11.2%) and E (9.0%) still provide meaningful offshore/cross-offshore windows. The ideal wind percentage drops a bit to 34%, so the cleanest conditions trend toward early mornings before the spring seabreeze adds texture. Water temperature rises a touch to 8.4°C (47°F), air temps average 6.0°C (43°F), and precipitation is around 7mm/day. March offers near-winter size with the first real taste of spring transitions - a great month for solid waves and occasional glassy offshore sessions.
Average Spot conditions at Cox Bay in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Cox Bay during March. 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 March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cox Bay for March. 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.