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Conditions at Caswell Beach in March
March: Spring-Forward Transition and Long-Period Relics
March begins the slow transition toward spring, but the ocean is still storing plenty of winter energy. The average wave height drops to 4ft (1.2m) while the average period remains at a respectable 10.0s, so the swell that does arrive tends to be clean and long lined. Directionally it is still a WSW/W show at roughly 65%, with only about 11% from the better SSE-S-SW sector, which explains why Caswell can be inconsistent even when the Atlantic looks active. Offshore winds blow 15% of the time, and with air temperatures warming to 6.8°C and water still cold at 8.2°C, it is a month of improving conditions but still serious winter rubber. Keep an eye on late-season lows: they can throw a final punch of 3-5ft groundswell.
Average Spot conditions at Caswell Beach in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Caswell Beach 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 Caswell Beach for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Caswell Beach 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 Caswell Beach.