Conditions at Prainha in March
March: Prime-Time Groundswell
March is still prime time, but the dial is starting to shift. Average swell height is 8ft (2.5m) with a period of 12.4s, and ideal winds are available 32 percent of the month. The prevailing directions are NW (21.2 percent), WNW (16.3 percent) and NNW (13.5 percent), with most heights in the 5-6ft to 8ft range (1.5-2.5m). At Prainha, the solid WNW swells line up beautifully across the exposed west-facing break, with occasional overhead-plus bombs as the last winter lows push through.
Air temperatures creep up to 13.5°C, water stays at 14.4°C, and precipitation is moderate at 1.92mm/day. Lighter mornings and longer daylight make March a reliable month for wrapping winter groundswell in slightly softer air temperatures.
Average Spot conditions at Prainha in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Prainha 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 Prainha for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Prainha 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 Prainha.