Conditions at Zarautz in March
March: Big Swells and Shifting Winds
March remains firmly in the best-surf bracket, though the engine room is beginning to quiet slightly. Average swell height drops to 6ft (1.8m) and period to 12.1s, still long-period and powerful. The directional distribution becomes even more NW-heavy: 37.5% from the NW, 26.5% from the WNW and 10.7% from the NNW. That is a massive amount of optimally oriented swell, and a big portion sits in the 3-8ft (1-2.5m) sweet spot that makes Zarautz such an impressive, rippable wave.
The wind is a bit more mixed in March. Ideal S/SSW offshores drop to a combined 17.3% of observations, while onshore N/NW winds become more frequent, bringing the ideal-window percentage down to 36%. Nevertheless, when a continental high extends over Spain, the offshore flow can still deliver clean, groomed conditions. Air temps rise slowly to 10.7°C and the water holds at 12.8°C, so a good hood and gloves are still essential for chasing the more inconsistent but still excellent late-winter swells.
Average Spot conditions at Zarautz in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Zarautz 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 Zarautz for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Zarautz 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 Zarautz.