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Conditions at Guarda do Embau in March
March: The First Subtle Autumn Shift
March is a transitional month. Average swell height is still 4ft (1.2m), but period ticks up to 8.6s and the swell rose shows a clear shift: ESE becomes the top direction at 28.6%, followed by E (22.6%), SE (21.0%) and SSE (12.9%). The S/SSE sector, so quiet in summer, starts producing more 1.5-2m sets, especially out of SE at 4.1% and SSE at 3.2%.
Wind is still a mixed bag. NNE leads at 18.9%, SSW and S combine for over 20%, and ideal offshore flow reaches 22%. With air at 22.8°C, water at 25.2°C and rain easing to 4.65 mm/day, the first genuine groundswell windows appear. It is inconsistent, but days with NW offshore flow can deliver clean, fun 4-6ft (1.2-1.8m) surf.
Average Spot conditions at Guarda do Embau in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Guarda do Embau 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 Guarda do Embau for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Guarda do Embau 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 Guarda do Embau.