Conditions at Ribeira das Janelas in March
March: Spring Swell with a Winter Pulse
March is essentially winter-lite. The average swell height has eased to 7-8ft (2.3-2.4m), but the period is still a solid 12.1s. The NNW and NW quadrants remain the biggest producers, while the N and NNE fetch continues to contribute good, direct swell energy for this NE-facing beach. Wind is still the main variable: NE and NNE winds blow frequently, and ideal S/SSW/SW/WSW winds only show up 16% of the time. The saving grace is that atmospheric instability in March often brings alternating low pressure systems and cold fronts, creating brief windows of offshore southerlies before the wind swings back to the north. Water temperature drops to its annual minimum of around 17.8°C and air temperatures hover near 16.7°C, so winter rubber is still your friend. Precipitation is moderate at 1.17 mm/day.
Average Spot conditions at Ribeira das Janelas in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Ribeira das Janelas 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 Ribeira das Janelas for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Ribeira das Janelas 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 Ribeira das Janelas.