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Conditions at Rhossili Bay in March
March: Transitional Size, Cleaner Winds
March is a transition month, but the ocean has not given up on winter yet. Average swell height drops to 1.2m (3.9ft) and the period holds at a respectable 10.0s, meaning the Atlantic storm track is still close enough to deliver long-period groundswell. WSW directs 41.6% of the swell energy into the bay, though a larger share sits in the 0.5-1.5m (1.6-4.9ft) window compared to January. The bright spot is the wind: ideal offshore conditions peak at 11%, and the N through ENE quadrant makes a strong showing across the wind rose. Air temperatures creep up to 7.4°C and the water stays cold at 8.2°C, but lighter winds and clean W/SW groundswell make March one of the best value months of the year for everyday surfers.
Average Spot conditions at Rhossili Bay in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Rhossili Bay 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 Rhossili Bay for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Rhossili Bay 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 Rhossili Bay.