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Conditions at Sebastian Inlet in March
March: Last Gasp of Cool-Season Swell
March is still good, but the transition to warmer weather begins. Swell averages 3ft (0.9m) with a period of 8.6s, and the wave rose remains loaded between E (23.8%), ENE (20.7%) and NE (15.6%). The ENE direction actually shows the most punch, with 1.6% of observations in the 5-6.5ft (1.5-2m) class and 5.1% in the fun 3-5ft (1-1.5m) range. The problem is that favorable wind drops to 29%, and onshore E/ESE/SE flow starts to take over (E 9.1%, ESE 8.5%, SE 8.6%, ENE 8.0%). Still, early spring cold fronts can swing winds into the W/NW quadrant, producing morning glass and peaky waves before the seabreeze ruins it.
Air temp climbs to 20.3°C, water warms to 22.4°C, and rain ticks up to 2.57 mm/day. You want to pick your days around frontal passages, when winter and spring fight for control.
Average Spot conditions at Sebastian Inlet in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Sebastian Inlet 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 Sebastian Inlet for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sebastian Inlet 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 Sebastian Inlet.