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Conditions at Long Beach in March
March: Winter Power Meets Spring Variability
March is the beginning of the transition, but Long Beach still sees excellent winter-level surf. The average swell height relaxes slightly to 7.2ft (2.2m), with periods holding strong at 12.0s. Swell direction is dominated by WSW (23.0%) and W (24.0%), followed by SW (12.9%) and WNW (3.0%); combined, the optimal W-SW quadrant accounts for nearly 63% of recorded wave energy. The biggest issue is the wind: offshore flow from NE through ESE drops to about 30% of the wind rose, while WNW winds become more common (14.3%) as the spring pressure gradient shifts. Ideal conditions still show up 34% of the time, but the mix of long-period groundswell and periodic westerly onshore flow demands patience. Water temp creeps up to 8.4°C, air temps average 6.0°C and precipitation eases to 6.92mm per day. When a post-frontal easterly blows over a WNW groundswell, the sandbars at Long Beach can be stellar - but expect more variability as spring takes hold.
Average Spot conditions at Long Beach in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Long Beach 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 Long Beach for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Long Beach 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 Long Beach.