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San Blas • Statistics for March

Conditions at San Blas in March

March: The Pacific Shifts Gears

March is a fascinating bridge month. The average wave height edges up to 3.5ft (1.1m) and the period stretches to 13.4s - enough to feel proper long-period power. The SSW direction now dominates completely, with 66.5% of all swell from SSW, and a remarkable 46.7% in the 3-5ft (1-1.5m) range, plus 3.4% at 5-6.5ft (1.5-2m). S and SW add another 28.8%, so an incredible 96.1% of the energy is aimed right at San Blas.

The catch is wind. Ideal surf wind drops to 47%, the lowest since winter, as the sea breeze strengthens; S/SSW/SW/WSW onshore flow is now 30.2% of the wind distribution. The morning offshore from NNE is still decent at 16.0%, but it tends to die by midday. Rain stays light at 0.21mm/day, air temps average 27.7°C, and the water has warmed to 28.6°C. Get your best waves in the early session, when the long-period SSW lines are still glassy and before the afternoon onshore bumps up.

Average Spot conditions at San Blas in March

Swell history for March

0 - 2
2 - 3
3 - 5
5 - 6
6 - 8
> 8 ft

Wind history for March

0 - 6.2
6.3 - 12.4
12.4 - 18.6
18.6 - 24.9
24.9 - 31.1
> 31.1 mph

Swell quality

Analyze the groundswell consistency at San Blas 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 San Blas for your next trip in March.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at San Blas 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 San Blas.

Swell with good wind

Swell with good wind by size

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