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Conditions at Supertubes in March
March: Autumn's First Long-Period Pulse
March is where the season starts to turn. The average wave period jumps to 12.5s and the average height holds at around 6ft (1.9m). Swell direction is still strongly weighted to SSW (27.3 percent) and SW (38.4 percent), but WSW picks up to 5.8 percent and W appears at 1.5 percent. The longer period is the key; even at the same height, those 12.5s waves will wrap into the reef with noticeably more power.
Offshore flow also improves, with ideal wind conditions 22 percent of the time. The wind rose is more balanced than January and February: SSE (18.8 percent) and SE (15.2 percent) still lead, but S drops to 14 percent and SSW to 9.9 percent, giving more windows for clean offshore conditions. Air temperature averages 20.5°C (14.2-30.5°C), water temperature peaks at 21.4°C, and rain begins to creep up at 0.70 mm/day. It is a transition month and a very good one.
Average Spot conditions at Supertubes in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Supertubes 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 Supertubes for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Supertubes 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 Supertubes.