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Conditions at Grumari in March
March: Fall Transition Begins
March is the first month where the surf starts building in earnest. Average wave height ticks up to 3ft (1.0m), and period climbs to 10.4s, enough for the swell to start taking on a more organized, powerful personality. SSE (36.4%) and S (30.2%) dominate, with SE (24.9%) close behind, and the 3-5ft (1-1.5m) range now accounts for a large share of the waves. The S direction also throws in 5.2% in the 5-6.5ft (1.5-2m) range, so a few bigger, lined-up waves are on the table. The wind remains influenced by the NE-ENE trades, but light W/SW flow begins to appear more often and ideal wind sits at 43%. Rain is still active at 6.12 mm/day, air temperatures are warm at 25.3°C, and the water temperature is the warmest it will be all autumn at 23.3°C.
Average Spot conditions at Grumari in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Grumari 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 Grumari for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Grumari 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 Grumari.