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Conditions at Guarda do Embau in April
April: Groundswell Season Ignites
April marks the true start of Guarda do Embau's prime window. Average swell height climbs to 4.3ft (1.3m), period reaches 9.0s, and the S/SE component becomes serious: SE 20.2%, SSE 15.9%, S 9.4%, with substantial amounts of 1.5-2m surf from SE (4.3%), SSE (3.3%) and S (4.2%). This is no longer just local windswell - these are mid-latitude South Atlantic groundswells.
Wind quality improves as well. Ideal offshore flow sits at 26%. NNE still appears 17.8% of the time, but SSW/SW flow (13.2% and 6.3%) and NNW winds (11.3%) open up more windows of groomed conditions. Water cools to 23.4°C, air drops to 20.9°C and rain falls to 3.31 mm/day. Look for clean 4-6ft (1.2-1.8m) days on the east-facing banks, with the occasional 6ft (1.8m) S pulse.
Average Spot conditions at Guarda do Embau in April
Swell history for April
Wind history for April
Swell quality
Analyze the groundswell consistency at Guarda do Embau during April. 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 Guarda do Embau for your next trip in April.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Guarda do Embau for April. 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 Guarda do Embau.