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Conditions at Guarda do Embau in December
December: Summer Slop Returns
December closes the year the way January opened it: small, short-period and wind-affected. Average swell drops to 4ft (1.2m), period falls to 8.1s, and the wave rose stacks up in the ENE (20.7%), E (25.1%) and ESE (21.3%) sectors. SE (14.7%) and SSE (10.4%) remain, but S is down to 4.0%. It is essentially the late spring and early summer trade-wind regime.
Ideal wind only shows up 15% of the time. NNE (22.6%) and NE (14.1%) are the primary winds, with N (11.1%) and SSW (9.3%) also in the mix. Water temperature climbs to 24.0°C, air averages 22.6°C, and precipitation is 5.14 mm/day. Surfing is still possible, especially on lower tides and with a rare W/NW breeze, but expect 2-4ft (0.6-1.2m) grovelers rather than the power of winter.
Average Spot conditions at Guarda do Embau in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Guarda do Embau during December. 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 December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Guarda do Embau for December. 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.