Conditions at Nalvo in December
December: Peak Clean Season
December is the crown jewel of Nalvo's surf year. The northeast monsoon is at full strength, giving ideal offshore-to-cross-offshore wind 59 percent of the time - the best of any month. Average wave height peaks at about 4ft (1.2m), average period reaches 8.0s, and roughly a quarter of the energy comes in over 5ft (1.5m). The signature is mostly NNE (56.1%) and N (29.3%), with NNW (9.0%) as the preferred angle for this west-facing beach. True W/WNW swell is rare, but the offshore flow grooms the swell into clean, powerful, rippable waves. Dry-season weather is dialed: only 2.47mm/day of rain, water temp 26.5°C and air temp 24.0°C. December gives you the most repeatable quality surf of the year.
Average Spot conditions at Nalvo in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Nalvo 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 Nalvo for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Nalvo 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 Nalvo.