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Conditions at Manangat in December
December: Winter Swell Peak
December closes the year with the biggest average swell height of the calendar. The average wave sits at around 4ft (1.2m), with the longest average period of the year at 8.0s. The NNE lobe is massive at 56.1 percent, N adds 29.3 percent and NNW adds 9.0 percent, making this a true north-northeast winter swell month.
Wind stays offshore and strong. NE accounts for 28.0 percent, NNE for 27.1 percent, and ENE for 12.8 percent, giving Manangat ideal wind about 36 percent of the time. Rain is low at 2.47mm per day, air temperature averages 24.0°C, and water temperature drops to 26.5°C, so it is starting to feel refreshing.
For pure size and period, December is the standout month. If the north-northeast direction lines up with the reef or sandbar, expect solid, powerful waves in the 3-6ft (1-1.8m) range with some 6-8ft (2-2.5m) bombs. The NE wind will keep the face smooth, making this one of the most reliable windows for quality surf at Manangat, despite the less-than-ideal swell angle.
Average Spot conditions at Manangat in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Manangat 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 Manangat for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Manangat 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 Manangat.