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Conditions at Makaha in December
December: Warm Season Lull
December settles into the warm-season pattern. It is one of the smallest-swell months of the year, along with January and February, with an average height of 4ft (1.2m) and a period of 12.8s. The swell direction is still excellent for Makaha - 86.8 percent SSW and 12.7 percent SW - but the height distribution shifts down, with 76 percent in the 3-5ft (1-1.5m) range and only 8.7 percent reaching 5-6ft (1.5-2m). Onshore winds weaken slightly: 73.4 percent from due S and 16.6 percent from SSW, and 20-30kph gusts are less common than in winter. The water warms up to 18.6°C and air temperatures reach 18.5°C, with rain still scarce at 0.09mm per day. While the wave size is smaller, December's warmer air and lighter surface texture can make it a surprisingly fun time to be out at Makaha, especially on a set of long 12.8s-period swells.
Average Spot conditions at Makaha in December
Swell history for December
Wind history for December
Swell quality
Analyze the groundswell consistency at Makaha 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 Makaha for your next trip in December.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Makaha 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 Makaha.