Flagge von Costa Rica

Playa Negra • Statistics for December

Conditions at Playa Negra in December

December: Dry Season Arrives with Peak Offshore Flow

December locks in the dry-season trade wind regime and delivers the most offshore wind by year's end. NE winds account for 50.7% of observations and ENE adds another 29.2%, giving an 89.2% combined offshore wind score. Ideal surfing wind is 75%, the joint highest of the year. The swell is a bit more mixed than spring months: SSW is 31.1%, SW 18.7%, WSW 6.6% and W 4.6%, with a significant NW/NNW component filling in the rest. Average wave height is still a solid 4-5ft (1.3m) and the period is 11.7s, so there is plenty of powerful, rideable swell. The north-northwest energy can create some cross-up lines, but when the SW component dominates, Playa Negra is world-class. Rain is minimal at 0.70mm/day, air temp is 27.1°C, and water temp is 27.8°C.

Average Spot conditions at Playa Negra in December

Swell history for December

0 - 2
2 - 3
3 - 5
5 - 6
6 - 8
> 8 ft

Wind history for December

0 - 6.2
6.3 - 12.4
12.4 - 18.6
18.6 - 24.9
24.9 - 31.1
> 31.1 mph

Swell quality

Analyze the groundswell consistency at Playa Negra 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 Playa Negra for your next trip in December.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Playa Negra 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 Playa Negra.

Swell with good wind

Swell with good wind by size

Choose month for details